./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd49bfb-9abc-4450-8c63-03ad54057fe7/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd49bfb-9abc-4450-8c63-03ad54057fe7/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_ddd49bfb-9abc-4450-8c63-03ad54057fe7/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd49bfb-9abc-4450-8c63-03ad54057fe7/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd49bfb-9abc-4450-8c63-03ad54057fe7/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_ddd49bfb-9abc-4450-8c63-03ad54057fe7/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 a50782c14122c4e96fba85550d8baa150b55d4da62dbebbee116fe7764246c85 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:34:07,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:34:07,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:34:07,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:34:07,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:34:07,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:34:07,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:34:07,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:34:07,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:34:07,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:34:07,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:34:07,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:34:07,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:34:07,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:34:07,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:34:07,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:34:07,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:34:07,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:34:07,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:34:07,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:34:07,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:34:07,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:34:07,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:34:07,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:34:07,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:34:07,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:34:07,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:34:07,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:34:07,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:34:07,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:34:07,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:34:07,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:34:07,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:34:07,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:34:07,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:34:07,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:34:07,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:34:07,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:34:07,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:34:07,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:34:07,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:34:07,749 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd49bfb-9abc-4450-8c63-03ad54057fe7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:34:07,794 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:34:07,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:34:07,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:34:07,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:34:07,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:34:07,803 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:34:07,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:34:07,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:34:07,804 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:34:07,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:34:07,806 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:34:07,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:34:07,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:34:07,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:34:07,807 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:34:07,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:34:07,807 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:34:07,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:34:07,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:34:07,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:34:07,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:34:07,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:34:07,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:34:07,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:34:07,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:34:07,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:34:07,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:34:07,810 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:34:07,810 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:34:07,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:34:07,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:34:07,812 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_ddd49bfb-9abc-4450-8c63-03ad54057fe7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd49bfb-9abc-4450-8c63-03ad54057fe7/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a50782c14122c4e96fba85550d8baa150b55d4da62dbebbee116fe7764246c85 [2021-11-20 06:34:08,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:34:08,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:34:08,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:34:08,160 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:34:08,162 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:34:08,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd49bfb-9abc-4450-8c63-03ad54057fe7/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2021-11-20 06:34:08,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd49bfb-9abc-4450-8c63-03ad54057fe7/bin/uautomizer-DQz5hQGWxF/data/7ba26437d/9e65662cdd934c73918befb398cd4aea/FLAGd90d788c3 [2021-11-20 06:34:09,224 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:34:09,225 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd49bfb-9abc-4450-8c63-03ad54057fe7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2021-11-20 06:34:09,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd49bfb-9abc-4450-8c63-03ad54057fe7/bin/uautomizer-DQz5hQGWxF/data/7ba26437d/9e65662cdd934c73918befb398cd4aea/FLAGd90d788c3 [2021-11-20 06:34:09,629 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd49bfb-9abc-4450-8c63-03ad54057fe7/bin/uautomizer-DQz5hQGWxF/data/7ba26437d/9e65662cdd934c73918befb398cd4aea [2021-11-20 06:34:09,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:34:09,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:34:09,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:34:09,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:34:09,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:34:09,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:34:09" (1/1) ... [2021-11-20 06:34:09,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146b5732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:09, skipping insertion in model container [2021-11-20 06:34:09,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:34:09" (1/1) ... [2021-11-20 06:34:09,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:34:09,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:34:11,422 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_ddd49bfb-9abc-4450-8c63-03ad54057fe7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i[198904,198917] [2021-11-20 06:34:13,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:34:13,223 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:34:13,399 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_ddd49bfb-9abc-4450-8c63-03ad54057fe7/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i[198904,198917] [2021-11-20 06:34:13,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:34:14,111 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:34:14,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:14 WrapperNode [2021-11-20 06:34:14,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:34:14,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:34:14,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:34:14,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:34:14,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:14" (1/1) ... [2021-11-20 06:34:14,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:14" (1/1) ... [2021-11-20 06:34:14,671 INFO L137 Inliner]: procedures = 398, calls = 3556, calls flagged for inlining = 231, calls inlined = 208, statements flattened = 8350 [2021-11-20 06:34:14,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:34:14,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:34:14,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:34:14,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:34:14,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:14" (1/1) ... [2021-11-20 06:34:14,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:14" (1/1) ... [2021-11-20 06:34:14,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:14" (1/1) ... [2021-11-20 06:34:14,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:14" (1/1) ... [2021-11-20 06:34:14,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:14" (1/1) ... [2021-11-20 06:34:14,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:14" (1/1) ... [2021-11-20 06:34:14,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:14" (1/1) ... [2021-11-20 06:34:15,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:34:15,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:34:15,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:34:15,014 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:34:15,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:14" (1/1) ... [2021-11-20 06:34:15,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:34:15,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd49bfb-9abc-4450-8c63-03ad54057fe7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:34:15,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd49bfb-9abc-4450-8c63-03ad54057fe7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:34:15,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddd49bfb-9abc-4450-8c63-03ad54057fe7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:34:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-20 06:34:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-20 06:34:15,169 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-20 06:34:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-20 06:34:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-20 06:34:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-20 06:34:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-20 06:34:15,170 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-20 06:34:15,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:34:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:34:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-20 06:34:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-20 06:34:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-20 06:34:15,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-20 06:34:15,171 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 06:34:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 06:34:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 06:34:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 06:34:15,172 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-11-20 06:34:15,172 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-11-20 06:34:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_sched_rings_clean [2021-11-20 06:34:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_sched_rings_clean [2021-11-20 06:34:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_check_link [2021-11-20 06:34:15,173 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_check_link [2021-11-20 06:34:15,173 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-11-20 06:34:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-11-20 06:34:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-20 06:34:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-20 06:34:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 06:34:15,174 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 06:34:15,174 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2021-11-20 06:34:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2021-11-20 06:34:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_init_hw [2021-11-20 06:34:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_init_hw [2021-11-20 06:34:15,175 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 06:34:15,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 06:34:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 06:34:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 06:34:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-20 06:34:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-20 06:34:15,176 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-20 06:34:15,176 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-20 06:34:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 06:34:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 06:34:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-20 06:34:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_irq_disable [2021-11-20 06:34:15,177 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_irq_disable [2021-11-20 06:34:15,177 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 06:34:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 06:34:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_up [2021-11-20 06:34:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_up [2021-11-20 06:34:15,178 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-20 06:34:15,178 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-20 06:34:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:34:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-20 06:34:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-20 06:34:15,179 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 06:34:15,179 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 06:34:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 06:34:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 06:34:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_write_phy_reg [2021-11-20 06:34:15,180 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_write_phy_reg [2021-11-20 06:34:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:34:15,180 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 06:34:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 06:34:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 06:34:15,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 06:34:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:34:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:34:15,181 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 06:34:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 06:34:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-20 06:34:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-20 06:34:15,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:34:15,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:34:15,183 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_resume [2021-11-20 06:34:15,183 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_resume [2021-11-20 06:34:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-20 06:34:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-20 06:34:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_imr_set [2021-11-20 06:34:15,184 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_imr_set [2021-11-20 06:34:15,184 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_remove [2021-11-20 06:34:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_remove [2021-11-20 06:34:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 06:34:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 06:34:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset [2021-11-20 06:34:15,185 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset [2021-11-20 06:34:15,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:34:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:34:15,186 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-20 06:34:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-20 06:34:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 06:34:15,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 06:34:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:34:15,187 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_free_ring_resources [2021-11-20 06:34:15,188 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_free_ring_resources [2021-11-20 06:34:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-11-20 06:34:15,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-11-20 06:34:15,189 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_get_speed_and_duplex [2021-11-20 06:34:15,189 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_get_speed_and_duplex [2021-11-20 06:34:15,190 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 06:34:15,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 06:34:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 06:34:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 06:34:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_down [2021-11-20 06:34:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_down [2021-11-20 06:34:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure __atlx_vlan_mode [2021-11-20 06:34:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __atlx_vlan_mode [2021-11-20 06:34:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-20 06:34:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-20 06:34:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 06:34:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 06:34:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:34:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:34:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-20 06:34:15,193 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-20 06:34:15,193 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-20 06:34:15,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-20 06:34:15,195 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 06:34:15,197 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 06:34:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:34:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:34:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:34:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:34:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-20 06:34:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-20 06:34:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 06:34:15,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 06:34:15,208 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_ioctl [2021-11-20 06:34:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_ioctl [2021-11-20 06:34:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_change_mtu [2021-11-20 06:34:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_change_mtu [2021-11-20 06:34:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_tx_timeout [2021-11-20 06:34:15,209 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_tx_timeout [2021-11-20 06:34:15,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 06:34:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 06:34:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-20 06:34:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-20 06:34:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_poll_controller [2021-11-20 06:34:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_poll_controller [2021-11-20 06:34:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-20 06:34:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-20 06:34:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:34:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:34:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 06:34:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 06:34:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-20 06:34:15,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-20 06:34:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2021-11-20 06:34:15,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2021-11-20 06:34:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:34:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 06:34:15,212 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 06:34:15,212 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_reset_hw [2021-11-20 06:34:15,213 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_reset_hw [2021-11-20 06:34:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 06:34:15,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 06:34:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:34:15,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-20 06:34:15,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-20 06:34:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:34:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_multi [2021-11-20 06:34:15,214 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_multi [2021-11-20 06:34:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_fix_features [2021-11-20 06:34:15,214 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_fix_features [2021-11-20 06:34:15,214 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-20 06:34:15,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-20 06:34:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 06:34:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 06:34:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 06:34:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 06:34:15,215 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 06:34:15,215 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 06:34:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 06:34:15,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 06:34:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_vlan_mode [2021-11-20 06:34:15,216 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_vlan_mode [2021-11-20 06:34:15,216 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac_addr [2021-11-20 06:34:15,216 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac_addr [2021-11-20 06:34:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 06:34:15,217 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 06:34:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-20 06:34:15,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-20 06:34:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-20 06:34:15,217 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-20 06:34:15,217 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 06:34:15,218 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 06:34:15,218 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2021-11-20 06:34:15,218 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2021-11-20 06:34:15,218 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_rx_ring [2021-11-20 06:34:15,218 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_rx_ring [2021-11-20 06:34:15,218 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-20 06:34:15,219 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-20 06:34:15,219 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:34:15,219 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:34:15,219 INFO L130 BoogieDeclarations]: Found specification of procedure atlx_set_features [2021-11-20 06:34:15,219 INFO L138 BoogieDeclarations]: Found implementation of procedure atlx_set_features [2021-11-20 06:34:15,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:34:15,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:34:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:34:15,220 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 06:34:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 06:34:15,220 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-20 06:34:15,220 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-20 06:34:15,220 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_set_mac [2021-11-20 06:34:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_set_mac [2021-11-20 06:34:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_suspend [2021-11-20 06:34:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_suspend [2021-11-20 06:34:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_clean_tx_ring [2021-11-20 06:34:15,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_clean_tx_ring [2021-11-20 06:34:15,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-20 06:34:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-20 06:34:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_phy_setup_autoneg_adv [2021-11-20 06:34:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_phy_setup_autoneg_adv [2021-11-20 06:34:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-20 06:34:15,222 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-20 06:34:15,222 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_intr [2021-11-20 06:34:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_intr [2021-11-20 06:34:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-20 06:34:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-20 06:34:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_read_phy_reg [2021-11-20 06:34:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_read_phy_reg [2021-11-20 06:34:15,223 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-20 06:34:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-20 06:34:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 06:34:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 06:34:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-20 06:34:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-20 06:34:15,224 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_setup_ring_resources [2021-11-20 06:34:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_setup_ring_resources [2021-11-20 06:34:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:34:15,225 INFO L130 BoogieDeclarations]: Found specification of procedure atl1_alloc_rx_buffers [2021-11-20 06:34:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1_alloc_rx_buffers [2021-11-20 06:34:16,274 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:34:16,278 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:34:16,419 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 06:45:26,977 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:45:27,012 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:45:27,012 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 06:45:27,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:27 BoogieIcfgContainer [2021-11-20 06:45:27,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:45:27,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:45:27,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:45:27,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:45:27,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:34:09" (1/3) ... [2021-11-20 06:45:27,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7d1991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:45:27, skipping insertion in model container [2021-11-20 06:45:27,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:34:14" (2/3) ... [2021-11-20 06:45:27,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7d1991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:45:27, skipping insertion in model container [2021-11-20 06:45:27,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:45:27" (3/3) ... [2021-11-20 06:45:27,032 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ethernet--atheros--atlx--atl1.ko-entry_point.cil.out.i [2021-11-20 06:45:27,044 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:45:27,044 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:45:27,128 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:45:27,145 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 06:45:27,153 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:45:27,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 2423 states, 1757 states have (on average 1.3619806488332384) internal successors, (2393), 1790 states have internal predecessors, (2393), 557 states have call successors, (557), 108 states have call predecessors, (557), 107 states have return successors, (548), 544 states have call predecessors, (548), 548 states have call successors, (548) [2021-11-20 06:45:27,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-20 06:45:27,261 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:45:27,262 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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] [2021-11-20 06:45:27,263 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:45:27,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:45:27,269 INFO L85 PathProgramCache]: Analyzing trace with hash 188031268, now seen corresponding path program 1 times [2021-11-20 06:45:27,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:45:27,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284117855] [2021-11-20 06:45:27,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:45:27,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:45:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:29,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:45:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:29,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:45:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:29,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:45:29,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:29,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:45:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:29,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:45:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:29,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 06:45:29,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:29,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 06:45:29,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-20 06:45:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:29,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:45:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:29,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:45:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:29,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:45:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:29,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:45:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:45:29,457 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-11-20 06:45:29,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:45:29,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284117855] [2021-11-20 06:45:29,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284117855] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:45:29,460 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:45:29,460 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 06:45:29,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323889950] [2021-11-20 06:45:29,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:45:29,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 06:45:29,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:45:29,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 06:45:29,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:45:29,509 INFO L87 Difference]: Start difference. First operand has 2423 states, 1757 states have (on average 1.3619806488332384) internal successors, (2393), 1790 states have internal predecessors, (2393), 557 states have call successors, (557), 108 states have call predecessors, (557), 107 states have return successors, (548), 544 states have call predecessors, (548), 548 states have call successors, (548) Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-11-20 06:45:31,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:45:34,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:45:36,401 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:45:40,950 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:45:42,988 WARN L515 Checker$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 06:45:46,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:45:48,445 WARN L515 Checker$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 06:45:50,349 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:45:53,977 WARN L515 Checker$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 06:45:56,008 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:45:59,195 WARN L515 Checker$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 06:46:01,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:46:03,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:46:05,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:46:19,361 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:46:21,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:46:23,430 WARN L515 Checker$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 06:46:25,473 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 06:46:31,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:46:31,987 INFO L93 Difference]: Finished difference Result 7698 states and 11364 transitions. [2021-11-20 06:46:31,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:46:31,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 92 [2021-11-20 06:46:31,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:46:32,067 INFO L225 Difference]: With dead ends: 7698 [2021-11-20 06:46:32,067 INFO L226 Difference]: Without dead ends: 5242 [2021-11-20 06:46:32,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:46:32,097 INFO L933 BasicCegarLoop]: 3808 mSDtfsCounter, 5382 mSDsluCounter, 6116 mSDsCounter, 0 mSdLazyCounter, 3947 mSolverCounterSat, 3064 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5774 SdHoareTripleChecker+Valid, 9924 SdHoareTripleChecker+Invalid, 7028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3064 IncrementalHoareTripleChecker+Valid, 3947 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:46:32,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5774 Valid, 9924 Invalid, 7028 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3064 Valid, 3947 Invalid, 17 Unknown, 0 Unchecked, 61.4s Time] [2021-11-20 06:46:32,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5242 states. [2021-11-20 06:46:32,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5242 to 4744. [2021-11-20 06:46:32,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4744 states, 3455 states have (on average 1.3539797395079596) internal successors, (4678), 3499 states have internal predecessors, (4678), 1076 states have call successors, (1076), 213 states have call predecessors, (1076), 212 states have return successors, (1075), 1067 states have call predecessors, (1075), 1075 states have call successors, (1075) [2021-11-20 06:46:32,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4744 states to 4744 states and 6829 transitions. [2021-11-20 06:46:32,558 INFO L78 Accepts]: Start accepts. Automaton has 4744 states and 6829 transitions. Word has length 92 [2021-11-20 06:46:32,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:46:32,561 INFO L470 AbstractCegarLoop]: Abstraction has 4744 states and 6829 transitions. [2021-11-20 06:46:32,561 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-11-20 06:46:32,562 INFO L276 IsEmpty]: Start isEmpty. Operand 4744 states and 6829 transitions. [2021-11-20 06:46:32,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-20 06:46:32,574 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:46:32,575 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 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] [2021-11-20 06:46:32,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:46:32,578 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:46:32,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:32,579 INFO L85 PathProgramCache]: Analyzing trace with hash -756609439, now seen corresponding path program 1 times [2021-11-20 06:46:32,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:32,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934059908] [2021-11-20 06:46:32,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:32,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:33,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:46:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:33,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:46:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:33,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:46:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:33,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:46:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:33,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-20 06:46:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:33,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-20 06:46:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:33,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 06:46:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:33,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-20 06:46:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:33,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-20 06:46:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:33,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-20 06:46:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:33,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-20 06:46:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:33,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-20 06:46:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:33,881 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-11-20 06:46:33,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:46:33,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934059908] [2021-11-20 06:46:33,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934059908] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:46:33,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:46:33,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:46:33,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352406729] [2021-11-20 06:46:33,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:46:33,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:46:33,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:46:33,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:46:33,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:46:33,887 INFO L87 Difference]: Start difference. First operand 4744 states and 6829 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-20 06:46:36,054 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 06:46:38,380 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:46:43,656 WARN L515 Checker$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 06:46:45,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:46:50,222 WARN L515 Checker$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 06:46:52,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:46:57,732 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:46:59,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:04,154 WARN L515 Checker$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 06:47:06,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:08,275 WARN L515 Checker$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 06:47:10,317 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:19,269 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:21,305 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:23,338 WARN L515 Checker$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 06:47:25,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:28,569 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:31,279 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:33,326 WARN L515 Checker$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 06:47:37,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:39,423 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:42,682 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:44,747 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:46,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:48,856 WARN L515 Checker$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 06:47:50,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:52,987 WARN L515 Checker$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 06:47:58,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:48:00,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []