./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:56:32,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:56:32,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:56:32,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:56:32,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:56:32,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:56:32,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:56:32,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:56:32,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:56:32,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:56:32,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:56:32,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:56:32,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:56:32,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:56:32,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:56:32,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:56:32,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:56:32,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:56:32,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:56:32,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:56:32,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:56:32,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:56:32,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:56:32,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:56:32,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:56:32,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:56:32,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:56:32,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:56:32,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:56:32,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:56:32,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:56:32,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:56:32,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:56:32,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:56:32,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:56:32,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:56:32,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:56:32,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:56:32,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:56:32,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:56:32,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:56:32,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:56:32,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:56:32,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:56:32,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:56:32,735 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:56:32,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:56:32,736 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:56:32,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:56:32,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:56:32,737 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:56:32,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:56:32,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:56:32,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:56:32,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:56:32,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:56:32,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:56:32,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:56:32,739 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:56:32,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:56:32,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:56:32,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:56:32,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:56:32,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:56:32,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:56:32,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:56:32,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:56:32,741 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:56:32,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:56:32,741 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:56:32,741 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:56:32,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:56:32,741 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:56:32,742 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b [2021-12-22 15:56:32,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:56:32,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:56:32,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:56:32,975 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:56:32,976 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:56:32,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-22 15:56:33,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f9eb4380/8df84ff561b44349bc278130462ae45f/FLAG31f4e1fe1 [2021-12-22 15:56:33,757 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:56:33,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-22 15:56:33,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f9eb4380/8df84ff561b44349bc278130462ae45f/FLAG31f4e1fe1 [2021-12-22 15:56:34,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f9eb4380/8df84ff561b44349bc278130462ae45f [2021-12-22 15:56:34,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:56:34,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:56:34,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:56:34,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:56:34,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:56:34,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:56:34" (1/1) ... [2021-12-22 15:56:34,055 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14287b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:56:34, skipping insertion in model container [2021-12-22 15:56:34,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:56:34" (1/1) ... [2021-12-22 15:56:34,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:56:34,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:56:36,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486836,486849] [2021-12-22 15:56:36,844 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486983,486996] [2021-12-22 15:56:36,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487122,487135] [2021-12-22 15:56:36,845 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487280,487293] [2021-12-22 15:56:36,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:56:36,959 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:56:37,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486836,486849] [2021-12-22 15:56:37,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[486983,486996] [2021-12-22 15:56:37,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487122,487135] [2021-12-22 15:56:37,307 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[487280,487293] [2021-12-22 15:56:37,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:56:37,538 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:56:37,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:56:37 WrapperNode [2021-12-22 15:56:37,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:56:37,540 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:56:37,540 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:56:37,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:56:37,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:56:37" (1/1) ... [2021-12-22 15:56:37,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:56:37" (1/1) ... [2021-12-22 15:56:37,867 INFO L137 Inliner]: procedures = 480, calls = 6076, calls flagged for inlining = 277, calls inlined = 258, statements flattened = 11928 [2021-12-22 15:56:37,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:56:37,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:56:37,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:56:37,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:56:37,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:56:37" (1/1) ... [2021-12-22 15:56:37,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:56:37" (1/1) ... [2021-12-22 15:56:37,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:56:37" (1/1) ... [2021-12-22 15:56:37,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:56:37" (1/1) ... [2021-12-22 15:56:38,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:56:37" (1/1) ... [2021-12-22 15:56:38,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:56:37" (1/1) ... [2021-12-22 15:56:38,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:56:37" (1/1) ... [2021-12-22 15:56:38,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:56:38,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:56:38,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:56:38,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:56:38,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:56:37" (1/1) ... [2021-12-22 15:56:38,250 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:56:38,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:56:38,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:56:38,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:56:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:56:38,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:56:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:56:38,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:56:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:56:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:56:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2021-12-22 15:56:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2021-12-22 15:56:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:56:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:56:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2021-12-22 15:56:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2021-12-22 15:56:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-22 15:56:38,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-22 15:56:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:56:38,361 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:56:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-22 15:56:38,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-22 15:56:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:56:38,361 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:56:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2021-12-22 15:56:38,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2021-12-22 15:56:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2021-12-22 15:56:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2021-12-22 15:56:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2021-12-22 15:56:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2021-12-22 15:56:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2021-12-22 15:56:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2021-12-22 15:56:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 15:56:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 15:56:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2021-12-22 15:56:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2021-12-22 15:56:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2021-12-22 15:56:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2021-12-22 15:56:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:56:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:56:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:56:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:56:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:56:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:56:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:56:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:56:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2021-12-22 15:56:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2021-12-22 15:56:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:56:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:56:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:56:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:56:38,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:56:38,365 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:56:38,365 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:56:38,365 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2021-12-22 15:56:38,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2021-12-22 15:56:38,365 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:56:38,365 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:56:38,365 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2021-12-22 15:56:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2021-12-22 15:56:38,366 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:56:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:56:38,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:56:38,366 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2021-12-22 15:56:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2021-12-22 15:56:38,366 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2021-12-22 15:56:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2021-12-22 15:56:38,366 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:56:38,367 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:56:38,367 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2021-12-22 15:56:38,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2021-12-22 15:56:38,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:56:38,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:56:38,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:56:38,367 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2021-12-22 15:56:38,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2021-12-22 15:56:38,367 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2021-12-22 15:56:38,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2021-12-22 15:56:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:56:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2021-12-22 15:56:38,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2021-12-22 15:56:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:56:38,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:56:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-22 15:56:38,368 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-22 15:56:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:56:38,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:56:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:56:38,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:56:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-22 15:56:38,369 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-22 15:56:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:56:38,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:56:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:56:38,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:56:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2021-12-22 15:56:38,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2021-12-22 15:56:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-22 15:56:38,370 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-22 15:56:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:56:38,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:56:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2021-12-22 15:56:38,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2021-12-22 15:56:38,370 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2021-12-22 15:56:38,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2021-12-22 15:56:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2021-12-22 15:56:38,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2021-12-22 15:56:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:56:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:56:38,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:56:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:56:38,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:56:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-22 15:56:38,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-22 15:56:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 15:56:38,372 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 15:56:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:56:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-22 15:56:38,372 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-22 15:56:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:56:38,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:56:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:56:38,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:56:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:56:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:56:38,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:56:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2021-12-22 15:56:38,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2021-12-22 15:56:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2021-12-22 15:56:38,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2021-12-22 15:56:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:56:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:56:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2021-12-22 15:56:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2021-12-22 15:56:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:56:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:56:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2021-12-22 15:56:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2021-12-22 15:56:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2021-12-22 15:56:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2021-12-22 15:56:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2021-12-22 15:56:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2021-12-22 15:56:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 15:56:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 15:56:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:56:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:56:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:56:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:56:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2021-12-22 15:56:38,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2021-12-22 15:56:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2021-12-22 15:56:38,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2021-12-22 15:56:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2021-12-22 15:56:38,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2021-12-22 15:56:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:56:38,376 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:56:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:56:38,376 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:56:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2021-12-22 15:56:38,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2021-12-22 15:56:38,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:56:38,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:56:38,377 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-22 15:56:38,377 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-22 15:56:38,377 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:56:38,377 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:56:38,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:56:38,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:56:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:56:38,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:56:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:56:38,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:56:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:56:38,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:56:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 15:56:38,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 15:56:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2021-12-22 15:56:38,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2021-12-22 15:56:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:56:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:56:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2021-12-22 15:56:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2021-12-22 15:56:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-22 15:56:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-22 15:56:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:56:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:56:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:56:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:56:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-22 15:56:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-22 15:56:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2021-12-22 15:56:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2021-12-22 15:56:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-22 15:56:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-22 15:56:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-22 15:56:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-22 15:56:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:56:38,381 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:56:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-22 15:56:38,381 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-22 15:56:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:56:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-22 15:56:38,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-22 15:56:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:56:38,381 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:56:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:56:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-22 15:56:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-22 15:56:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:56:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:56:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:56:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 15:56:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 15:56:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:56:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:56:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:56:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:56:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2021-12-22 15:56:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2021-12-22 15:56:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2021-12-22 15:56:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2021-12-22 15:56:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 15:56:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 15:56:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:56:38,384 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:56:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:56:38,384 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:56:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-22 15:56:38,384 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-22 15:56:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:56:38,384 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:56:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2021-12-22 15:56:38,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2021-12-22 15:56:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-22 15:56:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-22 15:56:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:56:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:56:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:56:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2021-12-22 15:56:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2021-12-22 15:56:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:56:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:56:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2021-12-22 15:56:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2021-12-22 15:56:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:56:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:56:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2021-12-22 15:56:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2021-12-22 15:56:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 15:56:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 15:56:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-22 15:56:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-22 15:56:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2021-12-22 15:56:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2021-12-22 15:56:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-22 15:56:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-22 15:56:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 15:56:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 15:56:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2021-12-22 15:56:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2021-12-22 15:56:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2021-12-22 15:56:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2021-12-22 15:56:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2021-12-22 15:56:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2021-12-22 15:56:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2021-12-22 15:56:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2021-12-22 15:56:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2021-12-22 15:56:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2021-12-22 15:56:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:56:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:56:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 15:56:38,389 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 15:56:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:56:38,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:56:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-22 15:56:38,389 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-22 15:56:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 15:56:38,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 15:56:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:56:38,390 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:56:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:56:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:56:38,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:56:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-22 15:56:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2021-12-22 15:56:38,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2021-12-22 15:56:39,343 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:56:39,346 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:56:39,576 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:57:00,711 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:57:00,899 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:57:00,920 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:57:00,920 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 15:57:00,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:57:00 BoogieIcfgContainer [2021-12-22 15:57:00,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:57:00,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:57:00,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:57:00,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:57:00,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:56:34" (1/3) ... [2021-12-22 15:57:00,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471cbd86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:57:00, skipping insertion in model container [2021-12-22 15:57:00,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:56:37" (2/3) ... [2021-12-22 15:57:00,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471cbd86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:57:00, skipping insertion in model container [2021-12-22 15:57:00,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:57:00" (3/3) ... [2021-12-22 15:57:00,929 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-22 15:57:00,935 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:57:00,936 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-22 15:57:00,975 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:57:00,981 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 [2021-12-22 15:57:00,982 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-22 15:57:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand has 3294 states, 2239 states have (on average 1.2621706118803038) internal successors, (2826), 2274 states have internal predecessors, (2826), 921 states have call successors, (921), 133 states have call predecessors, (921), 132 states have return successors, (916), 906 states have call predecessors, (916), 916 states have call successors, (916) [2021-12-22 15:57:01,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-12-22 15:57:01,071 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:01,072 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:01,072 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:01,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:01,079 INFO L85 PathProgramCache]: Analyzing trace with hash -144671453, now seen corresponding path program 1 times [2021-12-22 15:57:01,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:01,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196823561] [2021-12-22 15:57:01,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:01,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:57:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:57:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:57:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:57:01,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:01,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:57:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:57:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:57:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:57:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:01,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:57:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:57:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:57:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:57:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:57:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:57:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:57:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:57:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:57:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:57:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:02,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-22 15:57:02,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:02,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196823561] [2021-12-22 15:57:02,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196823561] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:02,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:02,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:57:02,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438529756] [2021-12-22 15:57:02,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:02,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:57:02,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:02,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:57:02,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:57:02,229 INFO L87 Difference]: Start difference. First operand has 3294 states, 2239 states have (on average 1.2621706118803038) internal successors, (2826), 2274 states have internal predecessors, (2826), 921 states have call successors, (921), 133 states have call predecessors, (921), 132 states have return successors, (916), 906 states have call predecessors, (916), 916 states have call successors, (916) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-22 15:57:13,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:57:13,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:57:13,891 INFO L93 Difference]: Finished difference Result 9989 states and 14379 transitions. [2021-12-22 15:57:13,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:57:13,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 199 [2021-12-22 15:57:13,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:57:13,966 INFO L225 Difference]: With dead ends: 9989 [2021-12-22 15:57:13,966 INFO L226 Difference]: Without dead ends: 6699 [2021-12-22 15:57:14,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:57:14,007 INFO L933 BasicCegarLoop]: 4988 mSDtfsCounter, 5508 mSDsluCounter, 5554 mSDsCounter, 0 mSdLazyCounter, 2939 mSolverCounterSat, 2757 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6328 SdHoareTripleChecker+Valid, 10542 SdHoareTripleChecker+Invalid, 5697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2757 IncrementalHoareTripleChecker+Valid, 2939 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-12-22 15:57:14,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6328 Valid, 10542 Invalid, 5697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2757 Valid, 2939 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2021-12-22 15:57:14,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6699 states. [2021-12-22 15:57:14,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6699 to 6455. [2021-12-22 15:57:14,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6455 states, 4392 states have (on average 1.252504553734062) internal successors, (5501), 4460 states have internal predecessors, (5501), 1799 states have call successors, (1799), 263 states have call predecessors, (1799), 262 states have return successors, (1797), 1777 states have call predecessors, (1797), 1797 states have call successors, (1797) [2021-12-22 15:57:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6455 states to 6455 states and 9097 transitions. [2021-12-22 15:57:14,446 INFO L78 Accepts]: Start accepts. Automaton has 6455 states and 9097 transitions. Word has length 199 [2021-12-22 15:57:14,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:57:14,449 INFO L470 AbstractCegarLoop]: Abstraction has 6455 states and 9097 transitions. [2021-12-22 15:57:14,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-22 15:57:14,449 INFO L276 IsEmpty]: Start isEmpty. Operand 6455 states and 9097 transitions. [2021-12-22 15:57:14,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-22 15:57:14,464 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:14,464 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:14,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:57:14,465 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:14,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:14,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1810406537, now seen corresponding path program 1 times [2021-12-22 15:57:14,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:14,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904436362] [2021-12-22 15:57:14,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:14,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:57:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:57:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:57:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:57:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:57:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:57:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:57:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:14,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:57:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:57:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:57:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:57:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:57:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:57:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:15,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:57:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:57:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:57:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:57:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-22 15:57:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-22 15:57:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-22 15:57:15,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:15,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904436362] [2021-12-22 15:57:15,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904436362] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:15,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:15,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:57:15,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175601279] [2021-12-22 15:57:15,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:15,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:57:15,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:15,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:57:15,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:57:15,208 INFO L87 Difference]: Start difference. First operand 6455 states and 9097 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:57:24,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:57:25,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:57:25,115 INFO L93 Difference]: Finished difference Result 15346 states and 21669 transitions. [2021-12-22 15:57:25,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:57:25,116 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 223 [2021-12-22 15:57:25,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:57:25,256 INFO L225 Difference]: With dead ends: 15346 [2021-12-22 15:57:25,257 INFO L226 Difference]: Without dead ends: 8928 [2021-12-22 15:57:25,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:57:25,284 INFO L933 BasicCegarLoop]: 5012 mSDtfsCounter, 4577 mSDsluCounter, 5489 mSDsCounter, 0 mSdLazyCounter, 2876 mSolverCounterSat, 2496 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5311 SdHoareTripleChecker+Valid, 10501 SdHoareTripleChecker+Invalid, 5373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2496 IncrementalHoareTripleChecker+Valid, 2876 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2021-12-22 15:57:25,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5311 Valid, 10501 Invalid, 5373 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2496 Valid, 2876 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2021-12-22 15:57:25,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8928 states. [2021-12-22 15:57:25,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8928 to 8614. [2021-12-22 15:57:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8614 states, 5836 states have (on average 1.2433173406442768) internal successors, (7256), 5918 states have internal predecessors, (7256), 2425 states have call successors, (2425), 352 states have call predecessors, (2425), 351 states have return successors, (2423), 2400 states have call predecessors, (2423), 2423 states have call successors, (2423) [2021-12-22 15:57:25,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8614 states to 8614 states and 12104 transitions. [2021-12-22 15:57:25,667 INFO L78 Accepts]: Start accepts. Automaton has 8614 states and 12104 transitions. Word has length 223 [2021-12-22 15:57:25,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:57:25,669 INFO L470 AbstractCegarLoop]: Abstraction has 8614 states and 12104 transitions. [2021-12-22 15:57:25,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:57:25,670 INFO L276 IsEmpty]: Start isEmpty. Operand 8614 states and 12104 transitions. [2021-12-22 15:57:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-22 15:57:25,675 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:25,675 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 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] [2021-12-22 15:57:25,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:57:25,675 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:25,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:25,676 INFO L85 PathProgramCache]: Analyzing trace with hash 78284498, now seen corresponding path program 1 times [2021-12-22 15:57:25,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:25,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472010446] [2021-12-22 15:57:25,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:25,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:57:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:25,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:25,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:57:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:25,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:57:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:57:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:57:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:57:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:57:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:57:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:57:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:57:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:57:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:57:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:57:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:57:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:57:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:57:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:57:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-22 15:57:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-22 15:57:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-22 15:57:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-22 15:57:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-22 15:57:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-22 15:57:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-22 15:57:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:26,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-12-22 15:57:26,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:26,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472010446] [2021-12-22 15:57:26,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472010446] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:26,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:26,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:57:26,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950680666] [2021-12-22 15:57:26,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:26,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:57:26,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:26,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:57:26,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:57:26,218 INFO L87 Difference]: Start difference. First operand 8614 states and 12104 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26)