./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-16 05:16:44,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 05:16:44,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 05:16:44,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 05:16:44,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 05:16:44,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 05:16:44,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 05:16:44,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 05:16:44,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 05:16:44,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 05:16:44,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 05:16:44,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 05:16:44,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 05:16:44,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 05:16:44,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 05:16:44,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 05:16:44,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 05:16:44,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 05:16:44,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 05:16:44,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 05:16:44,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 05:16:44,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 05:16:44,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 05:16:44,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 05:16:44,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 05:16:44,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 05:16:44,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 05:16:44,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 05:16:44,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 05:16:44,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 05:16:44,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 05:16:44,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 05:16:44,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 05:16:44,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 05:16:44,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 05:16:44,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 05:16:44,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 05:16:44,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 05:16:44,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 05:16:44,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 05:16:44,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 05:16:44,792 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 05:16:44,819 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 05:16:44,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 05:16:44,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 05:16:44,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 05:16:44,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 05:16:44,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 05:16:44,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 05:16:44,821 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 05:16:44,821 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 05:16:44,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 05:16:44,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 05:16:44,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 05:16:44,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 05:16:44,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 05:16:44,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 05:16:44,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 05:16:44,823 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 05:16:44,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 05:16:44,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 05:16:44,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 05:16:44,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 05:16:44,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:16:44,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 05:16:44,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 05:16:44,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 05:16:44,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 05:16:44,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 05:16:44,825 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 05:16:44,825 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 05:16:44,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 05:16:44,826 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 05:16:44,826 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b [2021-12-16 05:16:45,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 05:16:45,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 05:16:45,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 05:16:45,062 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 05:16:45,062 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 05:16:45,063 INFO L432 ainManager$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 [2021-12-16 05:16:45,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6fb9fa28/8c21669db7074fb7ac512931c8ac46fc/FLAGb1e89c945 [2021-12-16 05:16:45,919 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 05:16:45,920 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 [2021-12-16 05:16:45,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6fb9fa28/8c21669db7074fb7ac512931c8ac46fc/FLAGb1e89c945 [2021-12-16 05:16:46,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6fb9fa28/8c21669db7074fb7ac512931c8ac46fc [2021-12-16 05:16:46,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 05:16:46,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 05:16:46,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 05:16:46,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 05:16:46,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 05:16:46,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:16:46" (1/1) ... [2021-12-16 05:16:46,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad91d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:16:46, skipping insertion in model container [2021-12-16 05:16:46,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:16:46" (1/1) ... [2021-12-16 05:16:46,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 05:16:46,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 05:16:49,451 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] [2021-12-16 05:16:49,454 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] [2021-12-16 05:16:49,458 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] [2021-12-16 05:16:49,459 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] [2021-12-16 05:16:49,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:16:49,584 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 05:16:49,898 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] [2021-12-16 05:16:49,899 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] [2021-12-16 05:16:49,922 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] [2021-12-16 05:16:49,923 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] [2021-12-16 05:16:49,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:16:50,098 INFO L208 MainTranslator]: Completed translation [2021-12-16 05:16:50,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:16:50 WrapperNode [2021-12-16 05:16:50,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 05:16:50,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 05:16:50,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 05:16:50,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 05:16:50,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:16:50" (1/1) ... [2021-12-16 05:16:50,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:16:50" (1/1) ... [2021-12-16 05:16:50,471 INFO L137 Inliner]: procedures = 480, calls = 6076, calls flagged for inlining = 277, calls inlined = 258, statements flattened = 11928 [2021-12-16 05:16:50,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 05:16:50,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 05:16:50,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 05:16:50,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 05:16:50,479 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:16:50" (1/1) ... [2021-12-16 05:16:50,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:16:50" (1/1) ... [2021-12-16 05:16:50,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:16:50" (1/1) ... [2021-12-16 05:16:50,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:16:50" (1/1) ... [2021-12-16 05:16:50,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:16:50" (1/1) ... [2021-12-16 05:16:50,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:16:50" (1/1) ... [2021-12-16 05:16:50,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:16:50" (1/1) ... [2021-12-16 05:16:50,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 05:16:50,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 05:16:50,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 05:16:50,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 05:16:50,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:16:50" (1/1) ... [2021-12-16 05:16:50,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:16:50,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 05:16:50,860 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) [2021-12-16 05:16:50,893 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 [2021-12-16 05:16:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-16 05:16:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-16 05:16:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 05:16:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 05:16:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-16 05:16:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-16 05:16:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2021-12-16 05:16:50,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2021-12-16 05:16:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 05:16:50,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 05:16:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2021-12-16 05:16:50,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2021-12-16 05:16:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-16 05:16:50,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-16 05:16:50,900 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 05:16:50,901 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 05:16:50,901 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-16 05:16:50,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-16 05:16:50,901 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 05:16:50,901 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 05:16:50,901 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2021-12-16 05:16:50,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2021-12-16 05:16:50,901 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2021-12-16 05:16:50,901 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2021-12-16 05:16:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2021-12-16 05:16:50,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2021-12-16 05:16:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2021-12-16 05:16:50,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2021-12-16 05:16:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-16 05:16:50,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-16 05:16:50,902 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2021-12-16 05:16:50,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2021-12-16 05:16:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2021-12-16 05:16:50,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2021-12-16 05:16:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-16 05:16:50,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-16 05:16:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 05:16:50,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 05:16:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-16 05:16:50,903 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-16 05:16:50,903 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-16 05:16:50,904 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-16 05:16:50,904 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2021-12-16 05:16:50,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2021-12-16 05:16:50,904 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-16 05:16:50,904 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-16 05:16:50,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 05:16:50,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 05:16:50,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 05:16:50,904 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-16 05:16:50,905 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-16 05:16:50,905 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2021-12-16 05:16:50,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2021-12-16 05:16:50,905 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-16 05:16:50,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-16 05:16:50,905 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2021-12-16 05:16:50,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2021-12-16 05:16:50,905 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 05:16:50,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 05:16:50,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 05:16:50,906 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2021-12-16 05:16:50,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2021-12-16 05:16:50,906 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2021-12-16 05:16:50,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2021-12-16 05:16:50,906 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 05:16:50,906 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 05:16:50,906 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2021-12-16 05:16:50,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2021-12-16 05:16:50,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 05:16:50,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 05:16:50,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 05:16:50,907 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2021-12-16 05:16:50,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2021-12-16 05:16:50,907 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2021-12-16 05:16:50,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2021-12-16 05:16:50,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 05:16:50,908 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2021-12-16 05:16:50,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2021-12-16 05:16:50,908 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 05:16:50,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 05:16:50,908 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-16 05:16:50,908 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-16 05:16:50,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 05:16:50,908 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 05:16:50,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-16 05:16:50,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-16 05:16:50,909 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-16 05:16:50,909 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-16 05:16:50,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-16 05:16:50,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-16 05:16:50,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-16 05:16:50,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-16 05:16:50,909 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2021-12-16 05:16:50,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2021-12-16 05:16:50,910 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-16 05:16:50,910 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-16 05:16:50,910 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-16 05:16:50,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-16 05:16:50,910 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2021-12-16 05:16:50,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2021-12-16 05:16:50,910 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2021-12-16 05:16:50,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2021-12-16 05:16:50,910 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2021-12-16 05:16:50,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2021-12-16 05:16:50,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 05:16:50,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-16 05:16:50,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-16 05:16:50,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-16 05:16:50,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-16 05:16:50,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-16 05:16:50,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-16 05:16:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-16 05:16:50,912 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-16 05:16:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 05:16:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-16 05:16:50,912 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-16 05:16:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 05:16:50,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 05:16:50,912 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 05:16:50,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 05:16:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 05:16:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:16:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:16:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2021-12-16 05:16:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2021-12-16 05:16:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2021-12-16 05:16:50,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2021-12-16 05:16:50,913 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:16:50,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 05:16:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2021-12-16 05:16:50,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2021-12-16 05:16:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 05:16:50,914 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 05:16:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2021-12-16 05:16:50,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2021-12-16 05:16:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2021-12-16 05:16:50,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2021-12-16 05:16:50,914 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2021-12-16 05:16:50,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2021-12-16 05:16:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-16 05:16:50,915 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-16 05:16:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 05:16:50,915 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 05:16:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-16 05:16:50,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-16 05:16:50,915 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2021-12-16 05:16:50,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2021-12-16 05:16:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2021-12-16 05:16:50,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2021-12-16 05:16:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2021-12-16 05:16:50,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2021-12-16 05:16:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-16 05:16:50,916 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-16 05:16:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 05:16:50,916 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 05:16:50,916 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2021-12-16 05:16:50,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2021-12-16 05:16:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 05:16:50,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 05:16:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-16 05:16:50,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-16 05:16:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 05:16:50,917 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 05:16:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 05:16:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 05:16:50,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 05:16:50,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 05:16:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-16 05:16:50,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-16 05:16:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-16 05:16:50,918 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-16 05:16:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-16 05:16:50,918 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-16 05:16:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2021-12-16 05:16:50,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2021-12-16 05:16:50,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-16 05:16:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-16 05:16:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2021-12-16 05:16:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2021-12-16 05:16:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-16 05:16:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-16 05:16:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 05:16:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 05:16:50,919 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-16 05:16:50,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-16 05:16:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-16 05:16:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-16 05:16:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2021-12-16 05:16:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2021-12-16 05:16:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-16 05:16:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-16 05:16:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-16 05:16:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-16 05:16:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-16 05:16:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-16 05:16:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-16 05:16:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-16 05:16:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 05:16:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-16 05:16:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-16 05:16:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-16 05:16:50,921 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-16 05:16:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 05:16:50,921 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-16 05:16:50,922 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-16 05:16:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 05:16:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-16 05:16:50,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-16 05:16:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-16 05:16:50,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-16 05:16:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 05:16:50,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 05:16:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 05:16:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 05:16:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2021-12-16 05:16:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2021-12-16 05:16:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2021-12-16 05:16:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2021-12-16 05:16:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-16 05:16:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-16 05:16:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-16 05:16:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-16 05:16:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 05:16:50,924 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 05:16:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-16 05:16:50,924 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-16 05:16:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 05:16:50,924 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 05:16:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2021-12-16 05:16:50,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2021-12-16 05:16:50,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-16 05:16:50,924 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-16 05:16:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 05:16:50,925 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 05:16:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 05:16:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2021-12-16 05:16:50,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2021-12-16 05:16:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 05:16:50,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 05:16:50,925 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2021-12-16 05:16:50,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2021-12-16 05:16:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-16 05:16:50,926 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-16 05:16:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2021-12-16 05:16:50,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2021-12-16 05:16:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-16 05:16:50,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-16 05:16:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-16 05:16:50,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-16 05:16:50,926 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2021-12-16 05:16:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2021-12-16 05:16:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-16 05:16:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-16 05:16:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-16 05:16:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-16 05:16:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2021-12-16 05:16:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2021-12-16 05:16:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2021-12-16 05:16:50,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2021-12-16 05:16:50,927 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2021-12-16 05:16:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2021-12-16 05:16:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2021-12-16 05:16:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2021-12-16 05:16:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2021-12-16 05:16:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2021-12-16 05:16:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 05:16:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 05:16:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-16 05:16:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-16 05:16:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-16 05:16:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-16 05:16:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-16 05:16:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-16 05:16:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-16 05:16:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-16 05:16:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-16 05:16:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-16 05:16:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 05:16:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 05:16:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 05:16:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-16 05:16:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2021-12-16 05:16:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2021-12-16 05:16:51,878 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 05:16:51,883 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 05:16:52,088 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 05:17:14,502 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-16 05:17:14,700 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 05:17:14,727 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 05:17:14,727 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 05:17:14,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:17:14 BoogieIcfgContainer [2021-12-16 05:17:14,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 05:17:14,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 05:17:14,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 05:17:14,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 05:17:14,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:16:46" (1/3) ... [2021-12-16 05:17:14,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ffe12c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:17:14, skipping insertion in model container [2021-12-16 05:17:14,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:16:50" (2/3) ... [2021-12-16 05:17:14,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ffe12c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:17:14, skipping insertion in model container [2021-12-16 05:17:14,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:17:14" (3/3) ... [2021-12-16 05:17:14,738 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-16 05:17:14,741 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 05:17:14,742 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-16 05:17:14,792 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 05:17:14,804 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 [2021-12-16 05:17:14,804 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-16 05:17:14,876 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) [2021-12-16 05:17:14,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-12-16 05:17:14,894 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:17:14,895 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] [2021-12-16 05:17:14,896 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:17:14,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:17:14,900 INFO L85 PathProgramCache]: Analyzing trace with hash -144671453, now seen corresponding path program 1 times [2021-12-16 05:17:14,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:17:14,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637742501] [2021-12-16 05:17:14,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:17:14,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:17:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:15,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:17:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:15,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:15,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:17:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:15,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:15,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:17:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:15,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:15,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:17:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:15,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:15,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:17:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:15,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:17:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:15,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:15,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:17:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:17:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:17:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:17:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:17:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:17:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:17:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:17:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:17:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:17:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-16 05:17:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 05:17:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:16,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-16 05:17:16,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:17:16,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637742501] [2021-12-16 05:17:16,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637742501] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:17:16,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:17:16,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:17:16,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923274995] [2021-12-16 05:17:16,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:17:16,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:17:16,209 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:17:16,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:17:16,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:17:16,236 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) [2021-12-16 05:17:26,763 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 [] [2021-12-16 05:17:27,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:17:27,230 INFO L93 Difference]: Finished difference Result 9989 states and 14379 transitions. [2021-12-16 05:17:27,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 05:17:27,233 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 [2021-12-16 05:17:27,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:17:27,301 INFO L225 Difference]: With dead ends: 9989 [2021-12-16 05:17:27,301 INFO L226 Difference]: Without dead ends: 6699 [2021-12-16 05:17:27,336 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 [2021-12-16 05:17:27,340 INFO L933 BasicCegarLoop]: 4993 mSDtfsCounter, 5508 mSDsluCounter, 5562 mSDsCounter, 0 mSdLazyCounter, 2939 mSolverCounterSat, 2757 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6326 SdHoareTripleChecker+Valid, 10555 SdHoareTripleChecker+Invalid, 5697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2757 IncrementalHoareTripleChecker+Valid, 2939 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-12-16 05:17:27,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6326 Valid, 10555 Invalid, 5697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2757 Valid, 2939 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2021-12-16 05:17:27,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6699 states. [2021-12-16 05:17:27,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6699 to 6455. [2021-12-16 05:17:27,851 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) [2021-12-16 05:17:27,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6455 states to 6455 states and 9097 transitions. [2021-12-16 05:17:27,929 INFO L78 Accepts]: Start accepts. Automaton has 6455 states and 9097 transitions. Word has length 199 [2021-12-16 05:17:27,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:17:27,932 INFO L470 AbstractCegarLoop]: Abstraction has 6455 states and 9097 transitions. [2021-12-16 05:17:27,932 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) [2021-12-16 05:17:27,933 INFO L276 IsEmpty]: Start isEmpty. Operand 6455 states and 9097 transitions. [2021-12-16 05:17:27,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-16 05:17:27,941 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:17:27,941 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] [2021-12-16 05:17:27,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 05:17:27,942 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:17:27,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:17:27,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1810406537, now seen corresponding path program 1 times [2021-12-16 05:17:27,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:17:27,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250509458] [2021-12-16 05:17:27,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:17:27,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:17:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:17:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:17:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:17:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:17:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:17:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:17:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:17:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:17:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:17:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:17:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:17:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:17:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:17:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:17:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:17:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:17:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-16 05:17:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-16 05:17:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 05:17:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:28,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-16 05:17:28,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:17:28,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250509458] [2021-12-16 05:17:28,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250509458] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:17:28,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:17:28,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:17:28,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860956952] [2021-12-16 05:17:28,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:17:28,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:17:28,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:17:28,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:17:28,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:17:28,600 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) [2021-12-16 05:17:38,276 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 [] [2021-12-16 05:17:38,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:17:38,677 INFO L93 Difference]: Finished difference Result 15346 states and 21669 transitions. [2021-12-16 05:17:38,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 05:17:38,677 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 [2021-12-16 05:17:38,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:17:38,733 INFO L225 Difference]: With dead ends: 15346 [2021-12-16 05:17:38,734 INFO L226 Difference]: Without dead ends: 8928 [2021-12-16 05:17:38,760 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 [2021-12-16 05:17:38,761 INFO L933 BasicCegarLoop]: 5010 mSDtfsCounter, 4577 mSDsluCounter, 5485 mSDsCounter, 0 mSdLazyCounter, 2876 mSolverCounterSat, 2496 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5311 SdHoareTripleChecker+Valid, 10495 SdHoareTripleChecker+Invalid, 5373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2496 IncrementalHoareTripleChecker+Valid, 2876 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-12-16 05:17:38,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5311 Valid, 10495 Invalid, 5373 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2496 Valid, 2876 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2021-12-16 05:17:38,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8928 states. [2021-12-16 05:17:39,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8928 to 8614. [2021-12-16 05:17:39,138 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) [2021-12-16 05:17:39,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8614 states to 8614 states and 12104 transitions. [2021-12-16 05:17:39,178 INFO L78 Accepts]: Start accepts. Automaton has 8614 states and 12104 transitions. Word has length 223 [2021-12-16 05:17:39,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:17:39,180 INFO L470 AbstractCegarLoop]: Abstraction has 8614 states and 12104 transitions. [2021-12-16 05:17:39,181 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) [2021-12-16 05:17:39,181 INFO L276 IsEmpty]: Start isEmpty. Operand 8614 states and 12104 transitions. [2021-12-16 05:17:39,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-16 05:17:39,187 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:17:39,187 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] [2021-12-16 05:17:39,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 05:17:39,188 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:17:39,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:17:39,189 INFO L85 PathProgramCache]: Analyzing trace with hash 78284498, now seen corresponding path program 1 times [2021-12-16 05:17:39,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:17:39,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102474743] [2021-12-16 05:17:39,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:17:39,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:17:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:17:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:17:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:17:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:17:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:17:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:17:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:17:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:17:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:17:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 05:17:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 05:17:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 05:17:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 05:17:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:17:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 05:17:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 05:17:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-16 05:17:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 05:17:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-16 05:17:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-16 05:17:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-16 05:17:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:17:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-16 05:17:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 05:17:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-16 05:17:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:17:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-12-16 05:17:39,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:17:39,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102474743] [2021-12-16 05:17:39,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102474743] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:17:39,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:17:39,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 05:17:39,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331473576] [2021-12-16 05:17:39,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:17:39,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 05:17:39,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:17:39,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 05:17:39,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 05:17:39,795 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)