./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 ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 17:29:57,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:29:57,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:29:57,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:29:57,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:29:57,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:29:57,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:29:57,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:29:57,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:29:57,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:29:57,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:29:57,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:29:57,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:29:57,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:29:57,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:29:57,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:29:57,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:29:57,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:29:57,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:29:57,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:29:57,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:29:57,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:29:57,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:29:57,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:29:57,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:29:57,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:29:57,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:29:57,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:29:57,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:29:57,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:29:57,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:29:57,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:29:57,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:29:57,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:29:57,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:29:57,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:29:57,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:29:57,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:29:57,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:29:57,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:29:57,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:29:57,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:29:57,652 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:29:57,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:29:57,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:29:57,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:29:57,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:29:57,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:29:57,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:29:57,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:29:57,659 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:29:57,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:29:57,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:29:57,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:29:57,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:29:57,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:29:57,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:29:57,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:29:57,661 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:29:57,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:29:57,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:29:57,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:29:57,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:29:57,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:29:57,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:29:57,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:29:57,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:29:57,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:29:57,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:29:57,662 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:29:57,663 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:29:57,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:29:57,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:29:57,663 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484c71f67ef44adda28419ba4f7367133d47a44b7b25589681c020e12726250b [2021-12-21 17:29:57,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:29:57,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:29:57,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:29:57,854 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:29:57,855 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:29:57,856 INFO L432 ainManager$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 [2021-12-21 17:29:57,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c89985e39/5beba2b43f18427ba414cf4eacb4c53f/FLAGa2fbbbfc8 [2021-12-21 17:29:58,644 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:29:58,645 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 [2021-12-21 17:29:58,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c89985e39/5beba2b43f18427ba414cf4eacb4c53f/FLAGa2fbbbfc8 [2021-12-21 17:29:59,201 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c89985e39/5beba2b43f18427ba414cf4eacb4c53f [2021-12-21 17:29:59,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:29:59,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:29:59,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:29:59,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:29:59,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:29:59,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:29:59" (1/1) ... [2021-12-21 17:29:59,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c762894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:29:59, skipping insertion in model container [2021-12-21 17:29:59,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:29:59" (1/1) ... [2021-12-21 17:29:59,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:29:59,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:30:02,892 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] [2021-12-21 17:30:02,895 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] [2021-12-21 17:30:02,896 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] [2021-12-21 17:30:02,896 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] [2021-12-21 17:30:02,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:30:02,995 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:30:03,265 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] [2021-12-21 17:30:03,265 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] [2021-12-21 17:30:03,266 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] [2021-12-21 17:30:03,266 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] [2021-12-21 17:30:03,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:30:03,441 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:30:03,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:03 WrapperNode [2021-12-21 17:30:03,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:30:03,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:30:03,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:30:03,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:30:03,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:03" (1/1) ... [2021-12-21 17:30:03,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:03" (1/1) ... [2021-12-21 17:30:03,845 INFO L137 Inliner]: procedures = 480, calls = 6076, calls flagged for inlining = 277, calls inlined = 258, statements flattened = 11928 [2021-12-21 17:30:03,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:30:03,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:30:03,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:30:03,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:30:03,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:03" (1/1) ... [2021-12-21 17:30:03,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:03" (1/1) ... [2021-12-21 17:30:03,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:03" (1/1) ... [2021-12-21 17:30:03,918 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:03" (1/1) ... [2021-12-21 17:30:04,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:03" (1/1) ... [2021-12-21 17:30:04,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:03" (1/1) ... [2021-12-21 17:30:04,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:03" (1/1) ... [2021-12-21 17:30:04,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:30:04,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:30:04,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:30:04,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:30:04,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:03" (1/1) ... [2021-12-21 17:30:04,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:30:04,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:30:04,325 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) [2021-12-21 17:30:04,346 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 [2021-12-21 17:30:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 17:30:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 17:30:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:30:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:30:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 17:30:04,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 17:30:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2021-12-21 17:30:04,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2021-12-21 17:30:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:30:04,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:30:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2021-12-21 17:30:04,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2021-12-21 17:30:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-21 17:30:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-21 17:30:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 17:30:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 17:30:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-21 17:30:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-21 17:30:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 17:30:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 17:30:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2021-12-21 17:30:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2021-12-21 17:30:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2021-12-21 17:30:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2021-12-21 17:30:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2021-12-21 17:30:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2021-12-21 17:30:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2021-12-21 17:30:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2021-12-21 17:30:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 17:30:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 17:30:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2021-12-21 17:30:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2021-12-21 17:30:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2021-12-21 17:30:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2021-12-21 17:30:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 17:30:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 17:30:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:30:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:30:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 17:30:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 17:30:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 17:30:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 17:30:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2021-12-21 17:30:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2021-12-21 17:30:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 17:30:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 17:30:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:30:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:30:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:30:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-21 17:30:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-21 17:30:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2021-12-21 17:30:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2021-12-21 17:30:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-21 17:30:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-21 17:30:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2021-12-21 17:30:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2021-12-21 17:30:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 17:30:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 17:30:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:30:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2021-12-21 17:30:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2021-12-21 17:30:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2021-12-21 17:30:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2021-12-21 17:30:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 17:30:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 17:30:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2021-12-21 17:30:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2021-12-21 17:30:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:30:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:30:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:30:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2021-12-21 17:30:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2021-12-21 17:30:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2021-12-21 17:30:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2021-12-21 17:30:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:30:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2021-12-21 17:30:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2021-12-21 17:30:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 17:30:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 17:30:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-12-21 17:30:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-12-21 17:30:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 17:30:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 17:30:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-21 17:30:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-21 17:30:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-21 17:30:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-21 17:30:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-21 17:30:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-21 17:30:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 17:30:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 17:30:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2021-12-21 17:30:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2021-12-21 17:30:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-21 17:30:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-21 17:30:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 17:30:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 17:30:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2021-12-21 17:30:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2021-12-21 17:30:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2021-12-21 17:30:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2021-12-21 17:30:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2021-12-21 17:30:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2021-12-21 17:30:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:30:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-21 17:30:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-21 17:30:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-21 17:30:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-21 17:30:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-21 17:30:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-21 17:30:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-21 17:30:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-21 17:30:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:30:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-21 17:30:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-21 17:30:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:30:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:30:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 17:30:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 17:30:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:30:04,365 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:30:04,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:30:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2021-12-21 17:30:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2021-12-21 17:30:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2021-12-21 17:30:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2021-12-21 17:30:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:30:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:30:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2021-12-21 17:30:04,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2021-12-21 17:30:04,366 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-21 17:30:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-21 17:30:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2021-12-21 17:30:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2021-12-21 17:30:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2021-12-21 17:30:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2021-12-21 17:30:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2021-12-21 17:30:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2021-12-21 17:30:04,367 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-21 17:30:04,367 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-21 17:30:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 17:30:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 17:30:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-21 17:30:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-21 17:30:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2021-12-21 17:30:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2021-12-21 17:30:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2021-12-21 17:30:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2021-12-21 17:30:04,368 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2021-12-21 17:30:04,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2021-12-21 17:30:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-21 17:30:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-21 17:30:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 17:30:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 17:30:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2021-12-21 17:30:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2021-12-21 17:30:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:30:04,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:30:04,369 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-21 17:30:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-21 17:30:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 17:30:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 17:30:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:30:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:30:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:30:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:30:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 17:30:04,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-21 17:30:04,370 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 17:30:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 17:30:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-21 17:30:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-21 17:30:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2021-12-21 17:30:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2021-12-21 17:30:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-21 17:30:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-21 17:30:04,371 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2021-12-21 17:30:04,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2021-12-21 17:30:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-21 17:30:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-21 17:30:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 17:30:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 17:30:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 17:30:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 17:30:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-21 17:30:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-21 17:30:04,372 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2021-12-21 17:30:04,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2021-12-21 17:30:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-21 17:30:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-21 17:30:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-21 17:30:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-21 17:30:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 17:30:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 17:30:04,373 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-21 17:30:04,373 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-21 17:30:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:30:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-21 17:30:04,374 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-21 17:30:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 17:30:04,374 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 17:30:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:30:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-21 17:30:04,374 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-21 17:30:04,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:30:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:30:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:30:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-21 17:30:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-21 17:30:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 17:30:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 17:30:04,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:30:04,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:30:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2021-12-21 17:30:04,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2021-12-21 17:30:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2021-12-21 17:30:04,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2021-12-21 17:30:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-21 17:30:04,376 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-21 17:30:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-21 17:30:04,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-21 17:30:04,376 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 17:30:04,376 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 17:30:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-21 17:30:04,377 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-21 17:30:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 17:30:04,377 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 17:30:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2021-12-21 17:30:04,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2021-12-21 17:30:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-21 17:30:04,377 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-21 17:30:04,377 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-21 17:30:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-21 17:30:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:30:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2021-12-21 17:30:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2021-12-21 17:30:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:30:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:30:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2021-12-21 17:30:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2021-12-21 17:30:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 17:30:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 17:30:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2021-12-21 17:30:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2021-12-21 17:30:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-21 17:30:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-21 17:30:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-21 17:30:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-21 17:30:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2021-12-21 17:30:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2021-12-21 17:30:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-21 17:30:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-21 17:30:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-21 17:30:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-21 17:30:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2021-12-21 17:30:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2021-12-21 17:30:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2021-12-21 17:30:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2021-12-21 17:30:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2021-12-21 17:30:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2021-12-21 17:30:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2021-12-21 17:30:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2021-12-21 17:30:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2021-12-21 17:30:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2021-12-21 17:30:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:30:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:30:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-21 17:30:04,381 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-21 17:30:04,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 17:30:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-21 17:30:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-21 17:30:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-21 17:30:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-21 17:30:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-21 17:30:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-21 17:30:04,382 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-21 17:30:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:30:04,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 17:30:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 17:30:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-21 17:30:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2021-12-21 17:30:04,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2021-12-21 17:30:05,620 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:30:05,623 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:30:05,867 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:30:28,553 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-21 17:30:28,762 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:30:28,781 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:30:28,781 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 17:30:28,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:30:28 BoogieIcfgContainer [2021-12-21 17:30:28,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:30:28,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:30:28,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:30:28,787 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:30:28,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:29:59" (1/3) ... [2021-12-21 17:30:28,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca2b6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:30:28, skipping insertion in model container [2021-12-21 17:30:28,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:03" (2/3) ... [2021-12-21 17:30:28,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ca2b6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:30:28, skipping insertion in model container [2021-12-21 17:30:28,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:30:28" (3/3) ... [2021-12-21 17:30:28,789 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-21 17:30:28,793 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:30:28,793 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-21 17:30:28,829 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:30:28,834 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 [2021-12-21 17:30:28,834 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-21 17:30:28,884 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) [2021-12-21 17:30:28,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-12-21 17:30:28,900 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:30:28,901 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] [2021-12-21 17:30:28,901 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:30:28,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:30:28,905 INFO L85 PathProgramCache]: Analyzing trace with hash -144671453, now seen corresponding path program 1 times [2021-12-21 17:30:28,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:30:28,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242689531] [2021-12-21 17:30:28,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:30:28,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:30:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:30:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:30:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:30:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:30:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:30:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:30:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:30:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:30:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:30:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:30:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:30:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:30:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:30:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:29,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:30:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:29,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:30,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:30:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:30,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:30:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:30,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:30,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-21 17:30:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:30,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:30:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-21 17:30:30,072 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:30:30,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242689531] [2021-12-21 17:30:30,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242689531] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:30:30,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:30:30,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:30:30,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528541514] [2021-12-21 17:30:30,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:30:30,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:30:30,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:30:30,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:30:30,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:30:30,101 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) [2021-12-21 17:30:41,353 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 [] [2021-12-21 17:30:41,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:30:41,932 INFO L93 Difference]: Finished difference Result 9989 states and 14379 transitions. [2021-12-21 17:30:41,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:30:41,934 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 [2021-12-21 17:30:41,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:30:41,991 INFO L225 Difference]: With dead ends: 9989 [2021-12-21 17:30:41,991 INFO L226 Difference]: Without dead ends: 6699 [2021-12-21 17:30:42,024 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 [2021-12-21 17:30:42,026 INFO L933 BasicCegarLoop]: 4990 mSDtfsCounter, 5508 mSDsluCounter, 5557 mSDsCounter, 0 mSdLazyCounter, 2939 mSolverCounterSat, 2757 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6327 SdHoareTripleChecker+Valid, 10547 SdHoareTripleChecker+Invalid, 5697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2757 IncrementalHoareTripleChecker+Valid, 2939 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2021-12-21 17:30:42,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6327 Valid, 10547 Invalid, 5697 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2757 Valid, 2939 Invalid, 1 Unknown, 0 Unchecked, 11.2s Time] [2021-12-21 17:30:42,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6699 states. [2021-12-21 17:30:42,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6699 to 6455. [2021-12-21 17:30:42,434 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) [2021-12-21 17:30:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6455 states to 6455 states and 9097 transitions. [2021-12-21 17:30:42,480 INFO L78 Accepts]: Start accepts. Automaton has 6455 states and 9097 transitions. Word has length 199 [2021-12-21 17:30:42,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:30:42,483 INFO L470 AbstractCegarLoop]: Abstraction has 6455 states and 9097 transitions. [2021-12-21 17:30:42,483 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) [2021-12-21 17:30:42,483 INFO L276 IsEmpty]: Start isEmpty. Operand 6455 states and 9097 transitions. [2021-12-21 17:30:42,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-21 17:30:42,495 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:30:42,496 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] [2021-12-21 17:30:42,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:30:42,496 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:30:42,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:30:42,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1810406537, now seen corresponding path program 1 times [2021-12-21 17:30:42,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:30:42,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539123289] [2021-12-21 17:30:42,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:30:42,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:30:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:30:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:30:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:30:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:30:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:30:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:30:42,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:30:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:30:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:30:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:30:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:42,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:30:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:30:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:30:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:30:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:30:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:30:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-21 17:30:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-21 17:30:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:30:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-21 17:30:43,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:30:43,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539123289] [2021-12-21 17:30:43,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539123289] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:30:43,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:30:43,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:30:43,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144687883] [2021-12-21 17:30:43,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:30:43,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:30:43,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:30:43,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:30:43,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:30:43,134 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) [2021-12-21 17:30:53,382 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 [] [2021-12-21 17:30:53,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:30:53,925 INFO L93 Difference]: Finished difference Result 15346 states and 21669 transitions. [2021-12-21 17:30:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:30:53,925 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 [2021-12-21 17:30:53,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:30:53,980 INFO L225 Difference]: With dead ends: 15346 [2021-12-21 17:30:53,980 INFO L226 Difference]: Without dead ends: 8928 [2021-12-21 17:30:54,011 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 [2021-12-21 17:30:54,012 INFO L933 BasicCegarLoop]: 5012 mSDtfsCounter, 4577 mSDsluCounter, 5490 mSDsCounter, 0 mSdLazyCounter, 2876 mSolverCounterSat, 2496 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5312 SdHoareTripleChecker+Valid, 10502 SdHoareTripleChecker+Invalid, 5373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2496 IncrementalHoareTripleChecker+Valid, 2876 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-12-21 17:30:54,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5312 Valid, 10502 Invalid, 5373 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2496 Valid, 2876 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2021-12-21 17:30:54,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8928 states. [2021-12-21 17:30:54,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8928 to 8614. [2021-12-21 17:30:54,520 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) [2021-12-21 17:30:54,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8614 states to 8614 states and 12104 transitions. [2021-12-21 17:30:54,551 INFO L78 Accepts]: Start accepts. Automaton has 8614 states and 12104 transitions. Word has length 223 [2021-12-21 17:30:54,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:30:54,553 INFO L470 AbstractCegarLoop]: Abstraction has 8614 states and 12104 transitions. [2021-12-21 17:30:54,555 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) [2021-12-21 17:30:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 8614 states and 12104 transitions. [2021-12-21 17:30:54,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-21 17:30:54,560 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:30:54,560 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] [2021-12-21 17:30:54,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 17:30:54,560 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:30:54,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:30:54,561 INFO L85 PathProgramCache]: Analyzing trace with hash 78284498, now seen corresponding path program 1 times [2021-12-21 17:30:54,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:30:54,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556047930] [2021-12-21 17:30:54,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:30:54,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:30:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:30:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:30:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:30:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:54,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:30:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:30:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:30:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:30:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:30:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:30:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:30:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:30:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:30:54,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:30:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:30:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:54,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:30:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:55,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:55,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:30:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:55,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:55,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-21 17:30:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:55,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-21 17:30:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:55,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-12-21 17:30:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:55,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-21 17:30:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:55,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-21 17:30:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:55,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:30:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:55,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-21 17:30:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:55,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-21 17:30:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:55,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-21 17:30:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:30:55,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-12-21 17:30:55,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:30:55,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556047930] [2021-12-21 17:30:55,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556047930] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:30:55,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:30:55,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:30:55,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375659314] [2021-12-21 17:30:55,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:30:55,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:30:55,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:30:55,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:30:55,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:30:55,084 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)