./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-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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-atheros-alx-alx.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 e3ed5a6aa0282e2dbd5967163bb1c33dc8964226641967602a6cd0884f5c00f9 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 19:01:48,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 19:01:48,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 19:01:48,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 19:01:48,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 19:01:48,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 19:01:48,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 19:01:48,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 19:01:48,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 19:01:48,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 19:01:48,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 19:01:48,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 19:01:48,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 19:01:48,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 19:01:48,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 19:01:48,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 19:01:48,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 19:01:48,524 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 19:01:48,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 19:01:48,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 19:01:48,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 19:01:48,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 19:01:48,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 19:01:48,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 19:01:48,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 19:01:48,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 19:01:48,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 19:01:48,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 19:01:48,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 19:01:48,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 19:01:48,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 19:01:48,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 19:01:48,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 19:01:48,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 19:01:48,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 19:01:48,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 19:01:48,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 19:01:48,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 19:01:48,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 19:01:48,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 19:01:48,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 19:01:48,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 19:01:48,581 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 19:01:48,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 19:01:48,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 19:01:48,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 19:01:48,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 19:01:48,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 19:01:48,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 19:01:48,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 19:01:48,586 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 19:01:48,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 19:01:48,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 19:01:48,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 19:01:48,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 19:01:48,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 19:01:48,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 19:01:48,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 19:01:48,588 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 19:01:48,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 19:01:48,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 19:01:48,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 19:01:48,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 19:01:48,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:01:48,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 19:01:48,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 19:01:48,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 19:01:48,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 19:01:48,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 19:01:48,590 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 19:01:48,590 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 19:01:48,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 19:01:48,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 19:01:48,591 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ed5a6aa0282e2dbd5967163bb1c33dc8964226641967602a6cd0884f5c00f9 [2021-12-14 19:01:48,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 19:01:48,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 19:01:48,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 19:01:48,840 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 19:01:48,840 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 19:01:48,841 INFO L432 ainManager$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-atheros-alx-alx.cil.i [2021-12-14 19:01:48,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6dececc/7c6f18426c9b4252983a691c38b8977a/FLAG35dd31e3e [2021-12-14 19:01:49,616 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 19:01:49,616 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-atheros-alx-alx.cil.i [2021-12-14 19:01:49,675 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6dececc/7c6f18426c9b4252983a691c38b8977a/FLAG35dd31e3e [2021-12-14 19:01:49,867 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c6dececc/7c6f18426c9b4252983a691c38b8977a [2021-12-14 19:01:49,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 19:01:49,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 19:01:49,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 19:01:49,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 19:01:49,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 19:01:49,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:01:49" (1/1) ... [2021-12-14 19:01:49,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da61ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:49, skipping insertion in model container [2021-12-14 19:01:49,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:01:49" (1/1) ... [2021-12-14 19:01:49,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 19:01:50,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 19:01:53,460 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-atheros-alx-alx.cil.i[416147,416160] [2021-12-14 19:01:53,463 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-atheros-alx-alx.cil.i[416294,416307] [2021-12-14 19:01:53,464 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-atheros-alx-alx.cil.i[416433,416446] [2021-12-14 19:01:53,464 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-atheros-alx-alx.cil.i[416591,416604] [2021-12-14 19:01:53,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:01:53,571 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 19:01:53,944 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-atheros-alx-alx.cil.i[416147,416160] [2021-12-14 19:01:53,945 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-atheros-alx-alx.cil.i[416294,416307] [2021-12-14 19:01:53,945 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-atheros-alx-alx.cil.i[416433,416446] [2021-12-14 19:01:53,946 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-atheros-alx-alx.cil.i[416591,416604] [2021-12-14 19:01:53,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 19:01:54,174 INFO L208 MainTranslator]: Completed translation [2021-12-14 19:01:54,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:54 WrapperNode [2021-12-14 19:01:54,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 19:01:54,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 19:01:54,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 19:01:54,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 19:01:54,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:54" (1/1) ... [2021-12-14 19:01:54,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:54" (1/1) ... [2021-12-14 19:01:54,540 INFO L137 Inliner]: procedures = 543, calls = 4106, calls flagged for inlining = 313, calls inlined = 291, statements flattened = 8482 [2021-12-14 19:01:54,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 19:01:54,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 19:01:54,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 19:01:54,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 19:01:54,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:54" (1/1) ... [2021-12-14 19:01:54,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:54" (1/1) ... [2021-12-14 19:01:54,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:54" (1/1) ... [2021-12-14 19:01:54,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:54" (1/1) ... [2021-12-14 19:01:54,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:54" (1/1) ... [2021-12-14 19:01:54,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:54" (1/1) ... [2021-12-14 19:01:54,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:54" (1/1) ... [2021-12-14 19:01:54,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 19:01:54,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 19:01:54,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 19:01:54,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 19:01:54,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:54" (1/1) ... [2021-12-14 19:01:54,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 19:01:54,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 19:01:54,956 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) [2021-12-14 19:01:54,979 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 [2021-12-14 19:01:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-14 19:01:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-14 19:01:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 19:01:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 19:01:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-14 19:01:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-14 19:01:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 19:01:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 19:01:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2021-12-14 19:01:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2021-12-14 19:01:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2021-12-14 19:01:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2021-12-14 19:01:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-12-14 19:01:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-12-14 19:01:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2021-12-14 19:01:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2021-12-14 19:01:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2021-12-14 19:01:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2021-12-14 19:01:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 19:01:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 19:01:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2021-12-14 19:01:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2021-12-14 19:01:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 19:01:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 19:01:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 19:01:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 19:01:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2021-12-14 19:01:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2021-12-14 19:01:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2021-12-14 19:01:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2021-12-14 19:01:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2021-12-14 19:01:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2021-12-14 19:01:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 19:01:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 19:01:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2021-12-14 19:01:55,000 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2021-12-14 19:01:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2021-12-14 19:01:55,000 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2021-12-14 19:01:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 19:01:55,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 19:01:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 19:01:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 19:01:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 19:01:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 19:01:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 19:01:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 19:01:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2021-12-14 19:01:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2021-12-14 19:01:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2021-12-14 19:01:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2021-12-14 19:01:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 19:01:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 19:01:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-14 19:01:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-14 19:01:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2021-12-14 19:01:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2021-12-14 19:01:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-14 19:01:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-14 19:01:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 19:01:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 19:01:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 19:01:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2021-12-14 19:01:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2021-12-14 19:01:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-14 19:01:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-14 19:01:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-14 19:01:55,007 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-14 19:01:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2021-12-14 19:01:55,007 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2021-12-14 19:01:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2021-12-14 19:01:55,007 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2021-12-14 19:01:55,007 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2021-12-14 19:01:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 19:01:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 19:01:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 19:01:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 19:01:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 19:01:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2021-12-14 19:01:55,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2021-12-14 19:01:55,008 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2021-12-14 19:01:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2021-12-14 19:01:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 19:01:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 19:01:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2021-12-14 19:01:55,010 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2021-12-14 19:01:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 19:01:55,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 19:01:55,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 19:01:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2021-12-14 19:01:55,011 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2021-12-14 19:01:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 19:01:55,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 19:01:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 19:01:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 19:01:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 19:01:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 19:01:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 19:01:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 19:01:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 19:01:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2021-12-14 19:01:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2021-12-14 19:01:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2021-12-14 19:01:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2021-12-14 19:01:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 19:01:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 19:01:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 19:01:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 19:01:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2021-12-14 19:01:55,014 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2021-12-14 19:01:55,014 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2021-12-14 19:01:55,014 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2021-12-14 19:01:55,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 19:01:55,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 19:01:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 19:01:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 19:01:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 19:01:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-14 19:01:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-14 19:01:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-14 19:01:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-14 19:01:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2021-12-14 19:01:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2021-12-14 19:01:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-14 19:01:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-14 19:01:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2021-12-14 19:01:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2021-12-14 19:01:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 19:01:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 19:01:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 19:01:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 19:01:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 19:01:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 19:01:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 19:01:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 19:01:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 19:01:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2021-12-14 19:01:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2021-12-14 19:01:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2021-12-14 19:01:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2021-12-14 19:01:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2021-12-14 19:01:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2021-12-14 19:01:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:01:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 19:01:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:01:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 19:01:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2021-12-14 19:01:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2021-12-14 19:01:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2021-12-14 19:01:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2021-12-14 19:01:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2021-12-14 19:01:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2021-12-14 19:01:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2021-12-14 19:01:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2021-12-14 19:01:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2021-12-14 19:01:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2021-12-14 19:01:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 19:01:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 19:01:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-14 19:01:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-14 19:01:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 19:01:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 19:01:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2021-12-14 19:01:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2021-12-14 19:01:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 19:01:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 19:01:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-12-14 19:01:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-12-14 19:01:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2021-12-14 19:01:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2021-12-14 19:01:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 19:01:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 19:01:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2021-12-14 19:01:55,031 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2021-12-14 19:01:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 19:01:55,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 19:01:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-14 19:01:55,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-14 19:01:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-12-14 19:01:55,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-12-14 19:01:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 19:01:55,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 19:01:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 19:01:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 19:01:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2021-12-14 19:01:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2021-12-14 19:01:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 19:01:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 19:01:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-14 19:01:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-14 19:01:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 19:01:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 19:01:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 19:01:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2021-12-14 19:01:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2021-12-14 19:01:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-14 19:01:55,034 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-14 19:01:55,034 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-14 19:01:55,035 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-14 19:01:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2021-12-14 19:01:55,035 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2021-12-14 19:01:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 19:01:55,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 19:01:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-14 19:01:55,035 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-14 19:01:55,035 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2021-12-14 19:01:55,036 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2021-12-14 19:01:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 19:01:55,036 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 19:01:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2021-12-14 19:01:55,036 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2021-12-14 19:01:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2021-12-14 19:01:55,036 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2021-12-14 19:01:55,036 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-14 19:01:55,037 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-14 19:01:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 19:01:55,037 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 19:01:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-14 19:01:55,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-14 19:01:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-14 19:01:55,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-14 19:01:55,037 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-14 19:01:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-14 19:01:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 19:01:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 19:01:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 19:01:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 19:01:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 19:01:55,038 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2021-12-14 19:01:55,038 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2021-12-14 19:01:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2021-12-14 19:01:55,039 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2021-12-14 19:01:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-14 19:01:55,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-14 19:01:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2021-12-14 19:01:55,039 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2021-12-14 19:01:55,039 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 19:01:55,039 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 19:01:55,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-12-14 19:01:55,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-12-14 19:01:55,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 19:01:55,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 19:01:55,043 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2021-12-14 19:01:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2021-12-14 19:01:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 19:01:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-14 19:01:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-14 19:01:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-14 19:01:55,044 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2021-12-14 19:01:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2021-12-14 19:01:55,045 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 19:01:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 19:01:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-14 19:01:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-14 19:01:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-14 19:01:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-14 19:01:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 19:01:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 19:01:55,046 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-14 19:01:55,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-14 19:01:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 19:01:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 19:01:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 19:01:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 19:01:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-14 19:01:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2021-12-14 19:01:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 19:01:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 19:01:55,047 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 19:01:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 19:01:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2021-12-14 19:01:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2021-12-14 19:01:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 19:01:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 19:01:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2021-12-14 19:01:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2021-12-14 19:01:55,048 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 19:01:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 19:01:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2021-12-14 19:01:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2021-12-14 19:01:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 19:01:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 19:01:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 19:01:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2021-12-14 19:01:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2021-12-14 19:01:55,049 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-14 19:01:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-14 19:01:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2021-12-14 19:01:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2021-12-14 19:01:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2021-12-14 19:01:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2021-12-14 19:01:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2021-12-14 19:01:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2021-12-14 19:01:55,050 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 19:01:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 19:01:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2021-12-14 19:01:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2021-12-14 19:01:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 19:01:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 19:01:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-14 19:01:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-14 19:01:55,051 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2021-12-14 19:01:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2021-12-14 19:01:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2021-12-14 19:01:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2021-12-14 19:01:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2021-12-14 19:01:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2021-12-14 19:01:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2021-12-14 19:01:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2021-12-14 19:01:55,052 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2021-12-14 19:01:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2021-12-14 19:01:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-14 19:01:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-14 19:01:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-14 19:01:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-14 19:01:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 19:01:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 19:01:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 19:01:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 19:01:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-14 19:01:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-14 19:01:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2021-12-14 19:01:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2021-12-14 19:01:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2021-12-14 19:01:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2021-12-14 19:01:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-14 19:01:55,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-14 19:01:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 19:01:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 19:01:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-14 19:01:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-14 19:01:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 19:01:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 19:01:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 19:01:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 19:01:55,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 19:01:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2021-12-14 19:01:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2021-12-14 19:01:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2021-12-14 19:01:55,056 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2021-12-14 19:01:56,140 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 19:01:56,143 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 19:01:56,252 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 19:02:06,293 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 19:02:06,475 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 19:02:06,505 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 19:02:06,505 INFO L301 CfgBuilder]: Removed 8 assume(true) statements. [2021-12-14 19:02:06,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:02:06 BoogieIcfgContainer [2021-12-14 19:02:06,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 19:02:06,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 19:02:06,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 19:02:06,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 19:02:06,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:01:49" (1/3) ... [2021-12-14 19:02:06,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eae1c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:02:06, skipping insertion in model container [2021-12-14 19:02:06,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:54" (2/3) ... [2021-12-14 19:02:06,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eae1c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:02:06, skipping insertion in model container [2021-12-14 19:02:06,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:02:06" (3/3) ... [2021-12-14 19:02:06,518 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i [2021-12-14 19:02:06,527 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 19:02:06,528 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-14 19:02:06,587 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 19:02:06,606 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 [2021-12-14 19:02:06,607 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-14 19:02:06,674 INFO L276 IsEmpty]: Start isEmpty. Operand has 3037 states, 2051 states have (on average 1.273037542662116) internal successors, (2611), 2096 states have internal predecessors, (2611), 828 states have call successors, (828), 160 states have call predecessors, (828), 159 states have return successors, (819), 804 states have call predecessors, (819), 819 states have call successors, (819) [2021-12-14 19:02:06,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-12-14 19:02:06,687 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:02:06,688 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] [2021-12-14 19:02:06,688 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:02:06,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:02:06,693 INFO L85 PathProgramCache]: Analyzing trace with hash -1301053960, now seen corresponding path program 1 times [2021-12-14 19:02:06,749 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:02:06,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27934515] [2021-12-14 19:02:06,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:02:06,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:02:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:02:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:02:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:02:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:02:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:02:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:02:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:02:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:02:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:02:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:02:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:02:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:02:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:02:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:02:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:02:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 19:02:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 19:02:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 19:02:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-14 19:02:07,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:02:07,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27934515] [2021-12-14 19:02:07,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27934515] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:02:07,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:02:07,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:02:07,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764887503] [2021-12-14 19:02:07,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:02:07,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:02:07,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:02:07,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:02:07,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:02:07,889 INFO L87 Difference]: Start difference. First operand has 3037 states, 2051 states have (on average 1.273037542662116) internal successors, (2611), 2096 states have internal predecessors, (2611), 828 states have call successors, (828), 160 states have call predecessors, (828), 159 states have return successors, (819), 804 states have call predecessors, (819), 819 states have call successors, (819) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2021-12-14 19:02:15,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:02:15,137 INFO L93 Difference]: Finished difference Result 9063 states and 12947 transitions. [2021-12-14 19:02:15,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 19:02:15,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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 203 [2021-12-14 19:02:15,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:02:15,212 INFO L225 Difference]: With dead ends: 9063 [2021-12-14 19:02:15,212 INFO L226 Difference]: Without dead ends: 6049 [2021-12-14 19:02:15,242 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 [2021-12-14 19:02:15,245 INFO L933 BasicCegarLoop]: 4280 mSDtfsCounter, 5294 mSDsluCounter, 4432 mSDsCounter, 0 mSdLazyCounter, 2928 mSolverCounterSat, 2662 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6003 SdHoareTripleChecker+Valid, 8712 SdHoareTripleChecker+Invalid, 5590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2662 IncrementalHoareTripleChecker+Valid, 2928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2021-12-14 19:02:15,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6003 Valid, 8712 Invalid, 5590 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2662 Valid, 2928 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2021-12-14 19:02:15,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6049 states. [2021-12-14 19:02:15,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6049 to 5833. [2021-12-14 19:02:15,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5833 states, 3938 states have (on average 1.2600304723209752) internal successors, (4962), 4017 states have internal predecessors, (4962), 1580 states have call successors, (1580), 314 states have call predecessors, (1580), 313 states have return successors, (1577), 1555 states have call predecessors, (1577), 1577 states have call successors, (1577) [2021-12-14 19:02:15,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5833 states to 5833 states and 8119 transitions. [2021-12-14 19:02:15,701 INFO L78 Accepts]: Start accepts. Automaton has 5833 states and 8119 transitions. Word has length 203 [2021-12-14 19:02:15,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:02:15,705 INFO L470 AbstractCegarLoop]: Abstraction has 5833 states and 8119 transitions. [2021-12-14 19:02:15,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2021-12-14 19:02:15,705 INFO L276 IsEmpty]: Start isEmpty. Operand 5833 states and 8119 transitions. [2021-12-14 19:02:15,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-14 19:02:15,718 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:02:15,718 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, 1] [2021-12-14 19:02:15,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 19:02:15,719 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:02:15,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:02:15,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1310231461, now seen corresponding path program 1 times [2021-12-14 19:02:15,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:02:15,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485968891] [2021-12-14 19:02:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:02:15,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:02:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:02:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:02:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:02:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:02:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:02:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:02:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:02:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:02:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:02:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:02:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:02:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:02:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:02:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:02:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:02:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 19:02:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 19:02:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-14 19:02:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-14 19:02:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:16,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-14 19:02:16,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:02:16,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485968891] [2021-12-14 19:02:16,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485968891] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:02:16,329 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:02:16,329 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:02:16,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808663014] [2021-12-14 19:02:16,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:02:16,331 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:02:16,331 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:02:16,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:02:16,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:02:16,332 INFO L87 Difference]: Start difference. First operand 5833 states and 8119 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, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-14 19:02:23,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:02:23,124 INFO L93 Difference]: Finished difference Result 14000 states and 19553 transitions. [2021-12-14 19:02:23,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 19:02:23,124 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, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 224 [2021-12-14 19:02:23,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:02:23,192 INFO L225 Difference]: With dead ends: 14000 [2021-12-14 19:02:23,193 INFO L226 Difference]: Without dead ends: 8204 [2021-12-14 19:02:23,222 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 [2021-12-14 19:02:23,224 INFO L933 BasicCegarLoop]: 4153 mSDtfsCounter, 4701 mSDsluCounter, 4386 mSDsCounter, 0 mSdLazyCounter, 2859 mSolverCounterSat, 2511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5307 SdHoareTripleChecker+Valid, 8539 SdHoareTripleChecker+Invalid, 5370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2511 IncrementalHoareTripleChecker+Valid, 2859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-14 19:02:23,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5307 Valid, 8539 Invalid, 5370 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2511 Valid, 2859 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-12-14 19:02:23,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8204 states. [2021-12-14 19:02:23,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8204 to 7874. [2021-12-14 19:02:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7874 states, 5330 states have (on average 1.2545966228893057) internal successors, (6687), 5435 states have internal predecessors, (6687), 2102 states have call successors, (2102), 442 states have call predecessors, (2102), 440 states have return successors, (2099), 2065 states have call predecessors, (2099), 2099 states have call successors, (2099) [2021-12-14 19:02:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7874 states to 7874 states and 10888 transitions. [2021-12-14 19:02:23,607 INFO L78 Accepts]: Start accepts. Automaton has 7874 states and 10888 transitions. Word has length 224 [2021-12-14 19:02:23,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:02:23,609 INFO L470 AbstractCegarLoop]: Abstraction has 7874 states and 10888 transitions. [2021-12-14 19:02:23,609 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, (21), 3 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-14 19:02:23,610 INFO L276 IsEmpty]: Start isEmpty. Operand 7874 states and 10888 transitions. [2021-12-14 19:02:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-12-14 19:02:23,616 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:02:23,616 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 19:02:23,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 19:02:23,617 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:02:23,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:02:23,617 INFO L85 PathProgramCache]: Analyzing trace with hash 2076824571, now seen corresponding path program 1 times [2021-12-14 19:02:23,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:02:23,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188917504] [2021-12-14 19:02:23,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:02:23,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:02:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:02:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:02:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:02:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:02:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:02:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:02:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:02:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:02:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:23,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:02:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:02:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:02:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:02:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:02:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:02:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:02:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 19:02:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 19:02:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-14 19:02:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 19:02:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-14 19:02:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-14 19:02:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2021-12-14 19:02:24,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:02:24,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188917504] [2021-12-14 19:02:24,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188917504] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:02:24,148 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:02:24,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:02:24,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061594577] [2021-12-14 19:02:24,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:02:24,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:02:24,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:02:24,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:02:24,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:02:24,150 INFO L87 Difference]: Start difference. First operand 7874 states and 10888 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-14 19:02:30,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 19:02:30,566 INFO L93 Difference]: Finished difference Result 21440 states and 29832 transitions. [2021-12-14 19:02:30,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 19:02:30,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 238 [2021-12-14 19:02:30,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 19:02:30,657 INFO L225 Difference]: With dead ends: 21440 [2021-12-14 19:02:30,657 INFO L226 Difference]: Without dead ends: 13603 [2021-12-14 19:02:30,700 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 19:02:30,701 INFO L933 BasicCegarLoop]: 4244 mSDtfsCounter, 5212 mSDsluCounter, 4408 mSDsCounter, 0 mSdLazyCounter, 2942 mSolverCounterSat, 2650 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5916 SdHoareTripleChecker+Valid, 8652 SdHoareTripleChecker+Invalid, 5592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2650 IncrementalHoareTripleChecker+Valid, 2942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-14 19:02:30,702 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5916 Valid, 8652 Invalid, 5592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2650 Valid, 2942 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-14 19:02:30,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13603 states. [2021-12-14 19:02:31,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13603 to 13055. [2021-12-14 19:02:31,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13055 states, 8835 states have (on average 1.2529711375212225) internal successors, (11070), 9019 states have internal predecessors, (11070), 3485 states have call successors, (3485), 736 states have call predecessors, (3485), 733 states have return successors, (3482), 3416 states have call predecessors, (3482), 3482 states have call successors, (3482) [2021-12-14 19:02:31,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13055 states to 13055 states and 18037 transitions. [2021-12-14 19:02:31,300 INFO L78 Accepts]: Start accepts. Automaton has 13055 states and 18037 transitions. Word has length 238 [2021-12-14 19:02:31,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 19:02:31,301 INFO L470 AbstractCegarLoop]: Abstraction has 13055 states and 18037 transitions. [2021-12-14 19:02:31,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-12-14 19:02:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 13055 states and 18037 transitions. [2021-12-14 19:02:31,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-12-14 19:02:31,311 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 19:02:31,311 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 2, 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] [2021-12-14 19:02:31,312 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 19:02:31,312 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 19:02:31,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 19:02:31,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1447831510, now seen corresponding path program 1 times [2021-12-14 19:02:31,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 19:02:31,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112011825] [2021-12-14 19:02:31,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 19:02:31,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 19:02:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 19:02:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 19:02:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 19:02:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 19:02:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 19:02:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 19:02:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 19:02:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 19:02:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 19:02:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 19:02:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 19:02:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 19:02:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 19:02:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 19:02:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 19:02:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 19:02:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 19:02:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-14 19:02:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 19:02:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-14 19:02:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-14 19:02:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 19:02:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-14 19:02:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-14 19:02:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-14 19:02:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 19:02:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1314 trivial. 0 not checked. [2021-12-14 19:02:31,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 19:02:31,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112011825] [2021-12-14 19:02:31,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112011825] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 19:02:31,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 19:02:31,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 19:02:31,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127673866] [2021-12-14 19:02:31,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 19:02:31,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 19:02:31,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 19:02:31,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 19:02:31,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 19:02:31,836 INFO L87 Difference]: Start difference. First operand 13055 states and 18037 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 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)