./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.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-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.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 abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:52:10,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:52:10,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:52:11,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:52:11,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:52:11,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:52:11,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:52:11,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:52:11,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:52:11,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:52:11,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:52:11,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:52:11,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:52:11,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:52:11,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:52:11,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:52:11,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:52:11,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:52:11,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:52:11,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:52:11,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:52:11,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:52:11,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:52:11,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:52:11,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:52:11,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:52:11,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:52:11,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:52:11,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:52:11,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:52:11,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:52:11,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:52:11,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:52:11,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:52:11,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:52:11,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:52:11,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:52:11,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:52:11,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:52:11,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:52:11,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:52:11,065 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:52:11,087 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:52:11,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:52:11,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:52:11,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:52:11,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:52:11,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:52:11,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:52:11,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:52:11,089 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:52:11,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:52:11,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:52:11,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:52:11,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:52:11,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:52:11,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:52:11,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:52:11,091 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:52:11,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:52:11,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:52:11,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:52:11,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:52:11,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:52:11,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:52:11,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:52:11,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:52:11,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:52:11,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:52:11,092 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:52:11,093 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:52:11,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:52:11,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:52:11,093 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abfdd6ea704cd13da9f6c4fa68989a6001819ce06b341c8a00315bc983ef4819 [2021-12-14 18:52:11,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:52:11,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:52:11,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:52:11,338 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:52:11,338 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:52:11,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2021-12-14 18:52:11,396 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f33adfc0d/2099af920e5843738c3779dcd8b91e97/FLAG14a791f67 [2021-12-14 18:52:12,023 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:52:12,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2021-12-14 18:52:12,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f33adfc0d/2099af920e5843738c3779dcd8b91e97/FLAG14a791f67 [2021-12-14 18:52:12,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f33adfc0d/2099af920e5843738c3779dcd8b91e97 [2021-12-14 18:52:12,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:52:12,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:52:12,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:52:12,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:52:12,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:52:12,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:52:12" (1/1) ... [2021-12-14 18:52:12,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68690f83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:12, skipping insertion in model container [2021-12-14 18:52:12,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:52:12" (1/1) ... [2021-12-14 18:52:12,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:52:12,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:52:14,970 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-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2021-12-14 18:52:14,973 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-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2021-12-14 18:52:15,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:52:15,035 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:52:15,324 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-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[422956,422969] [2021-12-14 18:52:15,324 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-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i[423101,423114] [2021-12-14 18:52:15,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:52:15,493 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:52:15,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:15 WrapperNode [2021-12-14 18:52:15,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:52:15,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:52:15,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:52:15,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:52:15,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:15" (1/1) ... [2021-12-14 18:52:15,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:15" (1/1) ... [2021-12-14 18:52:15,784 INFO L137 Inliner]: procedures = 556, calls = 2944, calls flagged for inlining = 291, calls inlined = 260, statements flattened = 7429 [2021-12-14 18:52:15,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:52:15,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:52:15,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:52:15,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:52:15,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:15" (1/1) ... [2021-12-14 18:52:15,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:15" (1/1) ... [2021-12-14 18:52:15,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:15" (1/1) ... [2021-12-14 18:52:15,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:15" (1/1) ... [2021-12-14 18:52:15,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:15" (1/1) ... [2021-12-14 18:52:15,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:15" (1/1) ... [2021-12-14 18:52:15,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:15" (1/1) ... [2021-12-14 18:52:16,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:52:16,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:52:16,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:52:16,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:52:16,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:15" (1/1) ... [2021-12-14 18:52:16,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:52:16,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:52:16,051 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 18:52:16,070 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 18:52:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_write [2021-12-14 18:52:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_write [2021-12-14 18:52:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:52:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:52:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 18:52:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 18:52:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:52:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:52:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_86 [2021-12-14 18:52:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_86 [2021-12-14 18:52:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:52:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:52:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 18:52:16,087 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 18:52:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:52:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:52:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:52:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:52:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_interrupt [2021-12-14 18:52:16,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_interrupt [2021-12-14 18:52:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-14 18:52:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-14 18:52:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:52:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:52:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:52:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:52:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:52:16,089 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:52:16,089 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:52:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:52:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:52:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:52:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:52:16,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:52:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:52:16,090 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_bcr [2021-12-14 18:52:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_bcr [2021-12-14 18:52:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:52:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:52:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:52:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:52:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:52:16,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2021-12-14 18:52:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pcnet32_cleanup_module_16_2 [2021-12-14 18:52:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:52:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:52:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-14 18:52:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-14 18:52:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:52:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:52:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:52:16,092 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_tx_ring [2021-12-14 18:52:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_tx_ring [2021-12-14 18:52:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:52:16,093 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:52:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:52:16,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-14 18:52:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-14 18:52:16,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:52:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:52:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_bcr [2021-12-14 18:52:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_bcr [2021-12-14 18:52:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-14 18:52:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-14 18:52:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:52:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:52:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:52:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:52:16,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:52:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:52:16,096 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 18:52:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 18:52:16,096 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:52:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:52:16,096 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_start [2021-12-14 18:52:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_start [2021-12-14 18:52:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-14 18:52:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-14 18:52:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~~u16~0 [2021-12-14 18:52:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~~u16~0 [2021-12-14 18:52:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:52:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:52:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:52:16,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:52:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:52:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-14 18:52:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-14 18:52:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-12-14 18:52:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-12-14 18:52:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-14 18:52:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-14 18:52:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-14 18:52:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-14 18:52:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_open [2021-12-14 18:52:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_open [2021-12-14 18:52:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:52:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 18:52:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 18:52:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:52:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:52:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:52:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:52:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:52:16,100 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:52:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:52:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:52:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_reset [2021-12-14 18:52:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_reset [2021-12-14 18:52:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:52:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-14 18:52:16,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-14 18:52:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-14 18:52:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_pcnet32_private [2021-12-14 18:52:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_pcnet32_private [2021-12-14 18:52:16,102 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 18:52:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 18:52:16,103 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_restart [2021-12-14 18:52:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_restart [2021-12-14 18:52:16,104 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-14 18:52:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-14 18:52:16,105 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-14 18:52:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-14 18:52:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:52:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:52:16,106 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-14 18:52:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-14 18:52:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:52:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:52:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_csr [2021-12-14 18:52:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_csr [2021-12-14 18:52:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-14 18:52:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-14 18:52:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:52:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:52:16,111 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_reset [2021-12-14 18:52:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_reset [2021-12-14 18:52:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-14 18:52:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-14 18:52:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:52:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:52:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:52:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:52:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:52:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:52:16,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:52:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:52:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_pm_resume [2021-12-14 18:52:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_pm_resume [2021-12-14 18:52:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_check_media [2021-12-14 18:52:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_check_media [2021-12-14 18:52:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_get_regs_len [2021-12-14 18:52:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_get_regs_len [2021-12-14 18:52:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 18:52:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-14 18:52:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-14 18:52:16,113 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_poll_controller [2021-12-14 18:52:16,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_poll_controller [2021-12-14 18:52:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_free_ring [2021-12-14 18:52:16,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_free_ring [2021-12-14 18:52:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:52:16,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:52:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:52:16,114 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:52:16,114 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-12-14 18:52:16,114 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-12-14 18:52:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:52:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:52:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-14 18:52:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-14 18:52:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2021-12-14 18:52:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2021-12-14 18:52:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_purge_rx_ring [2021-12-14 18:52:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_purge_rx_ring [2021-12-14 18:52:16,115 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_write_csr [2021-12-14 18:52:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_write_csr [2021-12-14 18:52:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_tx_timeout [2021-12-14 18:52:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_tx_timeout [2021-12-14 18:52:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:52:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:52:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:52:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_netif_stop [2021-12-14 18:52:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_netif_stop [2021-12-14 18:52:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:52:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:52:16,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:52:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_pcnet32_private [2021-12-14 18:52:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_pcnet32_private [2021-12-14 18:52:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:52:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_csr [2021-12-14 18:52:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_csr [2021-12-14 18:52:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_set_multicast_list [2021-12-14 18:52:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_set_multicast_list [2021-12-14 18:52:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-14 18:52:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-14 18:52:16,117 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:52:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:52:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2021-12-14 18:52:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2021-12-14 18:52:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:52:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:52:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_probe1 [2021-12-14 18:52:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_probe1 [2021-12-14 18:52:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-14 18:52:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-14 18:52:16,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-14 18:52:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-14 18:52:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_remove_one [2021-12-14 18:52:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_remove_one [2021-12-14 18:52:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2021-12-14 18:52:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2021-12-14 18:52:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2021-12-14 18:52:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~~u16~0~TO~VOID [2021-12-14 18:52:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_dwio_read_bcr [2021-12-14 18:52:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_dwio_read_bcr [2021-12-14 18:52:16,119 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-14 18:52:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-14 18:52:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 18:52:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 18:52:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:52:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:52:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_read_bcr [2021-12-14 18:52:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_read_bcr [2021-12-14 18:52:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:52:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:52:16,120 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_init_ring [2021-12-14 18:52:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_init_ring [2021-12-14 18:52:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_close [2021-12-14 18:52:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_close [2021-12-14 18:52:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-14 18:52:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-14 18:52:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:52:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:52:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:52:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_suspend [2021-12-14 18:52:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_suspend [2021-12-14 18:52:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:52:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:52:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:52:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:52:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 18:52:16,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 18:52:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_wio_write_csr [2021-12-14 18:52:16,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_wio_write_csr [2021-12-14 18:52:16,123 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_load_multicast [2021-12-14 18:52:16,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_load_multicast [2021-12-14 18:52:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-14 18:52:16,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-14 18:52:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure pcnet32_nway_reset [2021-12-14 18:52:16,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pcnet32_nway_reset [2021-12-14 18:52:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:52:16,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:52:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 18:52:16,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 18:52:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:52:16,127 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:52:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-14 18:52:16,127 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-14 18:52:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-14 18:52:16,127 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-14 18:52:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:52:16,127 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-14 18:52:16,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-14 18:52:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-14 18:52:16,128 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-14 18:52:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:52:16,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:52:16,128 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-14 18:52:16,128 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-14 18:52:16,843 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:52:16,856 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:52:16,979 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:52:21,477 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:52:21,552 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:52:21,565 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:52:21,566 INFO L301 CfgBuilder]: Removed 7 assume(true) statements. [2021-12-14 18:52:21,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:52:21 BoogieIcfgContainer [2021-12-14 18:52:21,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:52:21,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:52:21,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:52:21,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:52:21,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:52:12" (1/3) ... [2021-12-14 18:52:21,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bd129c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:52:21, skipping insertion in model container [2021-12-14 18:52:21,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:52:15" (2/3) ... [2021-12-14 18:52:21,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bd129c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:52:21, skipping insertion in model container [2021-12-14 18:52:21,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:52:21" (3/3) ... [2021-12-14 18:52:21,575 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-amd-pcnet32.cil.i [2021-12-14 18:52:21,579 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:52:21,579 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:52:21,614 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:52:21,619 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 18:52:21,619 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:52:21,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 2696 states, 1873 states have (on average 1.3027229044313935) internal successors, (2440), 1913 states have internal predecessors, (2440), 700 states have call successors, (700), 125 states have call predecessors, (700), 124 states have return successors, (692), 679 states have call predecessors, (692), 692 states have call successors, (692) [2021-12-14 18:52:21,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-12-14 18:52:21,682 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:52:21,682 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:52:21,683 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:52:21,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:52:21,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1321338375, now seen corresponding path program 1 times [2021-12-14 18:52:21,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:52:21,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565917186] [2021-12-14 18:52:21,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:52:21,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:52:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:52:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:52:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:52:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:52:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:52:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:52:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:52:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:52:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:22,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:52:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:52:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:52:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:52:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:52:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:52:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-14 18:52:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-14 18:52:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:52:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:52:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-14 18:52:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-14 18:52:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:52:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-14 18:52:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-14 18:52:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-14 18:52:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-14 18:52:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-14 18:52:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:22,597 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2021-12-14 18:52:22,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:52:22,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565917186] [2021-12-14 18:52:22,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565917186] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:52:22,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:52:22,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:52:22,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935687904] [2021-12-14 18:52:22,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:52:22,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:52:22,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:52:22,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:52:22,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:52:22,627 INFO L87 Difference]: Start difference. First operand has 2696 states, 1873 states have (on average 1.3027229044313935) internal successors, (2440), 1913 states have internal predecessors, (2440), 700 states have call successors, (700), 125 states have call predecessors, (700), 124 states have return successors, (692), 679 states have call predecessors, (692), 692 states have call successors, (692) Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2021-12-14 18:52:31,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:52:32,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:52:46,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:52:50,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:52:51,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:52:51,209 INFO L93 Difference]: Finished difference Result 8348 states and 12113 transitions. [2021-12-14 18:52:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-14 18:52:51,211 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 258 [2021-12-14 18:52:51,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:52:51,248 INFO L225 Difference]: With dead ends: 8348 [2021-12-14 18:52:51,249 INFO L226 Difference]: Without dead ends: 5488 [2021-12-14 18:52:51,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-14 18:52:51,267 INFO L933 BasicCegarLoop]: 4084 mSDtfsCounter, 8174 mSDsluCounter, 6597 mSDsCounter, 0 mSdLazyCounter, 6396 mSolverCounterSat, 6230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8630 SdHoareTripleChecker+Valid, 10681 SdHoareTripleChecker+Invalid, 12626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6230 IncrementalHoareTripleChecker+Valid, 6396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2021-12-14 18:52:51,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8630 Valid, 10681 Invalid, 12626 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6230 Valid, 6396 Invalid, 0 Unknown, 0 Unchecked, 27.7s Time] [2021-12-14 18:52:51,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5488 states. [2021-12-14 18:52:51,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5488 to 4897. [2021-12-14 18:52:51,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4897 states, 3440 states have (on average 1.2930232558139534) internal successors, (4448), 3509 states have internal predecessors, (4448), 1223 states have call successors, (1223), 233 states have call predecessors, (1223), 233 states have return successors, (1223), 1199 states have call predecessors, (1223), 1223 states have call successors, (1223) [2021-12-14 18:52:51,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4897 states to 4897 states and 6894 transitions. [2021-12-14 18:52:51,540 INFO L78 Accepts]: Start accepts. Automaton has 4897 states and 6894 transitions. Word has length 258 [2021-12-14 18:52:51,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:52:51,543 INFO L470 AbstractCegarLoop]: Abstraction has 4897 states and 6894 transitions. [2021-12-14 18:52:51,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2021-12-14 18:52:51,544 INFO L276 IsEmpty]: Start isEmpty. Operand 4897 states and 6894 transitions. [2021-12-14 18:52:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-12-14 18:52:51,558 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:52:51,558 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:52:51,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:52:51,559 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:52:51,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:52:51,559 INFO L85 PathProgramCache]: Analyzing trace with hash -2085434988, now seen corresponding path program 1 times [2021-12-14 18:52:51,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:52:51,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949926615] [2021-12-14 18:52:51,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:52:51,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:52:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:52:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:52:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:52:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:52:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:52:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:52:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:52:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:52:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:52:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:52:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:52:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:52:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:52:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:52:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 18:52:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-14 18:52:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:52:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:52:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-14 18:52:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:51,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-14 18:52:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:52,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:52:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:52,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:52,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-14 18:52:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:52,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-14 18:52:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:52,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:52:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:52,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:52:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:52,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-14 18:52:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:52,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-14 18:52:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:52:52,061 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2021-12-14 18:52:52,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:52:52,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949926615] [2021-12-14 18:52:52,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949926615] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:52:52,062 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:52:52,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:52:52,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82326189] [2021-12-14 18:52:52,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:52:52,064 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:52:52,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:52:52,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:52:52,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:52:52,065 INFO L87 Difference]: Start difference. First operand 4897 states and 6894 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2021-12-14 18:53:01,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:53:03,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:53:11,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:53:12,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:53:12,088 INFO L93 Difference]: Finished difference Result 14268 states and 20172 transitions. [2021-12-14 18:53:12,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-14 18:53:12,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) Word has length 268 [2021-12-14 18:53:12,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:53:12,136 INFO L225 Difference]: With dead ends: 14268 [2021-12-14 18:53:12,137 INFO L226 Difference]: Without dead ends: 9402 [2021-12-14 18:53:12,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-14 18:53:12,156 INFO L933 BasicCegarLoop]: 3464 mSDtfsCounter, 7889 mSDsluCounter, 6007 mSDsCounter, 0 mSdLazyCounter, 5534 mSolverCounterSat, 5896 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8204 SdHoareTripleChecker+Valid, 9471 SdHoareTripleChecker+Invalid, 11431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5896 IncrementalHoareTripleChecker+Valid, 5534 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:53:12,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8204 Valid, 9471 Invalid, 11431 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5896 Valid, 5534 Invalid, 1 Unknown, 0 Unchecked, 19.3s Time] [2021-12-14 18:53:12,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9402 states. [2021-12-14 18:53:12,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9402 to 8348. [2021-12-14 18:53:12,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8348 states, 5865 states have (on average 1.29462915601023) internal successors, (7593), 5977 states have internal predecessors, (7593), 2035 states have call successors, (2035), 438 states have call predecessors, (2035), 447 states have return successors, (2059), 1992 states have call predecessors, (2059), 2035 states have call successors, (2059) [2021-12-14 18:53:12,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8348 states to 8348 states and 11687 transitions. [2021-12-14 18:53:12,526 INFO L78 Accepts]: Start accepts. Automaton has 8348 states and 11687 transitions. Word has length 268 [2021-12-14 18:53:12,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:53:12,526 INFO L470 AbstractCegarLoop]: Abstraction has 8348 states and 11687 transitions. [2021-12-14 18:53:12,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 4 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (29), 3 states have call predecessors, (29), 4 states have call successors, (29) [2021-12-14 18:53:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 8348 states and 11687 transitions. [2021-12-14 18:53:12,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-12-14 18:53:12,537 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:53:12,537 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:53:12,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:53:12,537 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:53:12,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:53:12,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1315752397, now seen corresponding path program 1 times [2021-12-14 18:53:12,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:53:12,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677493372] [2021-12-14 18:53:12,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:53:12,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:53:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:53:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:53:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:53:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:53:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:53:12,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:53:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:53:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:53:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:12,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:53:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:53:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:53:12,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:53:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:53:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-14 18:53:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:53:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-14 18:53:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:53:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-14 18:53:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-14 18:53:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-14 18:53:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-14 18:53:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-14 18:53:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-14 18:53:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-14 18:53:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-14 18:53:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-14 18:53:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-14 18:53:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:53:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:12,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:13,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-14 18:53:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:13,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-14 18:53:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:13,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-14 18:53:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:13,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:53:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:13,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-14 18:53:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:13,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-14 18:53:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:53:13,043 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2021-12-14 18:53:13,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:53:13,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677493372] [2021-12-14 18:53:13,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677493372] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:53:13,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:53:13,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:53:13,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993439557] [2021-12-14 18:53:13,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:53:13,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:53:13,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:53:13,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:53:13,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:53:13,047 INFO L87 Difference]: Start difference. First operand 8348 states and 11687 transitions. Second operand has 6 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (37), 3 states have call predecessors, (37), 4 states have call successors, (37)