./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.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 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:54:24,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:54:24,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:54:24,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:54:24,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:54:24,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:54:24,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:54:24,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:54:24,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:54:24,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:54:24,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:54:24,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:54:24,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:54:24,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:54:24,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:54:24,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:54:24,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:54:24,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:54:24,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:54:24,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:54:24,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:54:24,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:54:24,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:54:24,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:54:24,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:54:24,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:54:24,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:54:24,196 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:54:24,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:54:24,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:54:24,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:54:24,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:54:24,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:54:24,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:54:24,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:54:24,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:54:24,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:54:24,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:54:24,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:54:24,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:54:24,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:54:24,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:54:24,241 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:54:24,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:54:24,243 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:54:24,243 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:54:24,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:54:24,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:54:24,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:54:24,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:54:24,244 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:54:24,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:54:24,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:54:24,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:54:24,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:54:24,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:54:24,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:54:24,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:54:24,247 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:54:24,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:54:24,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:54:24,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:54:24,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:54:24,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:54:24,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:54:24,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:54:24,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:54:24,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:54:24,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:54:24,249 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:54:24,249 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:54:24,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:54:24,249 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:54:24,250 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2021-12-21 16:54:24,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:54:24,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:54:24,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:54:24,491 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:54:24,491 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:54:24,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-12-21 16:54:24,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a20e6f3/93e5305f83dc4013bc780f40885d3d3c/FLAG20c7cf3a1 [2021-12-21 16:54:25,318 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:54:25,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-12-21 16:54:25,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a20e6f3/93e5305f83dc4013bc780f40885d3d3c/FLAG20c7cf3a1 [2021-12-21 16:54:25,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a20e6f3/93e5305f83dc4013bc780f40885d3d3c [2021-12-21 16:54:25,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:54:25,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:54:25,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:54:25,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:54:25,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:54:25,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:54:25" (1/1) ... [2021-12-21 16:54:25,592 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3276521b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:25, skipping insertion in model container [2021-12-21 16:54:25,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:54:25" (1/1) ... [2021-12-21 16:54:25,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:54:25,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:54:29,229 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2021-12-21 16:54:29,235 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2021-12-21 16:54:29,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:54:29,321 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:54:29,734 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2021-12-21 16:54:29,735 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2021-12-21 16:54:29,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:54:29,931 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:54:29,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:29 WrapperNode [2021-12-21 16:54:29,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:54:29,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:54:29,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:54:29,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:54:29,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:29" (1/1) ... [2021-12-21 16:54:30,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:29" (1/1) ... [2021-12-21 16:54:30,320 INFO L137 Inliner]: procedures = 543, calls = 4199, calls flagged for inlining = 248, calls inlined = 232, statements flattened = 8662 [2021-12-21 16:54:30,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:54:30,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:54:30,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:54:30,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:54:30,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:29" (1/1) ... [2021-12-21 16:54:30,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:29" (1/1) ... [2021-12-21 16:54:30,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:29" (1/1) ... [2021-12-21 16:54:30,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:29" (1/1) ... [2021-12-21 16:54:30,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:29" (1/1) ... [2021-12-21 16:54:30,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:29" (1/1) ... [2021-12-21 16:54:30,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:29" (1/1) ... [2021-12-21 16:54:30,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:54:30,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:54:30,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:54:30,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:54:30,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:29" (1/1) ... [2021-12-21 16:54:30,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:54:30,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:54:30,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:54:30,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:54:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2021-12-21 16:54:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2021-12-21 16:54:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2021-12-21 16:54:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2021-12-21 16:54:30,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:54:30,772 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:54:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 16:54:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 16:54:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:54:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:54:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-12-21 16:54:30,773 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-12-21 16:54:30,773 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2021-12-21 16:54:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2021-12-21 16:54:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-21 16:54:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-21 16:54:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2021-12-21 16:54:30,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2021-12-21 16:54:30,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-12-21 16:54:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-12-21 16:54:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2021-12-21 16:54:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2021-12-21 16:54:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2021-12-21 16:54:30,775 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2021-12-21 16:54:30,775 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 16:54:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 16:54:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2021-12-21 16:54:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2021-12-21 16:54:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:54:30,776 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:54:30,776 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2021-12-21 16:54:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2021-12-21 16:54:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-12-21 16:54:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-12-21 16:54:30,777 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-12-21 16:54:30,777 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-12-21 16:54:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-21 16:54:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-21 16:54:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2021-12-21 16:54:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2021-12-21 16:54:30,778 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-21 16:54:30,778 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-21 16:54:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 16:54:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 16:54:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-12-21 16:54:30,779 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-12-21 16:54:30,779 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-12-21 16:54:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-12-21 16:54:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 16:54:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 16:54:30,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 16:54:30,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 16:54:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-12-21 16:54:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2021-12-21 16:54:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2021-12-21 16:54:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:54:30,781 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-12-21 16:54:30,781 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-12-21 16:54:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-21 16:54:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-21 16:54:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-21 16:54:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-21 16:54:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2021-12-21 16:54:30,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2021-12-21 16:54:30,782 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 16:54:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 16:54:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:54:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-21 16:54:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-21 16:54:30,783 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2021-12-21 16:54:30,783 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2021-12-21 16:54:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2021-12-21 16:54:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2021-12-21 16:54:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 16:54:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 16:54:30,784 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:54:30,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:54:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-21 16:54:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-12-21 16:54:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:54:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 16:54:30,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 16:54:30,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:54:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 16:54:30,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 16:54:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:54:30,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:54:30,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-21 16:54:30,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-21 16:54:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-21 16:54:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-21 16:54:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2021-12-21 16:54:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2021-12-21 16:54:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 16:54:30,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 16:54:30,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 16:54:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 16:54:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-12-21 16:54:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-12-21 16:54:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 16:54:30,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 16:54:30,788 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-21 16:54:30,789 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-21 16:54:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2021-12-21 16:54:30,789 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2021-12-21 16:54:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-21 16:54:30,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-21 16:54:30,789 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2021-12-21 16:54:30,789 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2021-12-21 16:54:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:54:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-21 16:54:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-21 16:54:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-21 16:54:30,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-21 16:54:30,790 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2021-12-21 16:54:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2021-12-21 16:54:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:54:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2021-12-21 16:54:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2021-12-21 16:54:30,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 16:54:30,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 16:54:30,796 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:54:30,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:54:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:54:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:54:30,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:54:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2021-12-21 16:54:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2021-12-21 16:54:30,801 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-21 16:54:30,801 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-21 16:54:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:54:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 16:54:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-21 16:54:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-21 16:54:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-21 16:54:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-21 16:54:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2021-12-21 16:54:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2021-12-21 16:54:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2021-12-21 16:54:30,802 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2021-12-21 16:54:30,802 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2021-12-21 16:54:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2021-12-21 16:54:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-21 16:54:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-21 16:54:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-12-21 16:54:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-12-21 16:54:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 16:54:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 16:54:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2021-12-21 16:54:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2021-12-21 16:54:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-21 16:54:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-21 16:54:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-21 16:54:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-21 16:54:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2021-12-21 16:54:30,803 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2021-12-21 16:54:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2021-12-21 16:54:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2021-12-21 16:54:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:54:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:54:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2021-12-21 16:54:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2021-12-21 16:54:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-21 16:54:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-21 16:54:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-12-21 16:54:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-12-21 16:54:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:54:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:54:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:54:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:54:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2021-12-21 16:54:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2021-12-21 16:54:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-21 16:54:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-21 16:54:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2021-12-21 16:54:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2021-12-21 16:54:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2021-12-21 16:54:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2021-12-21 16:54:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-21 16:54:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-21 16:54:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-12-21 16:54:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-12-21 16:54:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2021-12-21 16:54:30,805 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2021-12-21 16:54:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-12-21 16:54:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-12-21 16:54:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2021-12-21 16:54:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2021-12-21 16:54:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-12-21 16:54:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-12-21 16:54:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:54:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:54:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2021-12-21 16:54:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2021-12-21 16:54:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 16:54:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 16:54:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-12-21 16:54:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-12-21 16:54:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-21 16:54:30,806 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-21 16:54:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2021-12-21 16:54:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2021-12-21 16:54:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2021-12-21 16:54:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2021-12-21 16:54:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-21 16:54:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-21 16:54:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2021-12-21 16:54:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2021-12-21 16:54:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:54:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2021-12-21 16:54:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2021-12-21 16:54:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-12-21 16:54:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-12-21 16:54:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-12-21 16:54:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-12-21 16:54:30,808 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2021-12-21 16:54:30,808 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2021-12-21 16:54:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:54:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-12-21 16:54:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-12-21 16:54:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-12-21 16:54:30,809 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-12-21 16:54:30,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-12-21 16:54:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~int [2021-12-21 16:54:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:54:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-21 16:54:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-21 16:54:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2021-12-21 16:54:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2021-12-21 16:54:30,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 16:54:30,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 16:54:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-21 16:54:30,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-21 16:54:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2021-12-21 16:54:30,811 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2021-12-21 16:54:30,811 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-12-21 16:54:30,811 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-12-21 16:54:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 16:54:30,812 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 16:54:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-21 16:54:30,812 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-21 16:54:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-21 16:54:30,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-21 16:54:30,812 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-12-21 16:54:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-12-21 16:54:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 16:54:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 16:54:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-21 16:54:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-21 16:54:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2021-12-21 16:54:30,813 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2021-12-21 16:54:30,813 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2021-12-21 16:54:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2021-12-21 16:54:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2021-12-21 16:54:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2021-12-21 16:54:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-12-21 16:54:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-12-21 16:54:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-21 16:54:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-21 16:54:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-21 16:54:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-21 16:54:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 16:54:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 16:54:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-12-21 16:54:30,815 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-12-21 16:54:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-21 16:54:30,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-21 16:54:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2021-12-21 16:54:30,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2021-12-21 16:54:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:54:30,816 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2021-12-21 16:54:30,816 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2021-12-21 16:54:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:54:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:54:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2021-12-21 16:54:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2021-12-21 16:54:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 16:54:30,817 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 16:54:30,817 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2021-12-21 16:54:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2021-12-21 16:54:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-21 16:54:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-21 16:54:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2021-12-21 16:54:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2021-12-21 16:54:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2021-12-21 16:54:30,818 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2021-12-21 16:54:30,818 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-12-21 16:54:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-12-21 16:54:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2021-12-21 16:54:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2021-12-21 16:54:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-12-21 16:54:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-12-21 16:54:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 16:54:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 16:54:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2021-12-21 16:54:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2021-12-21 16:54:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2021-12-21 16:54:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2021-12-21 16:54:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2021-12-21 16:54:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2021-12-21 16:54:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2021-12-21 16:54:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2021-12-21 16:54:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2021-12-21 16:54:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2021-12-21 16:54:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-12-21 16:54:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-12-21 16:54:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-21 16:54:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-21 16:54:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2021-12-21 16:54:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2021-12-21 16:54:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2021-12-21 16:54:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2021-12-21 16:54:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-21 16:54:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-21 16:54:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2021-12-21 16:54:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2021-12-21 16:54:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2021-12-21 16:54:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2021-12-21 16:54:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2021-12-21 16:54:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2021-12-21 16:54:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:54:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 16:54:30,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 16:54:30,824 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-21 16:54:31,986 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:54:31,989 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:54:32,306 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:54:45,410 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-21 16:54:45,646 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:54:45,687 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:54:45,687 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-12-21 16:54:45,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:54:45 BoogieIcfgContainer [2021-12-21 16:54:45,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:54:45,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:54:45,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:54:45,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:54:45,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:54:25" (1/3) ... [2021-12-21 16:54:45,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@239c7dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:54:45, skipping insertion in model container [2021-12-21 16:54:45,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:54:29" (2/3) ... [2021-12-21 16:54:45,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@239c7dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:54:45, skipping insertion in model container [2021-12-21 16:54:45,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:54:45" (3/3) ... [2021-12-21 16:54:45,700 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-12-21 16:54:45,704 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:54:45,704 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:54:45,760 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:54:45,765 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:54:45,765 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:54:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 3966 states, 2832 states have (on average 1.3555790960451977) internal successors, (3839), 2892 states have internal predecessors, (3839), 997 states have call successors, (997), 153 states have call predecessors, (997), 152 states have return successors, (990), 976 states have call predecessors, (990), 990 states have call successors, (990) [2021-12-21 16:54:45,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-21 16:54:45,866 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:54:45,867 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 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] [2021-12-21 16:54:45,868 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:54:45,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:54:45,872 INFO L85 PathProgramCache]: Analyzing trace with hash 16642567, now seen corresponding path program 1 times [2021-12-21 16:54:45,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:54:45,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015473988] [2021-12-21 16:54:45,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:54:45,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:54:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:54:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:54:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:54:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 16:54:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 16:54:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:54:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:54:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:46,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:54:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 16:54:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 16:54:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 16:54:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 16:54:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:46,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 16:54:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:54:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 16:54:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:54:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 16:54:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-21 16:54:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-21 16:54:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-21 16:54:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:54:46,933 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2021-12-21 16:54:46,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:54:46,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015473988] [2021-12-21 16:54:46,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015473988] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:54:46,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:54:46,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 16:54:46,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329534704] [2021-12-21 16:54:46,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:54:46,944 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 16:54:46,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:54:46,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 16:54:46,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 16:54:46,981 INFO L87 Difference]: Start difference. First operand has 3966 states, 2832 states have (on average 1.3555790960451977) internal successors, (3839), 2892 states have internal predecessors, (3839), 997 states have call successors, (997), 153 states have call predecessors, (997), 152 states have return successors, (990), 976 states have call predecessors, (990), 990 states have call successors, (990) Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-21 16:54:48,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:54:50,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:55:01,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:55:01,251 INFO L93 Difference]: Finished difference Result 11269 states and 16889 transitions. [2021-12-21 16:55:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 16:55:01,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 224 [2021-12-21 16:55:01,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:55:01,334 INFO L225 Difference]: With dead ends: 11269 [2021-12-21 16:55:01,334 INFO L226 Difference]: Without dead ends: 7275 [2021-12-21 16:55:01,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:55:01,378 INFO L933 BasicCegarLoop]: 5292 mSDtfsCounter, 8075 mSDsluCounter, 4833 mSDsCounter, 0 mSdLazyCounter, 4300 mSolverCounterSat, 3698 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8839 SdHoareTripleChecker+Valid, 10125 SdHoareTripleChecker+Invalid, 7998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3698 IncrementalHoareTripleChecker+Valid, 4300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-12-21 16:55:01,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8839 Valid, 10125 Invalid, 7998 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3698 Valid, 4300 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2021-12-21 16:55:01,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7275 states. [2021-12-21 16:55:01,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7275 to 6936. [2021-12-21 16:55:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6936 states, 4938 states have (on average 1.3529769137302552) internal successors, (6681), 5017 states have internal predecessors, (6681), 1720 states have call successors, (1720), 277 states have call predecessors, (1720), 277 states have return successors, (1720), 1694 states have call predecessors, (1720), 1720 states have call successors, (1720) [2021-12-21 16:55:02,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6936 states to 6936 states and 10121 transitions. [2021-12-21 16:55:02,010 INFO L78 Accepts]: Start accepts. Automaton has 6936 states and 10121 transitions. Word has length 224 [2021-12-21 16:55:02,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:55:02,014 INFO L470 AbstractCegarLoop]: Abstraction has 6936 states and 10121 transitions. [2021-12-21 16:55:02,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-21 16:55:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand 6936 states and 10121 transitions. [2021-12-21 16:55:02,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-12-21 16:55:02,037 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:55:02,037 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:55:02,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:55:02,038 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:55:02,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:55:02,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1934207379, now seen corresponding path program 1 times [2021-12-21 16:55:02,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:55:02,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629840950] [2021-12-21 16:55:02,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:55:02,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:55:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 16:55:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 16:55:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 16:55:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 16:55:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 16:55:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 16:55:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 16:55:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 16:55:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 16:55:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 16:55:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 16:55:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 16:55:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 16:55:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:55:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 16:55:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:55:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-21 16:55:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-21 16:55:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-21 16:55:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-21 16:55:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-21 16:55:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-21 16:55:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-21 16:55:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-12-21 16:55:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:55:02,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2021-12-21 16:55:02,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:55:02,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629840950] [2021-12-21 16:55:02,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629840950] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:55:02,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:55:02,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 16:55:02,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286169827] [2021-12-21 16:55:02,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:55:02,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 16:55:02,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:55:02,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 16:55:02,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 16:55:02,591 INFO L87 Difference]: Start difference. First operand 6936 states and 10121 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-12-21 16:55:04,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:55:06,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:55:16,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:55:16,260 INFO L93 Difference]: Finished difference Result 21324 states and 31129 transitions. [2021-12-21 16:55:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 16:55:16,260 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 264 [2021-12-21 16:55:16,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted.