/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:47:55,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:47:55,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:47:55,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:47:55,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:47:55,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:47:55,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:47:55,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:47:55,332 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:47:55,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:47:55,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:47:55,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:47:55,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:47:55,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:47:55,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:47:55,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:47:55,340 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:47:55,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:47:55,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:47:55,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:47:55,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:47:55,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:47:55,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:47:55,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:47:55,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:47:55,352 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:47:55,352 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:47:55,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:47:55,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:47:55,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:47:55,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:47:55,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:47:55,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:47:55,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:47:55,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:47:55,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:47:55,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:47:55,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:47:55,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:47:55,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:47:55,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:47:55,364 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-07-21 12:47:55,386 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:47:55,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:47:55,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:47:55,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:47:55,389 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:47:55,390 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:47:55,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:47:55,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:47:55,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:47:55,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:47:55,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:47:55,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:47:55,392 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:47:55,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:47:55,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:47:55,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:47:55,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:47:55,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:47:55,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:47:55,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:47:55,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:47:55,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:47:55,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:47:55,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:47:55,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:47:55,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:47:55,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-21 12:47:55,395 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 12:47:55,684 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:47:55,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:47:55,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:47:55,703 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:47:55,704 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:47:55,704 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-07-21 12:47:55,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a00881967/6aece51e63ad4ce88d29327d1bbb311f/FLAGdcad0fc7f [2020-07-21 12:47:56,566 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:47:56,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-07-21 12:47:56,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a00881967/6aece51e63ad4ce88d29327d1bbb311f/FLAGdcad0fc7f [2020-07-21 12:47:56,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a00881967/6aece51e63ad4ce88d29327d1bbb311f [2020-07-21 12:47:56,688 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:47:56,690 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:47:56,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:47:56,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:47:56,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:47:56,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:47:56" (1/1) ... [2020-07-21 12:47:56,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d542363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:47:56, skipping insertion in model container [2020-07-21 12:47:56,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:47:56" (1/1) ... [2020-07-21 12:47:56,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:47:56,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:47:58,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:47:58,083 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:47:58,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:47:58,406 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:47:58,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:47:58 WrapperNode [2020-07-21 12:47:58,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:47:58,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:47:58,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:47:58,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:47:58,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:47:58" (1/1) ... [2020-07-21 12:47:58,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:47:58" (1/1) ... [2020-07-21 12:47:58,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:47:58" (1/1) ... [2020-07-21 12:47:58,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:47:58" (1/1) ... [2020-07-21 12:47:58,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:47:58" (1/1) ... [2020-07-21 12:47:58,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:47:58" (1/1) ... [2020-07-21 12:47:58,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:47:58" (1/1) ... [2020-07-21 12:47:58,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:47:58,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:47:58,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:47:58,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:47:58,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:47:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:47:58,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:47:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:47:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-07-21 12:47:58,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-07-21 12:47:58,775 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-07-21 12:47:58,775 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-07-21 12:47:58,776 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-07-21 12:47:58,776 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-07-21 12:47:58,776 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-07-21 12:47:58,776 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-07-21 12:47:58,777 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-07-21 12:47:58,777 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-07-21 12:47:58,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-07-21 12:47:58,777 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-07-21 12:47:58,778 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-21 12:47:58,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-07-21 12:47:58,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-07-21 12:47:58,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-07-21 12:47:58,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-07-21 12:47:58,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-07-21 12:47:58,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-07-21 12:47:58,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-07-21 12:47:58,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-07-21 12:47:58,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-07-21 12:47:58,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-07-21 12:47:58,782 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-07-21 12:47:58,782 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-07-21 12:47:58,783 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-07-21 12:47:58,783 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-07-21 12:47:58,783 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-07-21 12:47:58,783 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-07-21 12:47:58,783 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-07-21 12:47:58,783 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-07-21 12:47:58,784 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-07-21 12:47:58,784 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-07-21 12:47:58,784 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-07-21 12:47:58,784 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-07-21 12:47:58,784 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-07-21 12:47:58,785 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-07-21 12:47:58,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-07-21 12:47:58,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-07-21 12:47:58,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-07-21 12:47:58,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:47:58,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-07-21 12:47:58,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-07-21 12:47:58,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-07-21 12:47:58,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-07-21 12:47:58,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-07-21 12:47:58,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-07-21 12:47:58,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-07-21 12:47:58,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-07-21 12:47:58,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-07-21 12:47:58,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-07-21 12:47:58,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-07-21 12:47:58,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-07-21 12:47:58,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-07-21 12:47:58,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-07-21 12:47:58,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-07-21 12:47:58,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-07-21 12:47:58,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-07-21 12:47:58,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-07-21 12:47:58,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-07-21 12:47:58,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-07-21 12:47:58,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-07-21 12:47:58,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-07-21 12:47:58,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-07-21 12:47:58,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-07-21 12:47:58,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-07-21 12:47:58,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-07-21 12:47:58,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-07-21 12:47:58,791 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-07-21 12:47:58,791 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-07-21 12:47:58,791 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-07-21 12:47:58,791 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-07-21 12:47:58,792 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-07-21 12:47:58,792 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-07-21 12:47:58,792 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-07-21 12:47:58,792 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-07-21 12:47:58,792 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-07-21 12:47:58,793 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-07-21 12:47:58,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-07-21 12:47:58,793 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-07-21 12:47:58,794 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-07-21 12:47:58,794 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-07-21 12:47:58,794 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-07-21 12:47:58,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-07-21 12:47:58,795 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-07-21 12:47:58,796 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-21 12:47:58,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-21 12:47:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:47:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-07-21 12:47:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-07-21 12:47:58,796 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-07-21 12:47:58,797 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-07-21 12:47:58,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:47:58,797 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-07-21 12:47:58,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-07-21 12:47:58,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-07-21 12:47:58,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-07-21 12:47:58,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-07-21 12:47:58,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-07-21 12:47:58,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-07-21 12:47:58,798 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-07-21 12:47:58,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-07-21 12:47:58,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:47:58,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-07-21 12:47:58,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-07-21 12:47:58,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-07-21 12:47:58,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:47:58,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-07-21 12:47:58,799 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-07-21 12:47:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-07-21 12:47:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-07-21 12:47:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-07-21 12:47:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:47:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-07-21 12:47:58,800 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-07-21 12:47:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-07-21 12:47:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-07-21 12:47:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-07-21 12:47:58,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-07-21 12:47:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:47:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-21 12:47:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:47:58,802 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-07-21 12:47:58,803 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-21 12:47:58,803 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-21 12:47:58,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-07-21 12:47:58,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:47:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-21 12:47:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-07-21 12:47:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-07-21 12:47:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-07-21 12:47:58,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-07-21 12:47:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-07-21 12:47:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-07-21 12:47:58,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-07-21 12:47:58,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-07-21 12:47:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-07-21 12:47:58,809 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-07-21 12:47:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-07-21 12:47:58,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-07-21 12:47:58,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-07-21 12:47:58,811 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-07-21 12:47:58,812 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-07-21 12:47:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-07-21 12:47:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-07-21 12:47:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-07-21 12:47:58,818 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-07-21 12:47:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-07-21 12:47:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-07-21 12:47:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-07-21 12:47:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-07-21 12:47:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-07-21 12:47:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-07-21 12:47:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-07-21 12:47:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-07-21 12:47:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:47:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-07-21 12:47:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-07-21 12:47:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-07-21 12:47:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-07-21 12:47:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-07-21 12:47:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-07-21 12:47:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-07-21 12:47:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-07-21 12:47:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-07-21 12:47:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:47:58,822 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-07-21 12:47:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-07-21 12:47:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-07-21 12:47:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-07-21 12:47:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-07-21 12:47:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-07-21 12:47:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-07-21 12:47:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:47:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-07-21 12:47:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-07-21 12:47:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-07-21 12:47:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-07-21 12:47:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-07-21 12:47:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-07-21 12:47:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-07-21 12:47:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-07-21 12:47:58,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-07-21 12:47:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-07-21 12:47:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-07-21 12:47:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-07-21 12:47:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-21 12:47:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:47:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-21 12:47:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:47:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-21 12:47:58,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:47:59,446 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-07-21 12:48:00,282 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:48:00,283 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-21 12:48:00,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:48:00 BoogieIcfgContainer [2020-07-21 12:48:00,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:48:00,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:48:00,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:48:00,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:48:00,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:47:56" (1/3) ... [2020-07-21 12:48:00,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a445ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:48:00, skipping insertion in model container [2020-07-21 12:48:00,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:47:58" (2/3) ... [2020-07-21 12:48:00,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a445ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:48:00, skipping insertion in model container [2020-07-21 12:48:00,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:48:00" (3/3) ... [2020-07-21 12:48:00,299 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-07-21 12:48:00,309 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:48:00,318 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:48:00,333 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:48:00,361 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:48:00,361 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:48:00,361 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:48:00,361 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:48:00,361 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:48:00,361 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:48:00,362 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:48:00,362 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:48:00,395 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states. [2020-07-21 12:48:00,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-21 12:48:00,406 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:48:00,407 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:48:00,408 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:48:00,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:48:00,413 INFO L82 PathProgramCache]: Analyzing trace with hash 856791813, now seen corresponding path program 1 times [2020-07-21 12:48:00,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:48:00,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210532123] [2020-07-21 12:48:00,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:48:00,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:48:00,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:48:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:48:00,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:48:00,862 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210532123] [2020-07-21 12:48:00,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:48:00,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:48:00,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605501343] [2020-07-21 12:48:00,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:48:00,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:48:00,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:48:00,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:48:00,894 INFO L87 Difference]: Start difference. First operand 477 states. Second operand 3 states. [2020-07-21 12:48:01,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:48:01,048 INFO L93 Difference]: Finished difference Result 1102 states and 1417 transitions. [2020-07-21 12:48:01,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:48:01,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-07-21 12:48:01,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:48:01,075 INFO L225 Difference]: With dead ends: 1102 [2020-07-21 12:48:01,076 INFO L226 Difference]: Without dead ends: 703 [2020-07-21 12:48:01,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:48:01,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2020-07-21 12:48:01,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 703. [2020-07-21 12:48:01,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2020-07-21 12:48:01,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 845 transitions. [2020-07-21 12:48:01,211 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 845 transitions. Word has length 54 [2020-07-21 12:48:01,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:48:01,212 INFO L479 AbstractCegarLoop]: Abstraction has 703 states and 845 transitions. [2020-07-21 12:48:01,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:48:01,212 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 845 transitions. [2020-07-21 12:48:01,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-21 12:48:01,217 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:48:01,217 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:48:01,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:01,431 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:48:01,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:48:01,432 INFO L82 PathProgramCache]: Analyzing trace with hash 226580861, now seen corresponding path program 1 times [2020-07-21 12:48:01,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:48:01,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628584491] [2020-07-21 12:48:01,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:48:01,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 12:48:01,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:48:01,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:48:01,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:48:01,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628584491] [2020-07-21 12:48:01,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:48:01,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:48:01,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047548943] [2020-07-21 12:48:01,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:48:01,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:48:01,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:48:01,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:48:01,883 INFO L87 Difference]: Start difference. First operand 703 states and 845 transitions. Second operand 6 states. [2020-07-21 12:48:02,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:48:02,417 INFO L93 Difference]: Finished difference Result 2074 states and 2561 transitions. [2020-07-21 12:48:02,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:48:02,418 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-07-21 12:48:02,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:48:02,428 INFO L225 Difference]: With dead ends: 2074 [2020-07-21 12:48:02,428 INFO L226 Difference]: Without dead ends: 1371 [2020-07-21 12:48:02,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:48:02,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2020-07-21 12:48:02,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1363. [2020-07-21 12:48:02,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1363 states. [2020-07-21 12:48:02,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1684 transitions. [2020-07-21 12:48:02,590 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1684 transitions. Word has length 58 [2020-07-21 12:48:02,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:48:02,590 INFO L479 AbstractCegarLoop]: Abstraction has 1363 states and 1684 transitions. [2020-07-21 12:48:02,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:48:02,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1684 transitions. [2020-07-21 12:48:02,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-21 12:48:02,596 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:48:02,597 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-07-21 12:48:02,797 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:02,798 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:48:02,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:48:02,798 INFO L82 PathProgramCache]: Analyzing trace with hash 61794125, now seen corresponding path program 1 times [2020-07-21 12:48:02,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:48:02,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253271668] [2020-07-21 12:48:02,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:48:03,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:48:03,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:48:03,067 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-21 12:48:03,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:48:03,068 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253271668] [2020-07-21 12:48:03,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:48:03,068 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:48:03,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595043060] [2020-07-21 12:48:03,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:48:03,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:48:03,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:48:03,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:48:03,070 INFO L87 Difference]: Start difference. First operand 1363 states and 1684 transitions. Second operand 3 states. [2020-07-21 12:48:03,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:48:03,205 INFO L93 Difference]: Finished difference Result 2877 states and 3600 transitions. [2020-07-21 12:48:03,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:48:03,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-07-21 12:48:03,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:48:03,215 INFO L225 Difference]: With dead ends: 2877 [2020-07-21 12:48:03,216 INFO L226 Difference]: Without dead ends: 1530 [2020-07-21 12:48:03,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:48:03,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2020-07-21 12:48:03,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1483. [2020-07-21 12:48:03,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1483 states. [2020-07-21 12:48:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 1843 transitions. [2020-07-21 12:48:03,318 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 1843 transitions. Word has length 100 [2020-07-21 12:48:03,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:48:03,319 INFO L479 AbstractCegarLoop]: Abstraction has 1483 states and 1843 transitions. [2020-07-21 12:48:03,319 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:48:03,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1843 transitions. [2020-07-21 12:48:03,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-21 12:48:03,324 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:48:03,324 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 12:48:03,537 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:03,538 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:48:03,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:48:03,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1453768121, now seen corresponding path program 1 times [2020-07-21 12:48:03,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:48:03,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [577192677] [2020-07-21 12:48:03,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:48:03,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:48:03,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:48:03,923 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-21 12:48:03,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:48:03,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [577192677] [2020-07-21 12:48:03,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:48:03,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:48:03,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992024155] [2020-07-21 12:48:03,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:48:03,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:48:03,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:48:03,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:48:03,925 INFO L87 Difference]: Start difference. First operand 1483 states and 1843 transitions. Second operand 3 states. [2020-07-21 12:48:04,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:48:04,079 INFO L93 Difference]: Finished difference Result 4129 states and 5124 transitions. [2020-07-21 12:48:04,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:48:04,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-07-21 12:48:04,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:48:04,096 INFO L225 Difference]: With dead ends: 4129 [2020-07-21 12:48:04,096 INFO L226 Difference]: Without dead ends: 2676 [2020-07-21 12:48:04,102 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:48:04,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2020-07-21 12:48:04,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2657. [2020-07-21 12:48:04,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2657 states. [2020-07-21 12:48:04,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2657 states and 3277 transitions. [2020-07-21 12:48:04,222 INFO L78 Accepts]: Start accepts. Automaton has 2657 states and 3277 transitions. Word has length 150 [2020-07-21 12:48:04,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:48:04,222 INFO L479 AbstractCegarLoop]: Abstraction has 2657 states and 3277 transitions. [2020-07-21 12:48:04,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:48:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3277 transitions. [2020-07-21 12:48:04,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-21 12:48:04,229 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:48:04,229 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 12:48:04,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:04,443 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:48:04,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:48:04,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1808070535, now seen corresponding path program 1 times [2020-07-21 12:48:04,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:48:04,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [638471315] [2020-07-21 12:48:04,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:48:04,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 12:48:04,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:48:04,801 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-07-21 12:48:04,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:48:04,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [638471315] [2020-07-21 12:48:04,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:48:04,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:48:04,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098603962] [2020-07-21 12:48:04,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:48:04,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:48:04,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:48:04,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:48:04,804 INFO L87 Difference]: Start difference. First operand 2657 states and 3277 transitions. Second operand 3 states. [2020-07-21 12:48:04,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:48:04,881 INFO L93 Difference]: Finished difference Result 4018 states and 5069 transitions. [2020-07-21 12:48:04,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:48:04,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-07-21 12:48:04,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:48:04,896 INFO L225 Difference]: With dead ends: 4018 [2020-07-21 12:48:04,896 INFO L226 Difference]: Without dead ends: 2673 [2020-07-21 12:48:04,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:48:04,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2673 states. [2020-07-21 12:48:05,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2673 to 2673. [2020-07-21 12:48:05,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2673 states. [2020-07-21 12:48:05,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2673 states and 3297 transitions. [2020-07-21 12:48:05,019 INFO L78 Accepts]: Start accepts. Automaton has 2673 states and 3297 transitions. Word has length 150 [2020-07-21 12:48:05,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:48:05,019 INFO L479 AbstractCegarLoop]: Abstraction has 2673 states and 3297 transitions. [2020-07-21 12:48:05,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:48:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 3297 transitions. [2020-07-21 12:48:05,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-21 12:48:05,025 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:48:05,025 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 12:48:05,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:05,239 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:48:05,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:48:05,239 INFO L82 PathProgramCache]: Analyzing trace with hash 464652536, now seen corresponding path program 1 times [2020-07-21 12:48:05,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:48:05,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1752692502] [2020-07-21 12:48:05,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:48:05,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 12:48:05,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:48:05,580 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-21 12:48:05,580 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:48:05,929 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:05,973 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:05,997 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:06,002 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:06,130 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-07-21 12:48:06,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1752692502] [2020-07-21 12:48:06,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 12:48:06,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2020-07-21 12:48:06,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097249171] [2020-07-21 12:48:06,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:48:06,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:48:06,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:48:06,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:48:06,133 INFO L87 Difference]: Start difference. First operand 2673 states and 3297 transitions. Second operand 6 states. [2020-07-21 12:48:08,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:48:08,002 INFO L93 Difference]: Finished difference Result 5692 states and 7128 transitions. [2020-07-21 12:48:08,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 12:48:08,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2020-07-21 12:48:08,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:48:08,025 INFO L225 Difference]: With dead ends: 5692 [2020-07-21 12:48:08,026 INFO L226 Difference]: Without dead ends: 2993 [2020-07-21 12:48:08,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 293 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-07-21 12:48:08,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2020-07-21 12:48:08,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2757. [2020-07-21 12:48:08,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2757 states. [2020-07-21 12:48:08,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2757 states and 3341 transitions. [2020-07-21 12:48:08,161 INFO L78 Accepts]: Start accepts. Automaton has 2757 states and 3341 transitions. Word has length 152 [2020-07-21 12:48:08,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:48:08,163 INFO L479 AbstractCegarLoop]: Abstraction has 2757 states and 3341 transitions. [2020-07-21 12:48:08,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:48:08,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 3341 transitions. [2020-07-21 12:48:08,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-07-21 12:48:08,172 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:48:08,173 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-07-21 12:48:08,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:08,386 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:48:08,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:48:08,386 INFO L82 PathProgramCache]: Analyzing trace with hash 296697408, now seen corresponding path program 1 times [2020-07-21 12:48:08,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:48:08,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968887454] [2020-07-21 12:48:08,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:48:08,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 20 conjunts are in the unsatisfiable core [2020-07-21 12:48:08,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:48:08,840 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 35 proven. 44 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-07-21 12:48:08,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:48:10,003 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:10,004 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:10,058 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:10,060 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:10,460 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:10,461 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:10,668 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:10,806 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:10,880 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:10,901 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:10,902 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:10,917 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:10,939 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:10,946 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:10,953 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 12:48:11,175 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-07-21 12:48:11,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968887454] [2020-07-21 12:48:11,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 12:48:11,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2020-07-21 12:48:11,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512175235] [2020-07-21 12:48:11,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-21 12:48:11,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:48:11,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-21 12:48:11,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-07-21 12:48:11,178 INFO L87 Difference]: Start difference. First operand 2757 states and 3341 transitions. Second operand 9 states. [2020-07-21 12:48:15,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:48:15,171 INFO L93 Difference]: Finished difference Result 7200 states and 9437 transitions. [2020-07-21 12:48:15,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 12:48:15,172 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 196 [2020-07-21 12:48:15,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:48:15,206 INFO L225 Difference]: With dead ends: 7200 [2020-07-21 12:48:15,206 INFO L226 Difference]: Without dead ends: 5723 [2020-07-21 12:48:15,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 380 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2020-07-21 12:48:15,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5723 states. [2020-07-21 12:48:15,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5723 to 4639. [2020-07-21 12:48:15,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4639 states. [2020-07-21 12:48:15,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4639 states to 4639 states and 5839 transitions. [2020-07-21 12:48:15,498 INFO L78 Accepts]: Start accepts. Automaton has 4639 states and 5839 transitions. Word has length 196 [2020-07-21 12:48:15,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:48:15,499 INFO L479 AbstractCegarLoop]: Abstraction has 4639 states and 5839 transitions. [2020-07-21 12:48:15,499 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-21 12:48:15,499 INFO L276 IsEmpty]: Start isEmpty. Operand 4639 states and 5839 transitions. [2020-07-21 12:48:15,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-07-21 12:48:15,509 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:48:15,509 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-07-21 12:48:15,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:15,723 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:48:15,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:48:15,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1723920545, now seen corresponding path program 1 times [2020-07-21 12:48:15,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:48:15,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1940412417] [2020-07-21 12:48:15,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 12:48:16,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 12:48:16,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:48:16,130 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-07-21 12:48:16,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:48:16,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1940412417] [2020-07-21 12:48:16,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:48:16,131 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 12:48:16,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758457053] [2020-07-21 12:48:16,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 12:48:16,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:48:16,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 12:48:16,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 12:48:16,186 INFO L87 Difference]: Start difference. First operand 4639 states and 5839 transitions. Second operand 4 states. [2020-07-21 12:48:16,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:48:16,320 INFO L93 Difference]: Finished difference Result 7974 states and 10373 transitions. [2020-07-21 12:48:16,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 12:48:16,321 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 198 [2020-07-21 12:48:16,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:48:16,347 INFO L225 Difference]: With dead ends: 7974 [2020-07-21 12:48:16,348 INFO L226 Difference]: Without dead ends: 4639 [2020-07-21 12:48:16,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:48:16,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4639 states. [2020-07-21 12:48:16,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4639 to 4635. [2020-07-21 12:48:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4635 states. [2020-07-21 12:48:16,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4635 states to 4635 states and 5827 transitions. [2020-07-21 12:48:16,571 INFO L78 Accepts]: Start accepts. Automaton has 4635 states and 5827 transitions. Word has length 198 [2020-07-21 12:48:16,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:48:16,571 INFO L479 AbstractCegarLoop]: Abstraction has 4635 states and 5827 transitions. [2020-07-21 12:48:16,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 12:48:16,571 INFO L276 IsEmpty]: Start isEmpty. Operand 4635 states and 5827 transitions. [2020-07-21 12:48:16,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-07-21 12:48:16,582 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:48:16,582 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-07-21 12:48:16,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:16,797 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:48:16,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:48:16,798 INFO L82 PathProgramCache]: Analyzing trace with hash 58334816, now seen corresponding path program 1 times [2020-07-21 12:48:16,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:48:16,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725434337] [2020-07-21 12:48:16,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-21 12:48:17,210 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 12:48:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-21 12:48:17,333 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-21 12:48:17,656 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-21 12:48:17,656 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-21 12:48:17,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:48:18,010 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType ARRAY#_15_~~Element~0# [2020-07-21 12:48:18,013 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 26 could not be translated for associated CType STRUCT~~hdlc_proto?open~*((*net_device ) : INT)?close~*((*net_device ) : VOID)?start~*((*net_device ) : VOID)?stop~*((*net_device ) : VOID)?detach~*((*net_device ) : VOID)?ioctl~*((*net_device *ifreq ) : INT)?type_trans~*((*sk_buff *net_device ) : ~__be16~0)?netif_rx~*((*sk_buff ) : INT)?xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?module~*module?next~*hdlc_proto# [2020-07-21 12:48:18,013 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~hdlc_proto?open~*((*net_device ) : INT)?close~*((*net_device ) : VOID)?start~*((*net_device ) : VOID)?stop~*((*net_device ) : VOID)?detach~*((*net_device ) : VOID)?ioctl~*((*net_device *ifreq ) : INT)?type_trans~*((*sk_buff *net_device ) : ~__be16~0)?netif_rx~*((*sk_buff ) : INT)?xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?module~*module?next~*hdlc_proto# [2020-07-21 12:48:18,014 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 25 could not be translated for associated CType ARRAY#_15_~~Element~0# [2020-07-21 12:48:18,047 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,051 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,051 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,052 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,052 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,054 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,054 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,056 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,057 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,069 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,073 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,074 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,075 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,075 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,075 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,076 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,076 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,076 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,077 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,077 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,077 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,082 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch88 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,083 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch88 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,084 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch88 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,086 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch88 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,097 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch88 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,103 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch88 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,104 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch88 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,104 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,104 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,105 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,107 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,107 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,108 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,108 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,108 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,109 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,109 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,110 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,110 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,110 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,111 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,111 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,111 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,112 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,112 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,113 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,113 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,113 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,114 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,114 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,114 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2020-07-21 12:48:18,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:48:18 BoogieIcfgContainer [2020-07-21 12:48:18,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:48:18,160 INFO L168 Benchmark]: Toolchain (without parser) took 21468.87 ms. Allocated memory was 145.2 MB in the beginning and 614.5 MB in the end (delta: 469.2 MB). Free memory was 95.0 MB in the beginning and 220.4 MB in the end (delta: -125.4 MB). Peak memory consumption was 343.8 MB. Max. memory is 7.1 GB. [2020-07-21 12:48:18,160 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 12:48:18,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1716.81 ms. Allocated memory was 145.2 MB in the beginning and 208.7 MB in the end (delta: 63.4 MB). Free memory was 94.6 MB in the beginning and 101.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:48:18,162 INFO L168 Benchmark]: Boogie Preprocessor took 202.05 ms. Allocated memory is still 208.7 MB. Free memory was 101.9 MB in the beginning and 94.4 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2020-07-21 12:48:18,168 INFO L168 Benchmark]: RCFGBuilder took 1679.62 ms. Allocated memory was 208.7 MB in the beginning and 263.7 MB in the end (delta: 55.1 MB). Free memory was 94.4 MB in the beginning and 199.4 MB in the end (delta: -105.0 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. [2020-07-21 12:48:18,174 INFO L168 Benchmark]: TraceAbstraction took 17864.58 ms. Allocated memory was 263.7 MB in the beginning and 614.5 MB in the end (delta: 350.7 MB). Free memory was 199.4 MB in the beginning and 220.4 MB in the end (delta: -21.0 MB). Peak memory consumption was 329.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:48:18,182 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory is still 121.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1716.81 ms. Allocated memory was 145.2 MB in the beginning and 208.7 MB in the end (delta: 63.4 MB). Free memory was 94.6 MB in the beginning and 101.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 202.05 ms. Allocated memory is still 208.7 MB. Free memory was 101.9 MB in the beginning and 94.4 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1679.62 ms. Allocated memory was 208.7 MB in the beginning and 263.7 MB in the end (delta: 55.1 MB). Free memory was 94.4 MB in the beginning and 199.4 MB in the end (delta: -105.0 MB). Peak memory consumption was 60.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17864.58 ms. Allocated memory was 263.7 MB in the beginning and 614.5 MB in the end (delta: 350.7 MB). Free memory was 199.4 MB in the beginning and 220.4 MB in the end (delta: -21.0 MB). Peak memory consumption was 329.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType ARRAY#_15_~~Element~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 26 could not be translated for associated CType STRUCT~~hdlc_proto?open~*((*net_device ) : INT)?close~*((*net_device ) : VOID)?start~*((*net_device ) : VOID)?stop~*((*net_device ) : VOID)?detach~*((*net_device ) : VOID)?ioctl~*((*net_device *ifreq ) : INT)?type_trans~*((*sk_buff *net_device ) : ~__be16~0)?netif_rx~*((*sk_buff ) : INT)?xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?module~*module?next~*hdlc_proto# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 14 could not be translated for associated CType STRUCT~~hdlc_proto?open~*((*net_device ) : INT)?close~*((*net_device ) : VOID)?start~*((*net_device ) : VOID)?stop~*((*net_device ) : VOID)?detach~*((*net_device ) : VOID)?ioctl~*((*net_device *ifreq ) : INT)?type_trans~*((*sk_buff *net_device ) : ~__be16~0)?netif_rx~*((*sk_buff ) : INT)?xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?module~*module?next~*hdlc_proto# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 25 could not be translated for associated CType ARRAY#_15_~~Element~0# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch88 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch88 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch88 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch88 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch88 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch88 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch88 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch124 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch122 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch133 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 5309]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L5332] int LDV_IN_INTERRUPT = 1; [L5333] struct sk_buff *proto_group0 ; [L5334] int ref_cnt ; [L5335] int ldv_state_variable_1 ; [L5336] struct net_device *proto_group1 ; [L5337] int ldv_state_variable_0 ; [L5553-L5555] static struct hdlc_proto proto = {& x25_open, & x25_close, 0, 0, 0, & x25_ioctl, 0, & x25_rx, & x25_xmit, & __this_module, 0}; [L5622] int ldv_retval_0 ; [L5623] int ldv_retval_1 ; [L5826] Element set_impl[15] ; [L5827] int last_index = 0; [L5961] Set LDV_SKBS ; VAL [\old(last_index)=12, \old(LDV_IN_INTERRUPT)=31, \old(ldv_retval_0)=34, \old(ldv_retval_1)=13, \old(LDV_SKBS)=35, \old(LDV_SKBS)=33, \old(ldv_state_variable_0)=30, \old(ldv_state_variable_1)=28, \old(proto)=null, \old(proto)=null, \old(proto_group0)=37, \old(proto_group0)=27, \old(proto_group1)=9, \old(proto_group1)=20, \old(ref_cnt)=10, \old(set_impl)=null, \old(set_impl)=null, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5640] struct ifreq *ldvarg0 ; [L5641] void *tmp ; [L5642] int tmp___0 ; [L5643] int tmp___1 ; [L5644] int tmp___2 ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5646] CALL, EXPR ldv_successful_zalloc(40UL) VAL [\old(__size)=40, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5251] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=40, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __size=40, __this_module={51:55}, calloc(1UL, __size)={-18446744073709522209:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5251] void *p = calloc(1UL, __size); VAL [\old(__size)=40, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __size=40, __this_module={51:55}, calloc(1UL, __size)={-18446744073709522209:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, p={-18446744073709522209:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5252] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5248] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5252] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=40, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __size=40, __this_module={51:55}, calloc(1UL, __size)={-18446744073709522209:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, p={-18446744073709522209:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5253] return p; VAL [\old(__size)=40, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, \result={-18446744073709522209:0}, __size=40, __this_module={51:55}, calloc(1UL, __size)={-18446744073709522209:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, p={-18446744073709522209:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5646] RET, EXPR ldv_successful_zalloc(40UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_successful_zalloc(40UL)={-18446744073709522209:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5646] tmp = ldv_successful_zalloc(40UL) [L5647] ldvarg0 = (struct ifreq *)tmp VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}] [L5648] CALL ldv_initialize() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5980] CALL ldv_set_init(LDV_SKBS) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set_impl={7635:0}] [L5832] set = set_impl [L5833] last_index = 0 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={7635:0}, set_impl={7635:0}] [L5980] RET ldv_set_init(LDV_SKBS) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5648] RET ldv_initialize() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}] [L5649] ldv_state_variable_1 = 0 [L5650] ref_cnt = 0 [L5651] ldv_state_variable_0 = 1 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}] [L5653] tmp___0 = __VERIFIER_nondet_int() [L5655] case 0: [L5720] case 1: VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=1] [L5721] COND TRUE ldv_state_variable_0 != 0 [L5722] tmp___2 = __VERIFIER_nondet_int() [L5724] case 0: [L5732] case 1: VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=1, tmp___2=1] [L5733] COND TRUE ldv_state_variable_0 == 1 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=1, tmp___2=1] [L5734] CALL, EXPR mod_init() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5611] FCALL register_hdlc_protocol(& proto) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5612] return (0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, \result=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5734] RET, EXPR mod_init() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={-18446744073709522209:0}, mod_init()=0, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=1, tmp___2=1] [L5734] ldv_retval_1 = mod_init() [L5735] COND TRUE ldv_retval_1 == 0 [L5736] ldv_state_variable_0 = 3 [L5737] ldv_state_variable_1 = 1 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=1, tmp___2=1] [L5738] CALL ldv_initialize_hdlc_proto_1() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5628] void *tmp ; [L5629] void *tmp___0 ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5631] CALL, EXPR ldv_successful_zalloc(3264UL) VAL [\old(__size)=3264, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5251] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=3264, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __size=3264, __this_module={51:55}, calloc(1UL, __size)={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5251] void *p = calloc(1UL, __size); VAL [\old(__size)=3264, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __size=3264, __this_module={51:55}, calloc(1UL, __size)={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709522210:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5252] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5248] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5252] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=3264, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __size=3264, __this_module={51:55}, calloc(1UL, __size)={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709522210:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5253] return p; VAL [\old(__size)=3264, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, \result={-18446744073709522210:0}, __size=3264, __this_module={51:55}, calloc(1UL, __size)={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709522210:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5631] RET, EXPR ldv_successful_zalloc(3264UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_successful_zalloc(3264UL)={-18446744073709522210:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={7635:0}] [L5631] tmp = ldv_successful_zalloc(3264UL) [L5632] proto_group1 = (struct net_device *)tmp VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={0:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522210:0}] [L5633] CALL, EXPR ldv_successful_zalloc(232UL) VAL [\old(__size)=232, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={0:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5251] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=232, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __size=232, __this_module={51:55}, calloc(1UL, __size)={-18446744073709522211:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={0:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5251] void *p = calloc(1UL, __size); VAL [\old(__size)=232, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __size=232, __this_module={51:55}, calloc(1UL, __size)={-18446744073709522211:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709522211:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5252] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={0:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5248] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={0:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5252] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=232, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __size=232, __this_module={51:55}, calloc(1UL, __size)={-18446744073709522211:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709522211:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5253] return p; VAL [\old(__size)=232, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, \result={-18446744073709522211:0}, __size=232, __this_module={51:55}, calloc(1UL, __size)={-18446744073709522211:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709522211:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5633] RET, EXPR ldv_successful_zalloc(232UL) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_successful_zalloc(232UL)={-18446744073709522211:0}, proto={7631:0}, proto_group0={0:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522210:0}] [L5633] tmp___0 = ldv_successful_zalloc(232UL) [L5634] proto_group0 = (struct sk_buff *)tmp___0 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522210:0}, tmp___0={-18446744073709522211:0}] [L5738] RET ldv_initialize_hdlc_proto_1() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=1, tmp___2=1] [L5741] COND FALSE !(ldv_retval_1 != 0) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=1, tmp___2=1] [L5653] tmp___0 = __VERIFIER_nondet_int() [L5655] case 0: VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=0, tmp___2=1] [L5656] COND TRUE ldv_state_variable_1 != 0 [L5657] tmp___1 = __VERIFIER_nondet_int() [L5659] case 0: VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=0, tmp___1=0, tmp___2=1] [L5660] COND TRUE ldv_state_variable_1 == 1 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=0, tmp___1=0, tmp___2=1] [L5661] CALL x25_xmit(proto_group0, proto_group1) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, dev={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, skb={-18446744073709522211:0}] [L5460] int result ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, dev={-18446744073709522210:0}, dev={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, skb={-18446744073709522211:0}, skb={-18446744073709522211:0}] [L5462] CALL assume_abort_if_not(((void*)(skb)) != ((void*) 0)) VAL [\old(cond)=1, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5248] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5462] RET assume_abort_if_not(((void*)(skb)) != ((void*) 0)) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, dev={-18446744073709522210:0}, dev={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, skb={-18446744073709522211:0}, skb={-18446744073709522211:0}] [L5463] EXPR skb->data VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, dev={-18446744073709522210:0}, dev={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, skb={-18446744073709522211:0}, skb={-18446744073709522211:0}, skb->data={-18446744073709551616:61}] [L5463] CALL assume_abort_if_not(((void*)((skb->data))) != ((void*) 0)) VAL [\old(cond)=1, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5248] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5463] RET assume_abort_if_not(((void*)((skb->data))) != ((void*) 0)) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, dev={-18446744073709522210:0}, dev={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, skb={-18446744073709522211:0}, skb={-18446744073709522211:0}, skb->data={-18446744073709551616:61}] [L5464] skb->data [L5465] case 0: [L5473] case 1: [L5485] case 2: VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, dev={-18446744073709522210:0}, dev={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, skb={-18446744073709522211:0}, skb={-18446744073709522211:0}, skb->data=-254skb->data={-18446744073709551616:61}] [L5486] CALL, EXPR lapb_disconnect_request(dev) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, arg0={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L6069] return __VERIFIER_nondet_int(); [L5486] RET, EXPR lapb_disconnect_request(dev) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, dev={-18446744073709522210:0}, dev={-18446744073709522210:0}, lapb_disconnect_request(dev)=4, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, skb={-18446744073709522211:0}, skb={-18446744073709522211:0}, skb->data={-18446744073709551616:61}skb->data=-254] [L5486] result = lapb_disconnect_request(dev) [L5487] COND TRUE result != 0 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, dev={-18446744073709522210:0}, dev={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, result=4, set_impl={7635:0}, skb={-18446744073709522211:0}, skb={-18446744073709522211:0}, skb->data=-254skb->data={-18446744073709551616:61}] [L5488] COND TRUE result == 4 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, dev={-18446744073709522210:0}, dev={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, result=4, set_impl={7635:0}, skb={-18446744073709522211:0}, skb={-18446744073709522211:0}, skb->data=-254skb->data={-18446744073709551616:61}] [L5489] CALL x25_disconnected(dev, 0) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(reason)=0, \old(ref_cnt)=0, __this_module={51:55}, dev={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5424] CALL x25_connect_disconnect(dev, reason, 2) VAL [\old(code)=2, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(reason)=0, \old(ref_cnt)=0, __this_module={51:55}, dev={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5398] struct sk_buff *skb ; [L5399] unsigned char *ptr ; VAL [\old(code)=2, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(reason)=0, \old(ref_cnt)=0, __this_module={51:55}, code=2, dev={-18446744073709522210:0}, dev={-18446744073709522210:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, reason=0, ref_cnt=0, set_impl={7635:0}] [L5401] CALL, EXPR ldv_dev_alloc_skb_12(1U) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(length)=1, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5803] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(length)=1, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5805] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5964] void *skb ; [L5965] void *tmp___7 ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5967] CALL, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(__size)=248, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5251] EXPR, FCALL calloc(1UL, __size) VAL [\old(__size)=248, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __size=248, __this_module={51:55}, calloc(1UL, __size)={-18446744073709551616:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5251] void *p = calloc(1UL, __size); VAL [\old(__size)=248, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __size=248, __this_module={51:55}, calloc(1UL, __size)={-18446744073709551616:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551616:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5252] CALL assume_abort_if_not(p != (void *)0) VAL [\old(cond)=1, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5248] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5252] RET assume_abort_if_not(p != (void *)0) VAL [\old(__size)=248, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __size=248, __this_module={51:55}, calloc(1UL, __size)={-18446744073709551616:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551616:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5253] return p; VAL [\old(__size)=248, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, \result={-18446744073709551616:0}, __size=248, __this_module={51:55}, calloc(1UL, __size)={-18446744073709551616:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, p={-18446744073709551616:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5967] RET, EXPR ldv_successful_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_successful_zalloc(sizeof(struct sk_buff___0 ))={-18446744073709551616:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5967] tmp___7 = ldv_successful_zalloc(sizeof(struct sk_buff___0 )) [L5968] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, skb={-18446744073709551616:0}, tmp___7={-18446744073709551616:0}] [L5969] COND FALSE !(! skb) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, skb={-18446744073709551616:0}, tmp___7={-18446744073709551616:0}] [L5972] CALL ldv_set_add(LDV_SKBS, skb) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, e={-18446744073709551616:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set_impl={7635:0}] [L5840] int i ; [L5842] i = 0 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, e={-18446744073709551616:0}, e={-18446744073709551616:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={7635:0}] [L5843] COND TRUE 1 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, e={-18446744073709551616:0}, e={-18446744073709551616:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={7635:0}] [L5844] COND FALSE !(i < last_index) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, e={-18446744073709551616:0}, e={-18446744073709551616:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={7635:0}] [L5854] COND TRUE last_index < 15 [L5855] set_impl[last_index] = e [L5856] last_index = last_index + 1 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, e={-18446744073709551616:0}, e={-18446744073709551616:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={7635:0}] [L5972] RET ldv_set_add(LDV_SKBS, skb) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, skb={-18446744073709551616:0}, tmp___7={-18446744073709551616:0}] [L5973] return (skb); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, \result={-18446744073709551616:0}, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, skb={-18446744073709551616:0}, tmp___7={-18446744073709551616:0}] [L5805] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(length)=1, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_skb_alloc()={-18446744073709551616:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5805] tmp = ldv_skb_alloc() [L5806] return (tmp); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(length)=1, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, \result={-18446744073709551616:0}, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709551616:0}] [L5401] RET, EXPR ldv_dev_alloc_skb_12(1U) VAL [\old(code)=2, \old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(reason)=0, \old(ref_cnt)=0, __this_module={51:55}, code=2, dev={-18446744073709522210:0}, dev={-18446744073709522210:0}, last_index=1, ldv_dev_alloc_skb_12(1U)={-18446744073709551616:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, reason=0, ref_cnt=0, set_impl={7635:0}] [L5401] skb = ldv_dev_alloc_skb_12(1U) [L5402] COND TRUE (unsigned long )skb == (unsigned long )((struct sk_buff *)0) [L5424] RET x25_connect_disconnect(dev, reason, 2) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(reason)=0, \old(ref_cnt)=0, __this_module={51:55}, dev={-18446744073709522210:0}, dev={-18446744073709522210:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, reason=0, ref_cnt=0, set_impl={7635:0}] [L5489] RET x25_disconnected(dev, 0) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, dev={-18446744073709522210:0}, dev={-18446744073709522210:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, result=4, set_impl={7635:0}, skb={-18446744073709522211:0}, skb={-18446744073709522211:0}, skb->data={-18446744073709551616:61}skb->data=-254] [L5501] CALL ldv_skb_free(skb) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, skb={-18446744073709522211:0}] [L5987] CALL ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, e={-18446744073709522211:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set_impl={7635:0}] [L5865] int i ; [L5866] int deleted_index ; [L5868] deleted_index = -1 [L5869] i = 0 VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, deleted_index=-1, e={-18446744073709522211:0}, e={-18446744073709522211:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={7635:0}] [L5870] COND TRUE 1 VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, deleted_index=-1, e={-18446744073709522211:0}, e={-18446744073709522211:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={7635:0}] [L5871] COND TRUE i < last_index VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, deleted_index=-1, e={-18446744073709522211:0}, e={-18446744073709522211:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={7635:0}] [L5875] EXPR set_impl[i] VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, deleted_index=-1, e={-18446744073709522211:0}, e={-18446744073709522211:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={7635:0}, set_impl[i]={-18446744073709551616:0}] [L5875] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L5880] i = i + 1 VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, deleted_index=-1, e={-18446744073709522211:0}, e={-18446744073709522211:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={7635:0}] [L5870] COND TRUE 1 VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, deleted_index=-1, e={-18446744073709522211:0}, e={-18446744073709522211:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={7635:0}] [L5871] COND FALSE !(i < last_index) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, deleted_index=-1, e={-18446744073709522211:0}, e={-18446744073709522211:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={7635:0}] [L5882] COND FALSE !(deleted_index != -1) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, deleted_index=-1, e={-18446744073709522211:0}, e={-18446744073709522211:0}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={7635:0}] [L5987] RET ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, skb={-18446744073709522211:0}, skb={-18446744073709522211:0}] [L5501] RET ldv_skb_free(skb) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, dev={-18446744073709522210:0}, dev={-18446744073709522210:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, result=4, set_impl={7635:0}, skb={-18446744073709522211:0}, skb={-18446744073709522211:0}, skb->data=-254skb->data={-18446744073709551616:61}] [L5502] return (0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, \result=0, __this_module={51:55}, dev={-18446744073709522210:0}, dev={-18446744073709522210:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, result=4, set_impl={7635:0}, skb={-18446744073709522211:0}, skb={-18446744073709522211:0}, skb->data={-18446744073709551616:61}skb->data=-254] [L5661] RET x25_xmit(proto_group0, proto_group1) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=0, tmp___1=0, tmp___2=1, x25_xmit(proto_group0, proto_group1)=0] [L5662] ldv_state_variable_1 = 1 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=0, tmp___1=0, tmp___2=1] [L5665] COND FALSE !(ldv_state_variable_1 == 2) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=0, tmp___1=0, tmp___2=1] [L5653] tmp___0 = __VERIFIER_nondet_int() [L5655] case 0: [L5720] case 1: VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=1, tmp___1=0, tmp___2=1] [L5721] COND TRUE ldv_state_variable_0 != 0 [L5722] tmp___2 = __VERIFIER_nondet_int() [L5724] case 0: VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=1, tmp___1=0, tmp___2=0] [L5725] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=1, tmp___1=0, tmp___2=0] [L5726] CALL mod_exit() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5618] FCALL unregister_hdlc_protocol(& proto) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5726] RET mod_exit() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=1, tmp___1=0, tmp___2=0] [L5727] ldv_state_variable_0 = 2 VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, ldvarg0={-18446744073709522209:0}, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp={-18446744073709522209:0}, tmp___0=1, tmp___1=0, tmp___2=0] [L5762] CALL ldv_check_final_state() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L6031] int tmp___7 ; VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L6033] CALL, EXPR ldv_set_is_empty(LDV_SKBS) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set_impl={7635:0}] [L5922] return (last_index == 0); VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, \result=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={7635:0}] [L6033] RET, EXPR ldv_set_is_empty(LDV_SKBS) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_set_is_empty(LDV_SKBS)=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L6033] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L6034] COND FALSE !(\read(tmp___7)) VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}, tmp___7=0] [L6036] CALL ldv_error() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] [L5309] __VERIFIER_error() VAL [\old(last_index)=0, \old(ldv_retval_0)=0, \old(ldv_retval_1)=0, \old(ldv_state_variable_0)=0, \old(ldv_state_variable_1)=0, \old(proto_group0)=0, \old(proto_group0)=0, \old(proto_group1)=0, \old(proto_group1)=0, \old(ref_cnt)=0, __this_module={51:55}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=1, proto={7631:0}, proto_group0={-18446744073709522211:0}, proto_group1={-18446744073709522210:0}, ref_cnt=0, set_impl={7635:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 89 procedures, 541 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 17.5s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4103 SDtfs, 4099 SDslu, 6298 SDs, 0 SdLazy, 3263 SolverSat, 1238 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1414 GetRequests, 1367 SyntacticMatches, 5 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4639occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1398 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1259 NumberOfCodeBlocks, 1259 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1396 ConstructedInterpolants, 0 QuantifiedInterpolants, 436094 SizeOfPredicates, 12 NumberOfNonLiveVariables, 6015 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 657/717 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...