/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 [2020-07-20 12:58:10,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 12:58:10,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 12:58:10,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 12:58:10,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 12:58:10,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 12:58:10,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 12:58:10,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 12:58:10,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 12:58:10,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 12:58:10,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 12:58:10,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 12:58:10,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 12:58:10,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 12:58:10,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 12:58:10,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 12:58:10,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 12:58:10,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 12:58:10,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 12:58:10,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 12:58:10,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 12:58:10,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 12:58:10,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 12:58:10,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 12:58:10,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 12:58:10,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 12:58:10,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 12:58:10,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 12:58:10,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 12:58:10,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 12:58:10,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 12:58:10,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 12:58:10,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 12:58:10,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 12:58:10,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 12:58:10,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 12:58:10,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 12:58:10,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 12:58:10,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 12:58:10,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 12:58:10,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 12:58:10,902 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 [2020-07-20 12:58:10,924 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 12:58:10,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 12:58:10,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 12:58:10,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 12:58:10,925 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 12:58:10,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 12:58:10,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 12:58:10,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 12:58:10,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 12:58:10,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 12:58:10,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 12:58:10,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 12:58:10,929 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 12:58:10,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 12:58:10,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 12:58:10,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 12:58:10,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 12:58:10,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 12:58:10,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 12:58:10,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 12:58:10,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 12:58:10,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 12:58:10,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 12:58:10,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:58:10,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 12:58:10,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 12:58:10,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-20 12:58:10,932 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 [2020-07-20 12:58:11,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 12:58:11,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 12:58:11,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 12:58:11,258 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 12:58:11,258 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 12:58:11,259 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-07-20 12:58:11,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef66d8049/51ae2e44c0fb458485a9974832819af6/FLAG9e0d819d4 [2020-07-20 12:58:12,093 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 12:58:12,094 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wan--hdlc_x25.ko-entry_point.cil.out.i [2020-07-20 12:58:12,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef66d8049/51ae2e44c0fb458485a9974832819af6/FLAG9e0d819d4 [2020-07-20 12:58:12,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef66d8049/51ae2e44c0fb458485a9974832819af6 [2020-07-20 12:58:12,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 12:58:12,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 12:58:12,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 12:58:12,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 12:58:12,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 12:58:12,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:58:12" (1/1) ... [2020-07-20 12:58:12,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dfd873a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:58:12, skipping insertion in model container [2020-07-20 12:58:12,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:58:12" (1/1) ... [2020-07-20 12:58:12,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 12:58:12,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 12:58:13,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 12:58:13,703 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 12:58:14,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 12:58:14,086 INFO L208 MainTranslator]: Completed translation [2020-07-20 12:58:14,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:58:14 WrapperNode [2020-07-20 12:58:14,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 12:58:14,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 12:58:14,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 12:58:14,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 12:58:14,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:58:14" (1/1) ... [2020-07-20 12:58:14,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:58:14" (1/1) ... [2020-07-20 12:58:14,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:58:14" (1/1) ... [2020-07-20 12:58:14,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:58:14" (1/1) ... [2020-07-20 12:58:14,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:58:14" (1/1) ... [2020-07-20 12:58:14,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:58:14" (1/1) ... [2020-07-20 12:58:14,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:58:14" (1/1) ... [2020-07-20 12:58:14,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 12:58:14,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 12:58:14,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 12:58:14,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 12:58:14,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:58:14" (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 [2020-07-20 12:58:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 12:58:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 12:58:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-07-20 12:58:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-07-20 12:58:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-07-20 12:58:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-07-20 12:58:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2020-07-20 12:58:14,348 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2020-07-20 12:58:14,348 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2020-07-20 12:58:14,348 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_share_check [2020-07-20 12:58:14,349 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2020-07-20 12:58:14,349 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-07-20 12:58:14,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_cow [2020-07-20 12:58:14,349 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cow [2020-07-20 12:58:14,350 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-07-20 12:58:14,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2020-07-20 12:58:14,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-07-20 12:58:14,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-07-20 12:58:14,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-07-20 12:58:14,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-07-20 12:58:14,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-07-20 12:58:14,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-07-20 12:58:14,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-07-20 12:58:14,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-07-20 12:58:14,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-07-20 12:58:14,352 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-07-20 12:58:14,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_dormant_off [2020-07-20 12:58:14,352 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2020-07-20 12:58:14,352 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2020-07-20 12:58:14,352 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connect_disconnect [2020-07-20 12:58:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_connected [2020-07-20 12:58:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_disconnected [2020-07-20 12:58:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_indication [2020-07-20 12:58:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_data_transmit [2020-07-20 12:58:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_xmit [2020-07-20 12:58:14,353 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_open [2020-07-20 12:58:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_close [2020-07-20 12:58:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_rx [2020-07-20 12:58:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_ioctl [2020-07-20 12:58:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_init [2020-07-20 12:58:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_exit [2020-07-20 12:58:14,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_hdlc_proto_1 [2020-07-20 12:58:14,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 12:58:14,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-07-20 12:58:14,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-07-20 12:58:14,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-07-20 12:58:14,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-07-20 12:58:14,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-07-20 12:58:14,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-07-20 12:58:14,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_13 [2020-07-20 12:58:14,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_14 [2020-07-20 12:58:14,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-07-20 12:58:14,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-07-20 12:58:14,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-07-20 12:58:14,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-07-20 12:58:14,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-07-20 12:58:14,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-07-20 12:58:14,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-07-20 12:58:14,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-07-20 12:58:14,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-07-20 12:58:14,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-07-20 12:58:14,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-07-20 12:58:14,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-07-20 12:58:14,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-07-20 12:58:14,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-07-20 12:58:14,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-07-20 12:58:14,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-07-20 12:58:14,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-07-20 12:58:14,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2020-07-20 12:58:14,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2020-07-20 12:58:14,359 INFO L138 BoogieDeclarations]: Found implementation of procedure attach_hdlc_protocol [2020-07-20 12:58:14,359 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2020-07-20 12:58:14,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_connect_request [2020-07-20 12:58:14,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_received [2020-07-20 12:58:14,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_data_request [2020-07-20 12:58:14,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_disconnect_request [2020-07-20 12:58:14,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_register [2020-07-20 12:58:14,360 INFO L138 BoogieDeclarations]: Found implementation of procedure lapb_unregister [2020-07-20 12:58:14,361 INFO L138 BoogieDeclarations]: Found implementation of procedure linkwatch_fire_event [2020-07-20 12:58:14,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-07-20 12:58:14,361 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-07-20 12:58:14,361 INFO L138 BoogieDeclarations]: Found implementation of procedure register_hdlc_protocol [2020-07-20 12:58:14,361 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-07-20 12:58:14,361 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-07-20 12:58:14,362 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-07-20 12:58:14,362 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-07-20 12:58:14,362 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_hdlc_protocol [2020-07-20 12:58:14,362 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-07-20 12:58:14,362 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-07-20 12:58:14,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 12:58:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-07-20 12:58:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-07-20 12:58:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2020-07-20 12:58:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-07-20 12:58:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 12:58:14,363 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2020-07-20 12:58:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-07-20 12:58:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-07-20 12:58:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-07-20 12:58:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-07-20 12:58:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-07-20 12:58:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-07-20 12:58:14,365 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-07-20 12:58:14,365 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2020-07-20 12:58:14,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 12:58:14,365 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2020-07-20 12:58:14,365 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2020-07-20 12:58:14,365 INFO L130 BoogieDeclarations]: Found specification of procedure skb_share_check [2020-07-20 12:58:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 12:58:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-07-20 12:58:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-07-20 12:58:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-07-20 12:58:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2020-07-20 12:58:14,366 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-07-20 12:58:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 12:58:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-07-20 12:58:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_cow [2020-07-20 12:58:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cow [2020-07-20 12:58:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-07-20 12:58:14,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-07-20 12:58:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-07-20 12:58:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 12:58:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-20 12:58:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 12:58:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-07-20 12:58:14,368 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-20 12:58:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-07-20 12:58:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2020-07-20 12:58:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 12:58:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-07-20 12:58:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-07-20 12:58:14,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-07-20 12:58:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-07-20 12:58:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-07-20 12:58:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-07-20 12:58:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-07-20 12:58:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-07-20 12:58:14,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_hdlc_proto_1 [2020-07-20 12:58:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-07-20 12:58:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2020-07-20 12:58:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-07-20 12:58:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_13 [2020-07-20 12:58:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_14 [2020-07-20 12:58:14,371 INFO L130 BoogieDeclarations]: Found specification of procedure linkwatch_fire_event [2020-07-20 12:58:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure netif_dormant_off [2020-07-20 12:58:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-07-20 12:58:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure register_hdlc_protocol [2020-07-20 12:58:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_hdlc_protocol [2020-07-20 12:58:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2020-07-20 12:58:14,372 INFO L130 BoogieDeclarations]: Found specification of procedure attach_hdlc_protocol [2020-07-20 12:58:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_register [2020-07-20 12:58:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_unregister [2020-07-20 12:58:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_connect_request [2020-07-20 12:58:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_disconnect_request [2020-07-20 12:58:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_request [2020-07-20 12:58:14,373 INFO L130 BoogieDeclarations]: Found specification of procedure lapb_data_received [2020-07-20 12:58:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2020-07-20 12:58:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 12:58:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure x25_ioctl [2020-07-20 12:58:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connect_disconnect [2020-07-20 12:58:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure x25_connected [2020-07-20 12:58:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure x25_disconnected [2020-07-20 12:58:14,374 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_indication [2020-07-20 12:58:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure x25_data_transmit [2020-07-20 12:58:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~netdev_tx_t~0 [2020-07-20 12:58:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure x25_xmit [2020-07-20 12:58:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure x25_open [2020-07-20 12:58:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 12:58:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure x25_close [2020-07-20 12:58:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure x25_rx [2020-07-20 12:58:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-07-20 12:58:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure mod_init [2020-07-20 12:58:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure mod_exit [2020-07-20 12:58:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-07-20 12:58:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-07-20 12:58:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 12:58:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-07-20 12:58:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-07-20 12:58:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-07-20 12:58:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-07-20 12:58:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-07-20 12:58:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-07-20 12:58:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-07-20 12:58:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-07-20 12:58:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-07-20 12:58:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-07-20 12:58:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-07-20 12:58:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-07-20 12:58:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-07-20 12:58:14,378 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 12:58:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-07-20 12:58:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 12:58:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-07-20 12:58:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 12:58:14,938 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-07-20 12:58:15,701 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 12:58:15,701 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-20 12:58:15,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:58:15 BoogieIcfgContainer [2020-07-20 12:58:15,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 12:58:15,710 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 12:58:15,710 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 12:58:15,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 12:58:15,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:58:12" (1/3) ... [2020-07-20 12:58:15,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e4f5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:58:15, skipping insertion in model container [2020-07-20 12:58:15,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:58:14" (2/3) ... [2020-07-20 12:58:15,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e4f5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:58:15, skipping insertion in model container [2020-07-20 12:58:15,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:58:15" (3/3) ... [2020-07-20 12:58:15,717 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 [2020-07-20 12:58:15,728 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 12:58:15,737 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 12:58:15,753 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 12:58:15,783 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 12:58:15,786 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 12:58:15,786 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 12:58:15,787 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 12:58:15,787 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 12:58:15,787 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 12:58:15,787 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 12:58:15,787 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 12:58:15,818 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states. [2020-07-20 12:58:15,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-20 12:58:15,832 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:58:15,833 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] [2020-07-20 12:58:15,834 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:58:15,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:58:15,841 INFO L82 PathProgramCache]: Analyzing trace with hash 856791813, now seen corresponding path program 1 times [2020-07-20 12:58:15,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:58:15,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [583981701] [2020-07-20 12:58:15,852 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 [2020-07-20 12:58:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:58:16,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 12:58:16,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:58:16,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:58:16,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:58:16,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [583981701] [2020-07-20 12:58:16,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:58:16,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 12:58:16,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818654071] [2020-07-20 12:58:16,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 12:58:16,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:58:16,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 12:58:16,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:58:16,199 INFO L87 Difference]: Start difference. First operand 477 states. Second operand 3 states. [2020-07-20 12:58:16,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:58:16,355 INFO L93 Difference]: Finished difference Result 1102 states and 1417 transitions. [2020-07-20 12:58:16,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 12:58:16,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-07-20 12:58:16,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:58:16,380 INFO L225 Difference]: With dead ends: 1102 [2020-07-20 12:58:16,380 INFO L226 Difference]: Without dead ends: 703 [2020-07-20 12:58:16,390 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 [2020-07-20 12:58:16,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2020-07-20 12:58:16,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 703. [2020-07-20 12:58:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2020-07-20 12:58:16,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 845 transitions. [2020-07-20 12:58:16,551 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 845 transitions. Word has length 54 [2020-07-20 12:58:16,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:58:16,552 INFO L479 AbstractCegarLoop]: Abstraction has 703 states and 845 transitions. [2020-07-20 12:58:16,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 12:58:16,552 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 845 transitions. [2020-07-20 12:58:16,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-20 12:58:16,557 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:58:16,557 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] [2020-07-20 12:58:16,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:58:16,772 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:58:16,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:58:16,774 INFO L82 PathProgramCache]: Analyzing trace with hash 226580861, now seen corresponding path program 1 times [2020-07-20 12:58:16,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:58:16,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145012091] [2020-07-20 12:58:16,775 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 [2020-07-20 12:58:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:58:17,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 12:58:17,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:58:17,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 12:58:17,092 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:58:17,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145012091] [2020-07-20 12:58:17,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:58:17,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 12:58:17,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063739517] [2020-07-20 12:58:17,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 12:58:17,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:58:17,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 12:58:17,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 12:58:17,096 INFO L87 Difference]: Start difference. First operand 703 states and 845 transitions. Second operand 6 states. [2020-07-20 12:58:17,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:58:17,611 INFO L93 Difference]: Finished difference Result 2074 states and 2561 transitions. [2020-07-20 12:58:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 12:58:17,612 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-07-20 12:58:17,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:58:17,623 INFO L225 Difference]: With dead ends: 2074 [2020-07-20 12:58:17,623 INFO L226 Difference]: Without dead ends: 1371 [2020-07-20 12:58:17,627 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 [2020-07-20 12:58:17,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2020-07-20 12:58:17,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1363. [2020-07-20 12:58:17,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1363 states. [2020-07-20 12:58:17,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1363 states and 1684 transitions. [2020-07-20 12:58:17,714 INFO L78 Accepts]: Start accepts. Automaton has 1363 states and 1684 transitions. Word has length 58 [2020-07-20 12:58:17,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:58:17,715 INFO L479 AbstractCegarLoop]: Abstraction has 1363 states and 1684 transitions. [2020-07-20 12:58:17,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 12:58:17,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 1684 transitions. [2020-07-20 12:58:17,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-20 12:58:17,729 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:58:17,729 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] [2020-07-20 12:58:17,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:58:17,944 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:58:17,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:58:17,945 INFO L82 PathProgramCache]: Analyzing trace with hash 61794125, now seen corresponding path program 1 times [2020-07-20 12:58:17,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:58:17,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392899514] [2020-07-20 12:58:17,947 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 [2020-07-20 12:58:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:58:18,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 12:58:18,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:58:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 12:58:18,211 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:58:18,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392899514] [2020-07-20 12:58:18,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:58:18,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 12:58:18,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027037620] [2020-07-20 12:58:18,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 12:58:18,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:58:18,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 12:58:18,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:58:18,213 INFO L87 Difference]: Start difference. First operand 1363 states and 1684 transitions. Second operand 3 states. [2020-07-20 12:58:18,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:58:18,320 INFO L93 Difference]: Finished difference Result 2877 states and 3600 transitions. [2020-07-20 12:58:18,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 12:58:18,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-07-20 12:58:18,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:58:18,330 INFO L225 Difference]: With dead ends: 2877 [2020-07-20 12:58:18,330 INFO L226 Difference]: Without dead ends: 1530 [2020-07-20 12:58:18,335 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 [2020-07-20 12:58:18,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2020-07-20 12:58:18,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1483. [2020-07-20 12:58:18,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1483 states. [2020-07-20 12:58:18,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 1843 transitions. [2020-07-20 12:58:18,400 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 1843 transitions. Word has length 100 [2020-07-20 12:58:18,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:58:18,401 INFO L479 AbstractCegarLoop]: Abstraction has 1483 states and 1843 transitions. [2020-07-20 12:58:18,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 12:58:18,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 1843 transitions. [2020-07-20 12:58:18,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-20 12:58:18,406 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:58:18,406 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] [2020-07-20 12:58:18,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:58:18,621 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:58:18,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:58:18,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1453768121, now seen corresponding path program 1 times [2020-07-20 12:58:18,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:58:18,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049899823] [2020-07-20 12:58:18,624 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 [2020-07-20 12:58:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:58:18,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 12:58:18,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:58:18,972 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-20 12:58:18,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:58:18,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049899823] [2020-07-20 12:58:18,973 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:58:18,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 12:58:18,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449267913] [2020-07-20 12:58:18,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 12:58:18,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:58:18,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 12:58:18,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:58:18,975 INFO L87 Difference]: Start difference. First operand 1483 states and 1843 transitions. Second operand 3 states. [2020-07-20 12:58:19,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:58:19,124 INFO L93 Difference]: Finished difference Result 4129 states and 5124 transitions. [2020-07-20 12:58:19,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 12:58:19,125 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-07-20 12:58:19,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:58:19,142 INFO L225 Difference]: With dead ends: 4129 [2020-07-20 12:58:19,142 INFO L226 Difference]: Without dead ends: 2676 [2020-07-20 12:58:19,148 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 [2020-07-20 12:58:19,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2676 states. [2020-07-20 12:58:19,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2676 to 2657. [2020-07-20 12:58:19,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2657 states. [2020-07-20 12:58:19,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2657 states and 3277 transitions. [2020-07-20 12:58:19,257 INFO L78 Accepts]: Start accepts. Automaton has 2657 states and 3277 transitions. Word has length 150 [2020-07-20 12:58:19,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:58:19,258 INFO L479 AbstractCegarLoop]: Abstraction has 2657 states and 3277 transitions. [2020-07-20 12:58:19,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 12:58:19,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3277 transitions. [2020-07-20 12:58:19,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-20 12:58:19,264 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:58:19,264 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] [2020-07-20 12:58:19,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:58:19,478 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:58:19,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:58:19,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1808070535, now seen corresponding path program 1 times [2020-07-20 12:58:19,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:58:19,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1688960003] [2020-07-20 12:58:19,480 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 [2020-07-20 12:58:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:58:19,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 12:58:19,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:58:19,742 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-07-20 12:58:19,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:58:19,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1688960003] [2020-07-20 12:58:19,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:58:19,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 12:58:19,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853319636] [2020-07-20 12:58:19,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 12:58:19,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:58:19,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 12:58:19,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 12:58:19,745 INFO L87 Difference]: Start difference. First operand 2657 states and 3277 transitions. Second operand 3 states. [2020-07-20 12:58:19,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:58:19,858 INFO L93 Difference]: Finished difference Result 4018 states and 5069 transitions. [2020-07-20 12:58:19,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 12:58:19,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-07-20 12:58:19,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:58:19,888 INFO L225 Difference]: With dead ends: 4018 [2020-07-20 12:58:19,888 INFO L226 Difference]: Without dead ends: 2673 [2020-07-20 12:58:19,893 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 [2020-07-20 12:58:19,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2673 states. [2020-07-20 12:58:19,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2673 to 2673. [2020-07-20 12:58:19,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2673 states. [2020-07-20 12:58:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2673 states and 3297 transitions. [2020-07-20 12:58:20,001 INFO L78 Accepts]: Start accepts. Automaton has 2673 states and 3297 transitions. Word has length 150 [2020-07-20 12:58:20,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:58:20,002 INFO L479 AbstractCegarLoop]: Abstraction has 2673 states and 3297 transitions. [2020-07-20 12:58:20,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 12:58:20,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 3297 transitions. [2020-07-20 12:58:20,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-20 12:58:20,008 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:58:20,008 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] [2020-07-20 12:58:20,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:58:20,222 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:58:20,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:58:20,223 INFO L82 PathProgramCache]: Analyzing trace with hash 464652536, now seen corresponding path program 1 times [2020-07-20 12:58:20,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:58:20,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1511509189] [2020-07-20 12:58:20,224 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 [2020-07-20 12:58:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:58:20,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 12:58:20,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:58:20,522 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-20 12:58:20,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 12:58:20,794 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:20,830 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:20,859 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:20,864 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-07-20 12:58:21,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1511509189] [2020-07-20 12:58:21,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 12:58:21,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2020-07-20 12:58:21,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773074615] [2020-07-20 12:58:21,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 12:58:21,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:58:21,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 12:58:21,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-07-20 12:58:21,100 INFO L87 Difference]: Start difference. First operand 2673 states and 3297 transitions. Second operand 6 states. [2020-07-20 12:58:22,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:58:22,889 INFO L93 Difference]: Finished difference Result 5692 states and 7128 transitions. [2020-07-20 12:58:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 12:58:22,889 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 152 [2020-07-20 12:58:22,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:58:22,906 INFO L225 Difference]: With dead ends: 5692 [2020-07-20 12:58:22,906 INFO L226 Difference]: Without dead ends: 2993 [2020-07-20 12:58:22,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 293 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-07-20 12:58:22,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2020-07-20 12:58:23,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2757. [2020-07-20 12:58:23,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2757 states. [2020-07-20 12:58:23,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2757 states and 3341 transitions. [2020-07-20 12:58:23,037 INFO L78 Accepts]: Start accepts. Automaton has 2757 states and 3341 transitions. Word has length 152 [2020-07-20 12:58:23,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:58:23,038 INFO L479 AbstractCegarLoop]: Abstraction has 2757 states and 3341 transitions. [2020-07-20 12:58:23,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 12:58:23,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 3341 transitions. [2020-07-20 12:58:23,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-07-20 12:58:23,046 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:58:23,046 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] [2020-07-20 12:58:23,260 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:58:23,261 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:58:23,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:58:23,262 INFO L82 PathProgramCache]: Analyzing trace with hash 296697408, now seen corresponding path program 1 times [2020-07-20 12:58:23,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:58:23,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [316521699] [2020-07-20 12:58:23,262 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 [2020-07-20 12:58:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:58:23,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 1041 conjuncts, 20 conjunts are in the unsatisfiable core [2020-07-20 12:58:23,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:58:23,683 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 35 proven. 44 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-07-20 12:58:23,684 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 12:58:24,698 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:24,699 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:24,753 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:24,754 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:25,109 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:25,110 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:25,288 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:25,410 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:25,486 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:25,509 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:25,509 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:25,519 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:25,536 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:25,544 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:25,550 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 12:58:25,702 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-07-20 12:58:25,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [316521699] [2020-07-20 12:58:25,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 12:58:25,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2020-07-20 12:58:25,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670417924] [2020-07-20 12:58:25,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 12:58:25,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:58:25,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 12:58:25,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2020-07-20 12:58:25,704 INFO L87 Difference]: Start difference. First operand 2757 states and 3341 transitions. Second operand 9 states. [2020-07-20 12:58:29,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:58:29,178 INFO L93 Difference]: Finished difference Result 7200 states and 9437 transitions. [2020-07-20 12:58:29,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-20 12:58:29,178 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 196 [2020-07-20 12:58:29,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:58:29,214 INFO L225 Difference]: With dead ends: 7200 [2020-07-20 12:58:29,214 INFO L226 Difference]: Without dead ends: 5723 [2020-07-20 12:58:29,222 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 [2020-07-20 12:58:29,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5723 states. [2020-07-20 12:58:29,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5723 to 4639. [2020-07-20 12:58:29,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4639 states. [2020-07-20 12:58:29,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4639 states to 4639 states and 5839 transitions. [2020-07-20 12:58:29,530 INFO L78 Accepts]: Start accepts. Automaton has 4639 states and 5839 transitions. Word has length 196 [2020-07-20 12:58:29,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:58:29,531 INFO L479 AbstractCegarLoop]: Abstraction has 4639 states and 5839 transitions. [2020-07-20 12:58:29,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 12:58:29,531 INFO L276 IsEmpty]: Start isEmpty. Operand 4639 states and 5839 transitions. [2020-07-20 12:58:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-07-20 12:58:29,547 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:58:29,548 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] [2020-07-20 12:58:29,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:58:29,761 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:58:29,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:58:29,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1723920545, now seen corresponding path program 1 times [2020-07-20 12:58:29,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:58:29,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1221127172] [2020-07-20 12:58:29,763 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 [2020-07-20 12:58:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 12:58:30,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 1049 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 12:58:30,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 12:58:30,084 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-07-20 12:58:30,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 12:58:30,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1221127172] [2020-07-20 12:58:30,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 12:58:30,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 12:58:30,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724768101] [2020-07-20 12:58:30,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 12:58:30,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 12:58:30,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 12:58:30,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 12:58:30,086 INFO L87 Difference]: Start difference. First operand 4639 states and 5839 transitions. Second operand 4 states. [2020-07-20 12:58:30,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 12:58:30,233 INFO L93 Difference]: Finished difference Result 7974 states and 10373 transitions. [2020-07-20 12:58:30,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 12:58:30,234 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 198 [2020-07-20 12:58:30,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 12:58:30,260 INFO L225 Difference]: With dead ends: 7974 [2020-07-20 12:58:30,260 INFO L226 Difference]: Without dead ends: 4639 [2020-07-20 12:58:30,272 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 [2020-07-20 12:58:30,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4639 states. [2020-07-20 12:58:30,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4639 to 4635. [2020-07-20 12:58:30,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4635 states. [2020-07-20 12:58:30,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4635 states to 4635 states and 5827 transitions. [2020-07-20 12:58:30,591 INFO L78 Accepts]: Start accepts. Automaton has 4635 states and 5827 transitions. Word has length 198 [2020-07-20 12:58:30,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 12:58:30,591 INFO L479 AbstractCegarLoop]: Abstraction has 4635 states and 5827 transitions. [2020-07-20 12:58:30,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 12:58:30,592 INFO L276 IsEmpty]: Start isEmpty. Operand 4635 states and 5827 transitions. [2020-07-20 12:58:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-07-20 12:58:30,602 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 12:58:30,602 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] [2020-07-20 12:58:30,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:58:30,818 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 12:58:30,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 12:58:30,818 INFO L82 PathProgramCache]: Analyzing trace with hash 58334816, now seen corresponding path program 1 times [2020-07-20 12:58:30,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 12:58:30,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1524649042] [2020-07-20 12:58:30,820 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 [2020-07-20 12:58:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 12:58:31,139 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 12:58:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 12:58:31,251 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 12:58:31,558 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-20 12:58:31,559 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 12:58:31,772 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 12:58:31,872 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 18 could not be translated for associated CType ARRAY#_15_~~Element~0# [2020-07-20 12:58:31,873 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 25 could not be translated for associated CType ARRAY#_15_~~Element~0# [2020-07-20 12:58:31,873 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# [2020-07-20 12:58:31,874 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# [2020-07-20 12:58:31,888 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 [2020-07-20 12:58:31,889 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 [2020-07-20 12:58:31,890 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 [2020-07-20 12:58:31,890 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 [2020-07-20 12:58:31,891 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 [2020-07-20 12:58:31,894 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 [2020-07-20 12:58:31,894 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 [2020-07-20 12:58:31,895 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 [2020-07-20 12:58:31,895 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 [2020-07-20 12:58:31,912 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 [2020-07-20 12:58:31,913 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 [2020-07-20 12:58:31,914 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 [2020-07-20 12:58:31,914 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 [2020-07-20 12:58:31,915 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 [2020-07-20 12:58:31,916 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 [2020-07-20 12:58:31,917 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 [2020-07-20 12:58:31,917 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 [2020-07-20 12:58:31,917 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 [2020-07-20 12:58:31,918 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 [2020-07-20 12:58:31,918 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 [2020-07-20 12:58:31,918 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 [2020-07-20 12:58:31,925 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 [2020-07-20 12:58:31,927 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 [2020-07-20 12:58:31,927 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 [2020-07-20 12:58:31,929 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 [2020-07-20 12:58:31,943 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 [2020-07-20 12:58:31,950 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 [2020-07-20 12:58:31,951 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 [2020-07-20 12:58:31,951 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 [2020-07-20 12:58:31,952 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 [2020-07-20 12:58:31,952 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 [2020-07-20 12:58:31,952 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 [2020-07-20 12:58:31,953 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 [2020-07-20 12:58:31,953 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 [2020-07-20 12:58:31,954 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 [2020-07-20 12:58:31,954 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 [2020-07-20 12:58:31,954 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 [2020-07-20 12:58:31,955 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 [2020-07-20 12:58:31,955 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 [2020-07-20 12:58:31,955 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 [2020-07-20 12:58:31,956 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 [2020-07-20 12:58:31,956 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 [2020-07-20 12:58:31,956 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 [2020-07-20 12:58:31,957 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 [2020-07-20 12:58:31,957 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 [2020-07-20 12:58:31,957 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 [2020-07-20 12:58:31,959 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 [2020-07-20 12:58:31,959 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 [2020-07-20 12:58:31,959 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 [2020-07-20 12:58:31,960 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 [2020-07-20 12:58:31,960 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 [2020-07-20 12:58:31,960 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 [2020-07-20 12:58:31,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 12:58:31 BoogieIcfgContainer [2020-07-20 12:58:31,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 12:58:31,997 INFO L168 Benchmark]: Toolchain (without parser) took 19783.63 ms. Allocated memory was 143.7 MB in the beginning and 625.5 MB in the end (delta: 481.8 MB). Free memory was 93.3 MB in the beginning and 341.2 MB in the end (delta: -247.9 MB). Peak memory consumption was 233.9 MB. Max. memory is 7.1 GB. [2020-07-20 12:58:31,997 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 143.7 MB. Free memory was 119.8 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 12:58:31,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1873.08 ms. Allocated memory was 143.7 MB in the beginning and 207.1 MB in the end (delta: 63.4 MB). Free memory was 92.9 MB in the beginning and 99.5 MB in the end (delta: -6.7 MB). Peak memory consumption was 64.9 MB. Max. memory is 7.1 GB. [2020-07-20 12:58:31,999 INFO L168 Benchmark]: Boogie Preprocessor took 139.29 ms. Allocated memory is still 207.1 MB. Free memory was 99.5 MB in the beginning and 92.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2020-07-20 12:58:32,000 INFO L168 Benchmark]: RCFGBuilder took 1481.48 ms. Allocated memory was 207.1 MB in the beginning and 268.4 MB in the end (delta: 61.3 MB). Free memory was 92.6 MB in the beginning and 207.1 MB in the end (delta: -114.5 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB. [2020-07-20 12:58:32,001 INFO L168 Benchmark]: TraceAbstraction took 16284.29 ms. Allocated memory was 268.4 MB in the beginning and 625.5 MB in the end (delta: 357.0 MB). Free memory was 207.1 MB in the beginning and 341.2 MB in the end (delta: -134.2 MB). Peak memory consumption was 222.9 MB. Max. memory is 7.1 GB. [2020-07-20 12:58:32,004 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 143.7 MB. Free memory was 119.8 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1873.08 ms. Allocated memory was 143.7 MB in the beginning and 207.1 MB in the end (delta: 63.4 MB). Free memory was 92.9 MB in the beginning and 99.5 MB in the end (delta: -6.7 MB). Peak memory consumption was 64.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.29 ms. Allocated memory is still 207.1 MB. Free memory was 99.5 MB in the beginning and 92.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1481.48 ms. Allocated memory was 207.1 MB in the beginning and 268.4 MB in the end (delta: 61.3 MB). Free memory was 92.6 MB in the beginning and 207.1 MB in the end (delta: -114.5 MB). Peak memory consumption was 60.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16284.29 ms. Allocated memory was 268.4 MB in the beginning and 625.5 MB in the end (delta: 357.0 MB). Free memory was 207.1 MB in the beginning and 341.2 MB in the end (delta: -134.2 MB). Peak memory consumption was 222.9 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 25 could not be translated for associated CType ARRAY#_15_~~Element~0# - 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 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: 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)=33, \old(LDV_SKBS)=35, \old(ldv_state_variable_0)=30, \old(ldv_state_variable_1)=28, \old(proto)=null, \old(proto)=null, \old(proto_group0)=27, \old(proto_group0)=37, \old(proto_group1)=20, \old(proto_group1)=9, \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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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)={-36893488147419089725:0}, 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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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)={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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)={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={-36893488147419089725:0}, __size=40, __this_module={51:55}, calloc(1UL, __size)={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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)={-36893488147419089725:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={-36893488147419089725:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set={0:0}, set={12286:0}, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={-36893488147419089725:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}] [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={-36893488147419089725:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}] [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={-36893488147419089725:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={-36893488147419089725:0}, mod_init()=0, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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)={-36893488147419089726:0}, 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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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)={-36893488147419089726:0}, 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={-36893488147419089726:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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)={-36893488147419089726:0}, 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={-36893488147419089726:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={-36893488147419089726:0}, __size=3264, __this_module={51:55}, calloc(1UL, __size)={-36893488147419089726:0}, 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={-36893488147419089726:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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)={-36893488147419089726:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={0:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089726:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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)={-55340232221128654849:0}, 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={12281:0}, proto_group0={0:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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)={-55340232221128654849:0}, 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={-55340232221128654849:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={0:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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)={-55340232221128654849:0}, 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={-55340232221128654849:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={-55340232221128654849:0}, __size=232, __this_module={51:55}, calloc(1UL, __size)={-55340232221128654849:0}, 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={-55340232221128654849:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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)={-55340232221128654849:0}, proto={12281:0}, proto_group0={0:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089726:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089726:0}, tmp___0={-55340232221128654849:0}] [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={-36893488147419089725:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, skb={-55340232221128654849:0}] [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={-36893488147419089726:0}, dev={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, skb={-55340232221128654849:0}, skb={-55340232221128654849:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={-36893488147419089726:0}, dev={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, skb={-55340232221128654849:0}, skb={-55340232221128654849:0}] [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={-36893488147419089726:0}, dev={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, skb={-55340232221128654849:0}, skb={-55340232221128654849:0}, skb->data={-36893488147419103232:61}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={-36893488147419089726:0}, dev={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, skb={-55340232221128654849:0}, skb={-55340232221128654849:0}, skb->data={-36893488147419103232:61}] [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={-36893488147419089726:0}, dev={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, skb={-55340232221128654849:0}, skb={-55340232221128654849:0}, skb->data=258skb->data={-36893488147419103232:61}] [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={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={-36893488147419089726:0}, dev={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, skb={-55340232221128654849:0}, skb={-55340232221128654849:0}, skb->data=258skb->data={-36893488147419103232:61}] [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={-36893488147419089726:0}, dev={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, result=4, set_impl={12286:0}, skb={-55340232221128654849:0}, skb={-55340232221128654849:0}, skb->data={-36893488147419103232:61}skb->data=258] [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={-36893488147419089726:0}, dev={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, result=4, set_impl={12286:0}, skb={-55340232221128654849:0}, skb={-55340232221128654849:0}, skb->data=258skb->data={-36893488147419103232:61}] [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={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={-36893488147419089726:0}, dev={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, reason=0, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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)={-36893488147419103232:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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)={-36893488147419103232:0}, 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={-36893488147419103232:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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)={-36893488147419103232:0}, 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={-36893488147419103232:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={-36893488147419103232:0}, __size=248, __this_module={51:55}, calloc(1UL, __size)={-36893488147419103232:0}, 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={-36893488147419103232:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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 ))={-36893488147419103232:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, skb={-36893488147419103232:0}, tmp___7={-36893488147419103232:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, skb={-36893488147419103232:0}, tmp___7={-36893488147419103232:0}] [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={-36893488147419103232:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set_impl={12286:0}] [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={-36893488147419103232:0}, e={-36893488147419103232:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={12286:0}] [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={-36893488147419103232:0}, e={-36893488147419103232:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={12286:0}] [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={-36893488147419103232:0}, e={-36893488147419103232:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={12286:0}] [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={-36893488147419103232:0}, e={-36893488147419103232:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, skb={-36893488147419103232:0}, tmp___7={-36893488147419103232:0}] [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={-36893488147419103232:0}, __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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, skb={-36893488147419103232:0}, tmp___7={-36893488147419103232:0}] [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()={-36893488147419103232:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, length=1, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={-36893488147419103232:0}, __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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419103232:0}] [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={-36893488147419089726:0}, dev={-36893488147419089726:0}, last_index=1, ldv_dev_alloc_skb_12(1U)={-36893488147419103232:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, reason=0, ref_cnt=0, set_impl={12286:0}] [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={-36893488147419089726:0}, dev={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, reason=0, ref_cnt=0, set_impl={12286:0}] [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={-36893488147419089726:0}, dev={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, result=4, set_impl={12286:0}, skb={-55340232221128654849:0}, skb={-55340232221128654849:0}, skb->data=258skb->data={-36893488147419103232:61}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, skb={-55340232221128654849:0}] [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={-55340232221128654849:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set_impl={12286:0}] [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={-55340232221128654849:0}, e={-55340232221128654849:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={12286:0}] [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={-55340232221128654849:0}, e={-55340232221128654849:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={12286:0}] [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={-55340232221128654849:0}, e={-55340232221128654849:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={12286:0}] [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={-55340232221128654849:0}, e={-55340232221128654849:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={12286:0}, set_impl[i]={-36893488147419103232:0}] [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={-55340232221128654849:0}, e={-55340232221128654849:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={12286:0}] [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={-55340232221128654849:0}, e={-55340232221128654849:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={12286:0}] [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={-55340232221128654849:0}, e={-55340232221128654849:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={12286:0}] [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={-55340232221128654849:0}, e={-55340232221128654849:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, skb={-55340232221128654849:0}, skb={-55340232221128654849:0}] [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={-36893488147419089726:0}, dev={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, result=4, set_impl={12286:0}, skb={-55340232221128654849:0}, skb={-55340232221128654849:0}, skb->data=258skb->data={-36893488147419103232:61}] [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={-36893488147419089726:0}, dev={-36893488147419089726:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, result=4, set_impl={12286:0}, skb={-55340232221128654849:0}, skb={-55340232221128654849:0}, skb->data=258skb->data={-36893488147419103232:61}] [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={-36893488147419089725:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={-36893488147419089725:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={-36893488147419089725:0}, proto={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, tmp={-36893488147419089725:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set={0:0}, set={0:0}, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}, 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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] [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={12281:0}, proto_group0={-55340232221128654849:0}, proto_group1={-36893488147419089726:0}, ref_cnt=0, set_impl={12286:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 89 procedures, 541 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 15.9s, OverallIterations: 9, TraceHistogramMax: 6, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4103 SDtfs, 4096 SDslu, 6301 SDs, 0 SdLazy, 3268 SolverSat, 1236 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s 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: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.1s 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...