/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 23:09:02,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 23:09:02,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 23:09:02,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 23:09:02,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 23:09:02,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 23:09:02,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 23:09:02,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 23:09:02,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 23:09:02,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 23:09:02,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 23:09:02,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 23:09:02,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 23:09:02,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 23:09:02,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 23:09:02,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 23:09:02,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 23:09:02,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 23:09:02,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 23:09:02,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 23:09:02,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 23:09:02,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 23:09:02,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 23:09:02,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 23:09:02,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 23:09:02,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 23:09:02,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 23:09:02,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 23:09:02,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 23:09:02,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 23:09:02,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 23:09:02,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 23:09:02,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 23:09:02,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 23:09:02,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 23:09:02,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 23:09:02,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 23:09:02,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 23:09:02,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 23:09:02,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 23:09:02,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 23:09:02,137 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 23:09:02,155 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 23:09:02,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 23:09:02,157 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 23:09:02,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 23:09:02,158 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 23:09:02,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 23:09:02,158 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 23:09:02,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 23:09:02,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 23:09:02,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 23:09:02,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 23:09:02,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 23:09:02,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 23:09:02,161 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 23:09:02,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 23:09:02,161 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 23:09:02,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 23:09:02,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 23:09:02,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 23:09:02,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 23:09:02,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 23:09:02,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 23:09:02,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 23:09:02,163 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 23:09:02,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 23:09:02,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 23:09:02,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 23:09:02,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 23:09:02,164 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-06 23:09:02,442 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 23:09:02,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 23:09:02,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 23:09:02,464 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 23:09:02,465 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 23:09:02,466 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2019-11-06 23:09:02,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e0dee472/40c3546c45e84991ac61ea5d33cc3cc8/FLAG040aa32cd [2019-11-06 23:09:03,292 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 23:09:03,293 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2019-11-06 23:09:03,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e0dee472/40c3546c45e84991ac61ea5d33cc3cc8/FLAG040aa32cd [2019-11-06 23:09:03,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e0dee472/40c3546c45e84991ac61ea5d33cc3cc8 [2019-11-06 23:09:03,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 23:09:03,388 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 23:09:03,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 23:09:03,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 23:09:03,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 23:09:03,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:03" (1/1) ... [2019-11-06 23:09:03,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79981740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:03, skipping insertion in model container [2019-11-06 23:09:03,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:03" (1/1) ... [2019-11-06 23:09:03,403 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 23:09:03,526 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 23:09:05,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:09:05,301 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 23:09:05,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:09:05,925 INFO L192 MainTranslator]: Completed translation [2019-11-06 23:09:05,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:05 WrapperNode [2019-11-06 23:09:05,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 23:09:05,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 23:09:05,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 23:09:05,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 23:09:05,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:05" (1/1) ... [2019-11-06 23:09:05,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:05" (1/1) ... [2019-11-06 23:09:06,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:05" (1/1) ... [2019-11-06 23:09:06,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:05" (1/1) ... [2019-11-06 23:09:06,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:05" (1/1) ... [2019-11-06 23:09:06,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:05" (1/1) ... [2019-11-06 23:09:06,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:05" (1/1) ... [2019-11-06 23:09:06,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 23:09:06,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 23:09:06,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 23:09:06,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 23:09:06,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:05" (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 [2019-11-06 23:09:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 23:09:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 23:09:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-06 23:09:06,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-06 23:09:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2019-11-06 23:09:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 23:09:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-11-06 23:09:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-11-06 23:09:06,276 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-11-06 23:09:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-11-06 23:09:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-06 23:09:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-11-06 23:09:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-06 23:09:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-06 23:09:06,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-11-06 23:09:06,278 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-06 23:09:06,278 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-11-06 23:09:06,278 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-06 23:09:06,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 23:09:06,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 23:09:06,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 23:09:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 23:09:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-06 23:09:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-11-06 23:09:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-11-06 23:09:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-11-06 23:09:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-11-06 23:09:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2019-11-06 23:09:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-11-06 23:09:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-11-06 23:09:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-11-06 23:09:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-11-06 23:09:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-11-06 23:09:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-11-06 23:09:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-11-06 23:09:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-11-06 23:09:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-11-06 23:09:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc_bufs [2019-11-06 23:09:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2019-11-06 23:09:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_realloc_bufs [2019-11-06 23:09:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_lock [2019-11-06 23:09:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2019-11-06 23:09:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2019-11-06 23:09:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_encaps [2019-11-06 23:09:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_write_wakeup [2019-11-06 23:09:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2019-11-06 23:09:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_xmit [2019-11-06 23:09:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_close [2019-11-06 23:09:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_open [2019-11-06 23:09:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2019-11-06 23:09:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2019-11-06 23:09:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_init [2019-11-06 23:09:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_uninit [2019-11-06 23:09:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_netdev [2019-11-06 23:09:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_setup [2019-11-06 23:09:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_receive_buf [2019-11-06 23:09:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_sync [2019-11-06 23:09:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc [2019-11-06 23:09:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_open [2019-11-06 23:09:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2019-11-06 23:09:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2019-11-06 23:09:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc [2019-11-06 23:09:06,288 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc [2019-11-06 23:09:06,288 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc6 [2019-11-06 23:09:06,288 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc6 [2019-11-06 23:09:06,288 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2019-11-06 23:09:06,288 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2019-11-06 23:09:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2019-11-06 23:09:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_init [2019-11-06 23:09:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_exit [2019-11-06 23:09:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_outfill [2019-11-06 23:09:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_keepalive [2019-11-06 23:09:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 23:09:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sl_alloc_bufs_1 [2019-11-06 23:09:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_2 [2019-11-06 23:09:06,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_slip_open_3 [2019-11-06 23:09:06,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 23:09:06,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_callback_ret_val [2019-11-06 23:09:06,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-11-06 23:09:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-06 23:09:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-06 23:09:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-06 23:09:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-11-06 23:09:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-06 23:09:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-11-06 23:09:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-11-06 23:09:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-11-06 23:09:06,296 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-11-06 23:09:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-11-06 23:09:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-11-06 23:09:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-11-06 23:09:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-11-06 23:09:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2019-11-06 23:09:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-11-06 23:09:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-11-06 23:09:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-11-06 23:09:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 23:09:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-11-06 23:09:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-11-06 23:09:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 23:09:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-11-06 23:09:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-11-06 23:09:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-11-06 23:09:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-11-06 23:09:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-11-06 23:09:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 23:09:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2019-11-06 23:09:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-11-06 23:09:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-11-06 23:09:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-11-06 23:09:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2019-11-06 23:09:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2019-11-06 23:09:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2019-11-06 23:09:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2019-11-06 23:09:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2019-11-06 23:09:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_chars_in_buffer [2019-11-06 23:09:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2019-11-06 23:09:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2019-11-06 23:09:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-11-06 23:09:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-11-06 23:09:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-11-06 23:09:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-11-06 23:09:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2019-11-06 23:09:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-11-06 23:09:06,303 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 23:09:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 23:09:06,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 23:09:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 23:09:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 23:09:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-06 23:09:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 23:09:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2019-11-06 23:09:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_callback_ret_val [2019-11-06 23:09:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-11-06 23:09:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-11-06 23:09:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-11-06 23:09:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-11-06 23:09:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-06 23:09:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 23:09:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 23:09:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-11-06 23:09:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-11-06 23:09:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-11-06 23:09:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-06 23:09:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-11-06 23:09:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-11-06 23:09:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-11-06 23:09:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-06 23:09:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-06 23:09:06,318 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-11-06 23:09:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-06 23:09:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-11-06 23:09:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-06 23:09:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-06 23:09:06,319 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-11-06 23:09:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-06 23:09:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-11-06 23:09:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-11-06 23:09:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-11-06 23:09:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-11-06 23:09:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-11-06 23:09:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-11-06 23:09:06,320 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-11-06 23:09:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-06 23:09:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-06 23:09:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-11-06 23:09:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure tty_chars_in_buffer [2019-11-06 23:09:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2019-11-06 23:09:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-11-06 23:09:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2019-11-06 23:09:06,321 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-11-06 23:09:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-11-06 23:09:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 23:09:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 23:09:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 23:09:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 23:09:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 23:09:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 23:09:06,322 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 23:09:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 23:09:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-06 23:09:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-11-06 23:09:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-11-06 23:09:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-11-06 23:09:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 23:09:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 23:09:06,323 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-11-06 23:09:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-11-06 23:09:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-11-06 23:09:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-11-06 23:09:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2019-11-06 23:09:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2019-11-06 23:09:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_2 [2019-11-06 23:09:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2019-11-06 23:09:06,324 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2019-11-06 23:09:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-11-06 23:09:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-11-06 23:09:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-11-06 23:09:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-11-06 23:09:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-11-06 23:09:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-11-06 23:09:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-11-06 23:09:06,325 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-11-06 23:09:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 23:09:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-11-06 23:09:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-11-06 23:09:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-11-06 23:09:06,326 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-11-06 23:09:06,327 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-11-06 23:09:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-11-06 23:09:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-11-06 23:09:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-11-06 23:09:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-11-06 23:09:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-11-06 23:09:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2019-11-06 23:09:06,328 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2019-11-06 23:09:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2019-11-06 23:09:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2019-11-06 23:09:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2019-11-06 23:09:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc [2019-11-06 23:09:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc [2019-11-06 23:09:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc6 [2019-11-06 23:09:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc6 [2019-11-06 23:09:06,329 INFO L130 BoogieDeclarations]: Found specification of procedure sl_keepalive [2019-11-06 23:09:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure sl_outfill [2019-11-06 23:09:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2019-11-06 23:09:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc_bufs [2019-11-06 23:09:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sl_alloc_bufs_1 [2019-11-06 23:09:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2019-11-06 23:09:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 23:09:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure sl_realloc_bufs [2019-11-06 23:09:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 23:09:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 23:09:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure sl_lock [2019-11-06 23:09:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2019-11-06 23:09:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2019-11-06 23:09:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure sl_encaps [2019-11-06 23:09:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-06 23:09:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 23:09:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure slip_write_wakeup [2019-11-06 23:09:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2019-11-06 23:09:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure sl_xmit [2019-11-06 23:09:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure sl_close [2019-11-06 23:09:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure sl_open [2019-11-06 23:09:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2019-11-06 23:09:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2019-11-06 23:09:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure sl_init [2019-11-06 23:09:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure sl_uninit [2019-11-06 23:09:06,332 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_netdev [2019-11-06 23:09:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure sl_setup [2019-11-06 23:09:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure slip_receive_buf [2019-11-06 23:09:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure sl_sync [2019-11-06 23:09:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc [2019-11-06 23:09:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure slip_open [2019-11-06 23:09:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_slip_open_3 [2019-11-06 23:09:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2019-11-06 23:09:06,333 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2019-11-06 23:09:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2019-11-06 23:09:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2019-11-06 23:09:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure slip_init [2019-11-06 23:09:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure slip_exit [2019-11-06 23:09:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 23:09:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-11-06 23:09:06,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 23:09:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-11-06 23:09:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 23:09:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 23:09:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 23:09:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 23:09:06,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-06 23:09:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 23:09:06,341 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 23:09:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 23:09:06,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 23:09:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 23:09:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 23:09:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 23:09:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 23:09:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 23:09:06,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 23:09:07,296 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-06 23:09:09,694 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 23:09:09,694 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 23:09:09,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:09 BoogieIcfgContainer [2019-11-06 23:09:09,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 23:09:09,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 23:09:09,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 23:09:09,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 23:09:09,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:09:03" (1/3) ... [2019-11-06 23:09:09,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46bfbc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:09, skipping insertion in model container [2019-11-06 23:09:09,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:05" (2/3) ... [2019-11-06 23:09:09,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46bfbc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:09, skipping insertion in model container [2019-11-06 23:09:09,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:09" (3/3) ... [2019-11-06 23:09:09,705 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2019-11-06 23:09:09,716 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 23:09:09,733 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 23:09:09,744 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 23:09:09,790 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 23:09:09,790 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 23:09:09,790 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 23:09:09,790 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 23:09:09,790 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 23:09:09,790 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 23:09:09,790 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 23:09:09,791 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 23:09:09,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states. [2019-11-06 23:09:09,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-06 23:09:09,868 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:09,869 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 23:09:09,870 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:09,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:09,875 INFO L82 PathProgramCache]: Analyzing trace with hash 573246578, now seen corresponding path program 1 times [2019-11-06 23:09:09,884 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:09,884 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862641295] [2019-11-06 23:09:09,884 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:10,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-06 23:09:10,362 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862641295] [2019-11-06 23:09:10,363 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:10,364 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 23:09:10,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002819833] [2019-11-06 23:09:10,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 23:09:10,371 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:10,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 23:09:10,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:09:10,388 INFO L87 Difference]: Start difference. First operand 1230 states. Second operand 5 states. [2019-11-06 23:09:14,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:14,994 INFO L93 Difference]: Finished difference Result 2445 states and 3378 transitions. [2019-11-06 23:09:14,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 23:09:14,996 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-11-06 23:09:14,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:15,027 INFO L225 Difference]: With dead ends: 2445 [2019-11-06 23:09:15,027 INFO L226 Difference]: Without dead ends: 1176 [2019-11-06 23:09:15,040 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:09:15,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2019-11-06 23:09:15,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1176. [2019-11-06 23:09:15,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2019-11-06 23:09:15,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1616 transitions. [2019-11-06 23:09:15,211 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1616 transitions. Word has length 77 [2019-11-06 23:09:15,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:15,213 INFO L462 AbstractCegarLoop]: Abstraction has 1176 states and 1616 transitions. [2019-11-06 23:09:15,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 23:09:15,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1616 transitions. [2019-11-06 23:09:15,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-06 23:09:15,219 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:15,219 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 23:09:15,219 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:15,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:15,220 INFO L82 PathProgramCache]: Analyzing trace with hash 155849972, now seen corresponding path program 1 times [2019-11-06 23:09:15,220 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:15,220 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310017740] [2019-11-06 23:09:15,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-06 23:09:15,462 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310017740] [2019-11-06 23:09:15,462 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:15,462 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 23:09:15,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498441773] [2019-11-06 23:09:15,465 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 23:09:15,465 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:15,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 23:09:15,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-06 23:09:15,466 INFO L87 Difference]: Start difference. First operand 1176 states and 1616 transitions. Second operand 10 states. [2019-11-06 23:09:15,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:15,634 INFO L93 Difference]: Finished difference Result 2324 states and 3199 transitions. [2019-11-06 23:09:15,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 23:09:15,635 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 77 [2019-11-06 23:09:15,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:15,646 INFO L225 Difference]: With dead ends: 2324 [2019-11-06 23:09:15,646 INFO L226 Difference]: Without dead ends: 1178 [2019-11-06 23:09:15,651 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-06 23:09:15,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2019-11-06 23:09:15,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1176. [2019-11-06 23:09:15,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2019-11-06 23:09:15,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1615 transitions. [2019-11-06 23:09:15,727 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1615 transitions. Word has length 77 [2019-11-06 23:09:15,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:15,728 INFO L462 AbstractCegarLoop]: Abstraction has 1176 states and 1615 transitions. [2019-11-06 23:09:15,728 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 23:09:15,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1615 transitions. [2019-11-06 23:09:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-06 23:09:15,732 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:15,733 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 23:09:15,733 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:15,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:15,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1128765276, now seen corresponding path program 1 times [2019-11-06 23:09:15,734 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:15,734 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191732403] [2019-11-06 23:09:15,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-06 23:09:15,888 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191732403] [2019-11-06 23:09:15,888 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:15,888 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 23:09:15,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611383165] [2019-11-06 23:09:15,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 23:09:15,889 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:15,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 23:09:15,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-06 23:09:15,890 INFO L87 Difference]: Start difference. First operand 1176 states and 1615 transitions. Second operand 7 states. [2019-11-06 23:09:16,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:16,015 INFO L93 Difference]: Finished difference Result 1190 states and 1629 transitions. [2019-11-06 23:09:16,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 23:09:16,016 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2019-11-06 23:09:16,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:16,023 INFO L225 Difference]: With dead ends: 1190 [2019-11-06 23:09:16,024 INFO L226 Difference]: Without dead ends: 1187 [2019-11-06 23:09:16,025 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-06 23:09:16,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2019-11-06 23:09:16,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1184. [2019-11-06 23:09:16,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2019-11-06 23:09:16,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1623 transitions. [2019-11-06 23:09:16,079 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1623 transitions. Word has length 84 [2019-11-06 23:09:16,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:16,080 INFO L462 AbstractCegarLoop]: Abstraction has 1184 states and 1623 transitions. [2019-11-06 23:09:16,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-06 23:09:16,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1623 transitions. [2019-11-06 23:09:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-11-06 23:09:16,084 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:16,085 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 23:09:16,085 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:16,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:16,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1221708005, now seen corresponding path program 1 times [2019-11-06 23:09:16,085 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:16,086 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145285568] [2019-11-06 23:09:16,086 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:16,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-06 23:09:16,181 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145285568] [2019-11-06 23:09:16,182 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:16,182 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:09:16,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83634640] [2019-11-06 23:09:16,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:09:16,183 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:16,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:09:16,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:16,183 INFO L87 Difference]: Start difference. First operand 1184 states and 1623 transitions. Second operand 3 states. [2019-11-06 23:09:16,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:16,327 INFO L93 Difference]: Finished difference Result 2335 states and 3212 transitions. [2019-11-06 23:09:16,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:09:16,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2019-11-06 23:09:16,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:16,338 INFO L225 Difference]: With dead ends: 2335 [2019-11-06 23:09:16,338 INFO L226 Difference]: Without dead ends: 1185 [2019-11-06 23:09:16,343 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:16,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2019-11-06 23:09:16,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2019-11-06 23:09:16,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1185 states. [2019-11-06 23:09:16,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1624 transitions. [2019-11-06 23:09:16,400 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1624 transitions. Word has length 100 [2019-11-06 23:09:16,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:16,401 INFO L462 AbstractCegarLoop]: Abstraction has 1185 states and 1624 transitions. [2019-11-06 23:09:16,401 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:09:16,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1624 transitions. [2019-11-06 23:09:16,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-11-06 23:09:16,405 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:16,405 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 23:09:16,405 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:16,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:16,406 INFO L82 PathProgramCache]: Analyzing trace with hash -210590755, now seen corresponding path program 1 times [2019-11-06 23:09:16,406 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:16,406 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630088496] [2019-11-06 23:09:16,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:16,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-06 23:09:16,545 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630088496] [2019-11-06 23:09:16,546 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:16,546 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 23:09:16,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716112136] [2019-11-06 23:09:16,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 23:09:16,547 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:16,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 23:09:16,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-06 23:09:16,547 INFO L87 Difference]: Start difference. First operand 1185 states and 1624 transitions. Second operand 8 states. [2019-11-06 23:09:16,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:16,685 INFO L93 Difference]: Finished difference Result 1219 states and 1664 transitions. [2019-11-06 23:09:16,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-06 23:09:16,686 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2019-11-06 23:09:16,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:16,695 INFO L225 Difference]: With dead ends: 1219 [2019-11-06 23:09:16,695 INFO L226 Difference]: Without dead ends: 1216 [2019-11-06 23:09:16,696 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-06 23:09:16,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2019-11-06 23:09:16,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1187. [2019-11-06 23:09:16,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1187 states. [2019-11-06 23:09:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1627 transitions. [2019-11-06 23:09:16,758 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1627 transitions. Word has length 100 [2019-11-06 23:09:16,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:16,759 INFO L462 AbstractCegarLoop]: Abstraction has 1187 states and 1627 transitions. [2019-11-06 23:09:16,759 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 23:09:16,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1627 transitions. [2019-11-06 23:09:16,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-06 23:09:16,766 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:16,766 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 23:09:16,766 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:16,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:16,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1613948095, now seen corresponding path program 1 times [2019-11-06 23:09:16,767 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:16,767 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506840722] [2019-11-06 23:09:16,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-06 23:09:16,930 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506840722] [2019-11-06 23:09:16,931 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:16,931 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 23:09:16,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164666592] [2019-11-06 23:09:16,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 23:09:16,932 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:16,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 23:09:16,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 23:09:16,933 INFO L87 Difference]: Start difference. First operand 1187 states and 1627 transitions. Second operand 4 states. [2019-11-06 23:09:18,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:18,527 INFO L93 Difference]: Finished difference Result 2361 states and 3240 transitions. [2019-11-06 23:09:18,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-06 23:09:18,528 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2019-11-06 23:09:18,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:18,536 INFO L225 Difference]: With dead ends: 2361 [2019-11-06 23:09:18,536 INFO L226 Difference]: Without dead ends: 1208 [2019-11-06 23:09:18,540 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 23:09:18,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2019-11-06 23:09:18,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1208. [2019-11-06 23:09:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2019-11-06 23:09:18,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1646 transitions. [2019-11-06 23:09:18,602 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1646 transitions. Word has length 134 [2019-11-06 23:09:18,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:18,604 INFO L462 AbstractCegarLoop]: Abstraction has 1208 states and 1646 transitions. [2019-11-06 23:09:18,604 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 23:09:18,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1646 transitions. [2019-11-06 23:09:18,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-06 23:09:18,613 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:18,613 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-06 23:09:18,613 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:18,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:18,614 INFO L82 PathProgramCache]: Analyzing trace with hash -2028554236, now seen corresponding path program 1 times [2019-11-06 23:09:18,614 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:18,614 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305408415] [2019-11-06 23:09:18,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:18,741 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-06 23:09:18,742 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305408415] [2019-11-06 23:09:18,742 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:18,742 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:09:18,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773009339] [2019-11-06 23:09:18,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:09:18,743 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:18,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:09:18,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:18,744 INFO L87 Difference]: Start difference. First operand 1208 states and 1646 transitions. Second operand 3 states. [2019-11-06 23:09:18,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:18,823 INFO L93 Difference]: Finished difference Result 2362 states and 3249 transitions. [2019-11-06 23:09:18,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:09:18,824 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-11-06 23:09:18,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:18,832 INFO L225 Difference]: With dead ends: 2362 [2019-11-06 23:09:18,832 INFO L226 Difference]: Without dead ends: 1209 [2019-11-06 23:09:18,837 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:18,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2019-11-06 23:09:18,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1208. [2019-11-06 23:09:18,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2019-11-06 23:09:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1643 transitions. [2019-11-06 23:09:18,897 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1643 transitions. Word has length 136 [2019-11-06 23:09:18,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:18,898 INFO L462 AbstractCegarLoop]: Abstraction has 1208 states and 1643 transitions. [2019-11-06 23:09:18,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:09:18,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1643 transitions. [2019-11-06 23:09:18,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-06 23:09:18,903 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:18,904 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:09:18,904 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:18,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:18,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1618378941, now seen corresponding path program 1 times [2019-11-06 23:09:18,904 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:18,905 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607637483] [2019-11-06 23:09:18,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-06 23:09:19,265 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607637483] [2019-11-06 23:09:19,265 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:19,266 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 23:09:19,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020333447] [2019-11-06 23:09:19,266 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 23:09:19,267 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:19,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 23:09:19,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-11-06 23:09:19,267 INFO L87 Difference]: Start difference. First operand 1208 states and 1643 transitions. Second operand 11 states. [2019-11-06 23:09:19,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:19,588 INFO L93 Difference]: Finished difference Result 2394 states and 3268 transitions. [2019-11-06 23:09:19,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-06 23:09:19,589 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2019-11-06 23:09:19,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:19,597 INFO L225 Difference]: With dead ends: 2394 [2019-11-06 23:09:19,597 INFO L226 Difference]: Without dead ends: 1216 [2019-11-06 23:09:19,602 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2019-11-06 23:09:19,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2019-11-06 23:09:19,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1208. [2019-11-06 23:09:19,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2019-11-06 23:09:19,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1642 transitions. [2019-11-06 23:09:19,664 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1642 transitions. Word has length 139 [2019-11-06 23:09:19,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:19,664 INFO L462 AbstractCegarLoop]: Abstraction has 1208 states and 1642 transitions. [2019-11-06 23:09:19,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 23:09:19,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1642 transitions. [2019-11-06 23:09:19,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-06 23:09:19,671 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:19,671 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:09:19,672 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:19,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:19,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1497993997, now seen corresponding path program 1 times [2019-11-06 23:09:19,672 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:19,673 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492721484] [2019-11-06 23:09:19,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:20,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-06 23:09:20,028 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492721484] [2019-11-06 23:09:20,030 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:20,030 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-06 23:09:20,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878610034] [2019-11-06 23:09:20,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 23:09:20,031 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:20,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 23:09:20,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:09:20,032 INFO L87 Difference]: Start difference. First operand 1208 states and 1642 transitions. Second operand 5 states. [2019-11-06 23:09:20,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:20,148 INFO L93 Difference]: Finished difference Result 2369 states and 3239 transitions. [2019-11-06 23:09:20,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-06 23:09:20,148 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2019-11-06 23:09:20,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:20,156 INFO L225 Difference]: With dead ends: 2369 [2019-11-06 23:09:20,156 INFO L226 Difference]: Without dead ends: 1216 [2019-11-06 23:09:20,161 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-06 23:09:20,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2019-11-06 23:09:20,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1212. [2019-11-06 23:09:20,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1212 states. [2019-11-06 23:09:20,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1646 transitions. [2019-11-06 23:09:20,234 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1646 transitions. Word has length 144 [2019-11-06 23:09:20,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:20,234 INFO L462 AbstractCegarLoop]: Abstraction has 1212 states and 1646 transitions. [2019-11-06 23:09:20,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 23:09:20,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1646 transitions. [2019-11-06 23:09:20,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-11-06 23:09:20,240 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:20,240 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:09:20,241 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:20,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:20,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1491403801, now seen corresponding path program 1 times [2019-11-06 23:09:20,241 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:20,241 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547806029] [2019-11-06 23:09:20,242 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-06 23:09:20,369 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547806029] [2019-11-06 23:09:20,370 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:20,370 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:09:20,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587643329] [2019-11-06 23:09:20,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:09:20,372 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:20,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:09:20,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:20,372 INFO L87 Difference]: Start difference. First operand 1212 states and 1646 transitions. Second operand 3 states. [2019-11-06 23:09:20,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:20,525 INFO L93 Difference]: Finished difference Result 2372 states and 3244 transitions. [2019-11-06 23:09:20,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:09:20,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-11-06 23:09:20,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:20,537 INFO L225 Difference]: With dead ends: 2372 [2019-11-06 23:09:20,537 INFO L226 Difference]: Without dead ends: 1215 [2019-11-06 23:09:20,547 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:20,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2019-11-06 23:09:20,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1213. [2019-11-06 23:09:20,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2019-11-06 23:09:20,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1647 transitions. [2019-11-06 23:09:20,623 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1647 transitions. Word has length 171 [2019-11-06 23:09:20,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:20,624 INFO L462 AbstractCegarLoop]: Abstraction has 1213 states and 1647 transitions. [2019-11-06 23:09:20,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:09:20,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1647 transitions. [2019-11-06 23:09:20,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-06 23:09:20,633 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:20,633 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:09:20,634 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:20,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:20,634 INFO L82 PathProgramCache]: Analyzing trace with hash 2010448998, now seen corresponding path program 1 times [2019-11-06 23:09:20,635 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:20,635 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579566886] [2019-11-06 23:09:20,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:20,804 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-06 23:09:20,804 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579566886] [2019-11-06 23:09:20,804 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:20,804 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:09:20,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830514531] [2019-11-06 23:09:20,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:09:20,806 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:20,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:09:20,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:20,807 INFO L87 Difference]: Start difference. First operand 1213 states and 1647 transitions. Second operand 3 states. [2019-11-06 23:09:20,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:20,898 INFO L93 Difference]: Finished difference Result 2362 states and 3231 transitions. [2019-11-06 23:09:20,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:09:20,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2019-11-06 23:09:20,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:20,909 INFO L225 Difference]: With dead ends: 2362 [2019-11-06 23:09:20,909 INFO L226 Difference]: Without dead ends: 1204 [2019-11-06 23:09:20,914 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:09:20,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2019-11-06 23:09:20,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1199. [2019-11-06 23:09:20,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2019-11-06 23:09:20,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1628 transitions. [2019-11-06 23:09:20,970 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1628 transitions. Word has length 173 [2019-11-06 23:09:20,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:20,970 INFO L462 AbstractCegarLoop]: Abstraction has 1199 states and 1628 transitions. [2019-11-06 23:09:20,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:09:20,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1628 transitions. [2019-11-06 23:09:20,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-06 23:09:20,976 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:20,976 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:09:20,977 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:20,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:20,977 INFO L82 PathProgramCache]: Analyzing trace with hash 394502906, now seen corresponding path program 1 times [2019-11-06 23:09:20,978 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:20,978 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26992134] [2019-11-06 23:09:20,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:09:21,191 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-06 23:09:21,191 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26992134] [2019-11-06 23:09:21,191 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:09:21,191 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-06 23:09:21,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953885078] [2019-11-06 23:09:21,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-06 23:09:21,192 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:09:21,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-06 23:09:21,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-06 23:09:21,193 INFO L87 Difference]: Start difference. First operand 1199 states and 1628 transitions. Second operand 6 states. [2019-11-06 23:09:26,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:09:26,655 INFO L93 Difference]: Finished difference Result 2356 states and 3223 transitions. [2019-11-06 23:09:26,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-06 23:09:26,656 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 184 [2019-11-06 23:09:26,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:09:26,663 INFO L225 Difference]: With dead ends: 2356 [2019-11-06 23:09:26,664 INFO L226 Difference]: Without dead ends: 1212 [2019-11-06 23:09:26,668 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-06 23:09:26,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2019-11-06 23:09:26,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1200. [2019-11-06 23:09:26,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1200 states. [2019-11-06 23:09:26,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1629 transitions. [2019-11-06 23:09:26,716 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1629 transitions. Word has length 184 [2019-11-06 23:09:26,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:09:26,717 INFO L462 AbstractCegarLoop]: Abstraction has 1200 states and 1629 transitions. [2019-11-06 23:09:26,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-06 23:09:26,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1629 transitions. [2019-11-06 23:09:26,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-11-06 23:09:26,723 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:09:26,723 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:09:26,724 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:09:26,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:09:26,724 INFO L82 PathProgramCache]: Analyzing trace with hash -733466725, now seen corresponding path program 1 times [2019-11-06 23:09:26,724 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:09:26,724 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419018497] [2019-11-06 23:09:26,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:09:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-06 23:09:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-06 23:09:28,050 INFO L172 FreeRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-11-06 23:09:28,050 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-06 23:09:28,186 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 65582 could not be translated for associated CType STRUCT~~net_device_ops?ndo_init~*((*net_device ) : INT)?ndo_uninit~*((*net_device ) : VOID)?ndo_open~*((*net_device ) : INT)?ndo_stop~*((*net_device ) : INT)?ndo_start_xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?ndo_select_queue~*((*net_device *sk_buff ) : ~u16~0)?ndo_change_rx_flags~*((*net_device INT ) : VOID)?ndo_set_rx_mode~*((*net_device ) : VOID)?ndo_set_multicast_list~*((*net_device ) : VOID)?ndo_set_mac_address~*((*net_device *VOID ) : INT)?ndo_validate_addr~*((*net_device ) : INT)?ndo_do_ioctl~*((*net_device *ifreq INT ) : INT)?ndo_set_config~*((*net_device *ifmap ) : INT)?ndo_change_mtu~*((*net_device INT ) : INT)?ndo_neigh_setup~*((*net_device *neigh_parms ) : INT)?ndo_tx_timeout~*((*net_device ) : VOID)?ndo_get_stats64~*((*net_device *rtnl_link_stats64 ) : *rtnl_link_stats64)?ndo_get_stats~*((*net_device ) : *net_device_stats)?ndo_vlan_rx_register~*((*net_device *vlan_group ) : VOID)?ndo_vlan_rx_add_vid~*((*net_device USHORT ) : VOID)?ndo_vlan_rx_kill_vid~*((*net_device USHORT ) : VOID)?ndo_poll_controller~*((*net_device ) : VOID)?ndo_netpoll_setup~*((*net_device *netpoll_info ) : INT)?ndo_netpoll_cleanup~*((*net_device ) : VOID)?ndo_set_vf_mac~*((*net_device INT *~u8~0 ) : INT)?ndo_set_vf_vlan~*((*net_device INT ~u16~0 ~u8~0 ) : INT)?ndo_set_vf_tx_rate~*((*net_device INT INT ) : INT)?ndo_get_vf_config~*((*net_device INT *ifla_vf_info ) : INT)?ndo_set_vf_port~*((*net_device INT **nlattr ) : INT)?ndo_get_vf_port~*((*net_device INT *sk_buff ) : INT)?ndo_fcoe_enable~*((*net_device ) : INT)?ndo_fcoe_disable~*((*net_device ) : INT)?ndo_fcoe_ddp_setup~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_ddp_done~*((*net_device ~u16~0 ) : INT)?ndo_fcoe_get_wwn~*((*net_device *~u64~0 INT ) : INT)# [2019-11-06 23:09:28,187 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 65602 could not be translated for associated CType STRUCT~~tty_ldisc_ops?magic~INT?name~*CHAR?num~INT?flags~INT?open~*((*tty_struct ) : INT)?close~*((*tty_struct ) : VOID)?flush_buffer~*((*tty_struct ) : VOID)?chars_in_buffer~*((*tty_struct ) : UINT)?read~*((*tty_struct *file *UCHAR UINT ) : UINT)?write~*((*tty_struct *file *UCHAR UINT ) : UINT)?ioctl~*((*tty_struct *file UINT ULONG ) : INT)?compat_ioctl~*((*tty_struct *file UINT ULONG ) : LONG)?set_termios~*((*tty_struct *ktermios ) : VOID)?poll~*((*tty_struct *file *poll_table_struct ) : UINT)?hangup~*((*tty_struct ) : INT)?receive_buf~*((*tty_struct *UCHAR *CHAR INT ) : VOID)?write_wakeup~*((*tty_struct ) : VOID)?dcd_change~*((*tty_struct UINT *pps_event_time ) : VOID)?owner~*module?refcount~INT# [2019-11-06 23:09:28,188 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 65599 could not be translated for associated CType STRUCT~~tty_ldisc_ops?magic~INT?name~*CHAR?num~INT?flags~INT?open~*((*tty_struct ) : INT)?close~*((*tty_struct ) : VOID)?flush_buffer~*((*tty_struct ) : VOID)?chars_in_buffer~*((*tty_struct ) : UINT)?read~*((*tty_struct *file *UCHAR UINT ) : UINT)?write~*((*tty_struct *file *UCHAR UINT ) : UINT)?ioctl~*((*tty_struct *file UINT ULONG ) : INT)?compat_ioctl~*((*tty_struct *file UINT ULONG ) : LONG)?set_termios~*((*tty_struct *ktermios ) : VOID)?poll~*((*tty_struct *file *poll_table_struct ) : UINT)?hangup~*((*tty_struct ) : INT)?receive_buf~*((*tty_struct *UCHAR *CHAR INT ) : VOID)?write_wakeup~*((*tty_struct ) : VOID)?dcd_change~*((*tty_struct UINT *pps_event_time ) : VOID)?owner~*module?refcount~INT# [2019-11-06 23:09:28,192 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: IntegerLiteral 65609 could not be translated for associated CType STRUCT~~net_device_ops?ndo_init~*((*net_device ) : INT)?ndo_uninit~*((*net_device ) : VOID)?ndo_open~*((*net_device ) : INT)?ndo_stop~*((*net_device ) : INT)?ndo_start_xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?ndo_select_queue~*((*net_device *sk_buff ) : ~u16~0)?ndo_change_rx_flags~*((*net_device INT ) : VOID)?ndo_set_rx_mode~*((*net_device ) : VOID)?ndo_set_multicast_list~*((*net_device ) : VOID)?ndo_set_mac_address~*((*net_device *VOID ) : INT)?ndo_validate_addr~*((*net_device ) : INT)?ndo_do_ioctl~*((*net_device *ifreq INT ) : INT)?ndo_set_config~*((*net_device *ifmap ) : INT)?ndo_change_mtu~*((*net_device INT ) : INT)?ndo_neigh_setup~*((*net_device *neigh_parms ) : INT)?ndo_tx_timeout~*((*net_device ) : VOID)?ndo_get_stats64~*((*net_device *rtnl_link_stats64 ) : *rtnl_link_stats64)?ndo_get_stats~*((*net_device ) : *net_device_stats)?ndo_vlan_rx_register~*((*net_device *vlan_group ) : VOID)?ndo_vlan_rx_add_vid~*((*net_device USHORT ) : VOID)?ndo_vlan_rx_kill_vid~*((*net_device USHORT ) : VOID)?ndo_poll_controller~*((*net_device ) : VOID)?ndo_netpoll_setup~*((*net_device *netpoll_info ) : INT)?ndo_netpoll_cleanup~*((*net_device ) : VOID)?ndo_set_vf_mac~*((*net_device INT *~u8~0 ) : INT)?ndo_set_vf_vlan~*((*net_device INT ~u16~0 ~u8~0 ) : INT)?ndo_set_vf_tx_rate~*((*net_device INT INT ) : INT)?ndo_get_vf_config~*((*net_device INT *ifla_vf_info ) : INT)?ndo_set_vf_port~*((*net_device INT **nlattr ) : INT)?ndo_get_vf_port~*((*net_device INT *sk_buff ) : INT)?ndo_fcoe_enable~*((*net_device ) : INT)?ndo_fcoe_disable~*((*net_device ) : INT)?ndo_fcoe_ddp_setup~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_ddp_done~*((*net_device ~u16~0 ) : INT)?ndo_fcoe_get_wwn~*((*net_device *~u64~0 INT ) : INT)# [2019-11-06 23:09:28,230 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch506 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-11-06 23:09:28,231 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch506 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-11-06 23:09:28,232 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch506 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-11-06 23:09:28,345 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch7 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-11-06 23:09:28,352 WARN L1295 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch7 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2019-11-06 23:09:28,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:09:28 BoogieIcfgContainer [2019-11-06 23:09:28,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 23:09:28,398 INFO L168 Benchmark]: Toolchain (without parser) took 25009.45 ms. Allocated memory was 142.1 MB in the beginning and 642.3 MB in the end (delta: 500.2 MB). Free memory was 93.6 MB in the beginning and 538.9 MB in the end (delta: -445.3 MB). Peak memory consumption was 543.8 MB. Max. memory is 7.1 GB. [2019-11-06 23:09:28,398 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 142.1 MB. Free memory was 121.3 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-06 23:09:28,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2538.74 ms. Allocated memory was 142.1 MB in the beginning and 259.5 MB in the end (delta: 117.4 MB). Free memory was 93.4 MB in the beginning and 192.2 MB in the end (delta: -98.8 MB). Peak memory consumption was 117.3 MB. Max. memory is 7.1 GB. [2019-11-06 23:09:28,400 INFO L168 Benchmark]: Boogie Preprocessor took 279.75 ms. Allocated memory is still 259.5 MB. Free memory was 192.2 MB in the beginning and 174.9 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-11-06 23:09:28,401 INFO L168 Benchmark]: RCFGBuilder took 3488.80 ms. Allocated memory was 259.5 MB in the beginning and 338.7 MB in the end (delta: 79.2 MB). Free memory was 174.9 MB in the beginning and 134.3 MB in the end (delta: 40.6 MB). Peak memory consumption was 119.7 MB. Max. memory is 7.1 GB. [2019-11-06 23:09:28,401 INFO L168 Benchmark]: TraceAbstraction took 18697.56 ms. Allocated memory was 338.7 MB in the beginning and 642.3 MB in the end (delta: 303.6 MB). Free memory was 130.9 MB in the beginning and 538.9 MB in the end (delta: -408.1 MB). Peak memory consumption was 384.4 MB. Max. memory is 7.1 GB. [2019-11-06 23:09:28,404 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 142.1 MB. Free memory was 121.3 MB in the beginning and 121.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2538.74 ms. Allocated memory was 142.1 MB in the beginning and 259.5 MB in the end (delta: 117.4 MB). Free memory was 93.4 MB in the beginning and 192.2 MB in the end (delta: -98.8 MB). Peak memory consumption was 117.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 279.75 ms. Allocated memory is still 259.5 MB. Free memory was 192.2 MB in the beginning and 174.9 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3488.80 ms. Allocated memory was 259.5 MB in the beginning and 338.7 MB in the end (delta: 79.2 MB). Free memory was 174.9 MB in the beginning and 134.3 MB in the end (delta: 40.6 MB). Peak memory consumption was 119.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18697.56 ms. Allocated memory was 338.7 MB in the beginning and 642.3 MB in the end (delta: 303.6 MB). Free memory was 130.9 MB in the beginning and 538.9 MB in the end (delta: -408.1 MB). Peak memory consumption was 384.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 65582 could not be translated for associated CType STRUCT~~net_device_ops?ndo_init~*((*net_device ) : INT)?ndo_uninit~*((*net_device ) : VOID)?ndo_open~*((*net_device ) : INT)?ndo_stop~*((*net_device ) : INT)?ndo_start_xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?ndo_select_queue~*((*net_device *sk_buff ) : ~u16~0)?ndo_change_rx_flags~*((*net_device INT ) : VOID)?ndo_set_rx_mode~*((*net_device ) : VOID)?ndo_set_multicast_list~*((*net_device ) : VOID)?ndo_set_mac_address~*((*net_device *VOID ) : INT)?ndo_validate_addr~*((*net_device ) : INT)?ndo_do_ioctl~*((*net_device *ifreq INT ) : INT)?ndo_set_config~*((*net_device *ifmap ) : INT)?ndo_change_mtu~*((*net_device INT ) : INT)?ndo_neigh_setup~*((*net_device *neigh_parms ) : INT)?ndo_tx_timeout~*((*net_device ) : VOID)?ndo_get_stats64~*((*net_device *rtnl_link_stats64 ) : *rtnl_link_stats64)?ndo_get_stats~*((*net_device ) : *net_device_stats)?ndo_vlan_rx_register~*((*net_device *vlan_group ) : VOID)?ndo_vlan_rx_add_vid~*((*net_device USHORT ) : VOID)?ndo_vlan_rx_kill_vid~*((*net_device USHORT ) : VOID)?ndo_poll_controller~*((*net_device ) : VOID)?ndo_netpoll_setup~*((*net_device *netpoll_info ) : INT)?ndo_netpoll_cleanup~*((*net_device ) : VOID)?ndo_set_vf_mac~*((*net_device INT *~u8~0 ) : INT)?ndo_set_vf_vlan~*((*net_device INT ~u16~0 ~u8~0 ) : INT)?ndo_set_vf_tx_rate~*((*net_device INT INT ) : INT)?ndo_get_vf_config~*((*net_device INT *ifla_vf_info ) : INT)?ndo_set_vf_port~*((*net_device INT **nlattr ) : INT)?ndo_get_vf_port~*((*net_device INT *sk_buff ) : INT)?ndo_fcoe_enable~*((*net_device ) : INT)?ndo_fcoe_disable~*((*net_device ) : INT)?ndo_fcoe_ddp_setup~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_ddp_done~*((*net_device ~u16~0 ) : INT)?ndo_fcoe_get_wwn~*((*net_device *~u64~0 INT ) : INT)# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 65602 could not be translated for associated CType STRUCT~~tty_ldisc_ops?magic~INT?name~*CHAR?num~INT?flags~INT?open~*((*tty_struct ) : INT)?close~*((*tty_struct ) : VOID)?flush_buffer~*((*tty_struct ) : VOID)?chars_in_buffer~*((*tty_struct ) : UINT)?read~*((*tty_struct *file *UCHAR UINT ) : UINT)?write~*((*tty_struct *file *UCHAR UINT ) : UINT)?ioctl~*((*tty_struct *file UINT ULONG ) : INT)?compat_ioctl~*((*tty_struct *file UINT ULONG ) : LONG)?set_termios~*((*tty_struct *ktermios ) : VOID)?poll~*((*tty_struct *file *poll_table_struct ) : UINT)?hangup~*((*tty_struct ) : INT)?receive_buf~*((*tty_struct *UCHAR *CHAR INT ) : VOID)?write_wakeup~*((*tty_struct ) : VOID)?dcd_change~*((*tty_struct UINT *pps_event_time ) : VOID)?owner~*module?refcount~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 65599 could not be translated for associated CType STRUCT~~tty_ldisc_ops?magic~INT?name~*CHAR?num~INT?flags~INT?open~*((*tty_struct ) : INT)?close~*((*tty_struct ) : VOID)?flush_buffer~*((*tty_struct ) : VOID)?chars_in_buffer~*((*tty_struct ) : UINT)?read~*((*tty_struct *file *UCHAR UINT ) : UINT)?write~*((*tty_struct *file *UCHAR UINT ) : UINT)?ioctl~*((*tty_struct *file UINT ULONG ) : INT)?compat_ioctl~*((*tty_struct *file UINT ULONG ) : LONG)?set_termios~*((*tty_struct *ktermios ) : VOID)?poll~*((*tty_struct *file *poll_table_struct ) : UINT)?hangup~*((*tty_struct ) : INT)?receive_buf~*((*tty_struct *UCHAR *CHAR INT ) : VOID)?write_wakeup~*((*tty_struct ) : VOID)?dcd_change~*((*tty_struct UINT *pps_event_time ) : VOID)?owner~*module?refcount~INT# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IntegerLiteral 65609 could not be translated for associated CType STRUCT~~net_device_ops?ndo_init~*((*net_device ) : INT)?ndo_uninit~*((*net_device ) : VOID)?ndo_open~*((*net_device ) : INT)?ndo_stop~*((*net_device ) : INT)?ndo_start_xmit~*((*sk_buff *net_device ) : ~netdev_tx_t~0)?ndo_select_queue~*((*net_device *sk_buff ) : ~u16~0)?ndo_change_rx_flags~*((*net_device INT ) : VOID)?ndo_set_rx_mode~*((*net_device ) : VOID)?ndo_set_multicast_list~*((*net_device ) : VOID)?ndo_set_mac_address~*((*net_device *VOID ) : INT)?ndo_validate_addr~*((*net_device ) : INT)?ndo_do_ioctl~*((*net_device *ifreq INT ) : INT)?ndo_set_config~*((*net_device *ifmap ) : INT)?ndo_change_mtu~*((*net_device INT ) : INT)?ndo_neigh_setup~*((*net_device *neigh_parms ) : INT)?ndo_tx_timeout~*((*net_device ) : VOID)?ndo_get_stats64~*((*net_device *rtnl_link_stats64 ) : *rtnl_link_stats64)?ndo_get_stats~*((*net_device ) : *net_device_stats)?ndo_vlan_rx_register~*((*net_device *vlan_group ) : VOID)?ndo_vlan_rx_add_vid~*((*net_device USHORT ) : VOID)?ndo_vlan_rx_kill_vid~*((*net_device USHORT ) : VOID)?ndo_poll_controller~*((*net_device ) : VOID)?ndo_netpoll_setup~*((*net_device *netpoll_info ) : INT)?ndo_netpoll_cleanup~*((*net_device ) : VOID)?ndo_set_vf_mac~*((*net_device INT *~u8~0 ) : INT)?ndo_set_vf_vlan~*((*net_device INT ~u16~0 ~u8~0 ) : INT)?ndo_set_vf_tx_rate~*((*net_device INT INT ) : INT)?ndo_get_vf_config~*((*net_device INT *ifla_vf_info ) : INT)?ndo_set_vf_port~*((*net_device INT **nlattr ) : INT)?ndo_get_vf_port~*((*net_device INT *sk_buff ) : INT)?ndo_fcoe_enable~*((*net_device ) : INT)?ndo_fcoe_disable~*((*net_device ) : INT)?ndo_fcoe_ddp_setup~*((*net_device ~u16~0 *scatterlist UINT ) : INT)?ndo_fcoe_ddp_done~*((*net_device ~u16~0 ) : INT)?ndo_fcoe_get_wwn~*((*net_device *~u64~0 INT ) : INT)# - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch506 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~switch506 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~switch506 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~switch7 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~switch7 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: - UnprovableResult [Line: 7113]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 4857, overapproximation of bitwiseAnd at line 4724. Possible FailurePath: [L5018] static struct net_device **slip_devs ; [L5019] static int slip_maxdev = 256; [L5834-L5837] static struct net_device_ops const sl_netdev_ops = {& sl_init, & sl_uninit, & sl_open, & sl_close, & sl_xmit, 0, 0, 0, 0, 0, 0, & sl_ioctl, 0, & sl_change_mtu, 0, & sl_tx_timeout, & sl_get_stats64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L6707-L6710] static struct tty_ldisc_ops sl_ldisc = {21507, (char *)"slip", 0, 0, & slip_open, & slip_close, 0, 0, 0, 0, & slip_ioctl, & slip_compat_ioctl, 0, 0, & slip_hangup, & slip_receive_buf, & slip_write_wakeup, 0, & __this_module, 0}; [L6894] int LDV_IN_INTERRUPT ; VAL [\old(LDV_IN_INTERRUPT)=65552, \old(sl_ldisc)=null, \old(sl_ldisc)=null, \old(sl_netdev_ops)=null, \old(sl_netdev_ops)=null, \old(slip_devs)=65595, \old(slip_devs)=65598, \old(slip_maxdev)=65619, __this_module={65541:65600}, LDV_IN_INTERRUPT=0, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L6897] struct net_device *var_group1 ; [L6898] int res_sl_init_14 ; [L6899] int res_sl_open_11 ; [L6900] int res_sl_close_10 ; [L6901] struct sk_buff *var_group2 ; [L6902] struct rtnl_link_stats64 *var_group3 ; [L6903] int var_sl_change_mtu_12_p1 ; [L6904] struct ifreq *var_group4 ; [L6905] int var_sl_ioctl_30_p2 ; [L6906] struct tty_struct *var_group5 ; [L6907] int res_slip_open_21 ; [L6908] struct file *var_group6 ; [L6909] unsigned int var_slip_ioctl_28_p2 ; [L6910] unsigned long var_slip_ioctl_28_p3 ; [L6911] unsigned int var_slip_compat_ioctl_29_p2 ; [L6912] unsigned long var_slip_compat_ioctl_29_p3 ; [L6913] unsigned char const *var_slip_receive_buf_18_p1 ; [L6914] char *var_slip_receive_buf_18_p2 ; [L6915] int var_slip_receive_buf_18_p3 ; [L6916] unsigned long var_sl_keepalive_34_p0 ; [L6917] unsigned long var_sl_outfill_33_p0 ; [L6918] int ldv_s_sl_netdev_ops_net_device_ops ; [L6919] int ldv_s_sl_ldisc_tty_ldisc_ops ; [L6920] int tmp ; [L6921] int tmp___0 ; [L6922] int tmp___1 ; [L6924] ldv_s_sl_netdev_ops_net_device_ops = 0 [L6925] ldv_s_sl_ldisc_tty_ldisc_ops = 0 [L6926] LDV_IN_INTERRUPT = 1 VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, ldv_s_sl_ldisc_tty_ldisc_ops=0, ldv_s_sl_netdev_ops_net_device_ops=0, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L6927] FCALL ldv_initialize() VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, ldv_s_sl_ldisc_tty_ldisc_ops=0, ldv_s_sl_netdev_ops_net_device_ops=0, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L6928] FCALL ldv_handler_precall() VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, ldv_s_sl_ldisc_tty_ldisc_ops=0, ldv_s_sl_netdev_ops_net_device_ops=0, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L6929] CALL, EXPR slip_init() VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L6713] int status ; [L6714] void *tmp ; VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L6716] COND FALSE !(slip_maxdev <= 3) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L6724] CALL, EXPR kzalloc((unsigned long )slip_maxdev * 8UL, 208U) VAL [\old(flags)=208, \old(LDV_IN_INTERRUPT)=0, \old(size)=2048, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L4855] void *tmp ; VAL [\old(flags)=208, \old(LDV_IN_INTERRUPT)=0, \old(size)=2048, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, flags=208, LDV_IN_INTERRUPT=1, size=2048, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L4857] CALL, EXPR kmalloc(size, flags | 32768U) VAL [\old(LDV_IN_INTERRUPT)=0, \old(size)=2048, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L4847] void *tmp___2 ; VAL [\old(flags)=65546, \old(LDV_IN_INTERRUPT)=0, \old(size)=2048, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, flags=65546, LDV_IN_INTERRUPT=1, size=2048, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L4849] CALL, EXPR __kmalloc(size, flags) VAL [\old(LDV_IN_INTERRUPT)=0, \old(size)=2048, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \old(t)=65546, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L4843] CALL, EXPR ldv_malloc(size) VAL [\old(LDV_IN_INTERRUPT)=0, \old(size)=2048, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L4833] COND TRUE __VERIFIER_nondet_int() [L4834] void *res = malloc(size); VAL [\old(LDV_IN_INTERRUPT)=0, \old(size)=2048, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, malloc(size)={2154:0}, res={2154:0}, size=2048, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L4835] CALL ldv_is_err(res) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, ptr={2154:0}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L4829] return ((unsigned long)ptr > ((unsigned long)-4095)); VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result=0, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, ptr={2154:0}, ptr={2154:0}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L4835] RET ldv_is_err(res) VAL [\old(LDV_IN_INTERRUPT)=0, \old(size)=2048, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, ldv_is_err(res)=0, malloc(size)={2154:0}, res={2154:0}, size=2048, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L4836] return res; VAL [\old(LDV_IN_INTERRUPT)=0, \old(size)=2048, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={2154:0}, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, malloc(size)={2154:0}, res={2154:0}, size=2048, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L4843] RET, EXPR ldv_malloc(size) VAL [\old(LDV_IN_INTERRUPT)=0, \old(size)=2048, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \old(t)=65546, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, ldv_malloc(size)={2154:0}, size=2048, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256, t=65546] [L4843] return ldv_malloc(size); [L4849] RET, EXPR __kmalloc(size, flags) VAL [\old(flags)=65546, \old(LDV_IN_INTERRUPT)=0, \old(size)=2048, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __kmalloc(size, flags)={2154:0}, __this_module={65541:65600}, flags=65546, LDV_IN_INTERRUPT=1, size=2048, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L4849] tmp___2 = __kmalloc(size, flags) [L4850] return (tmp___2); VAL [\old(flags)=65546, \old(LDV_IN_INTERRUPT)=0, \old(size)=2048, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={2154:0}, __this_module={65541:65600}, flags=65546, LDV_IN_INTERRUPT=1, size=2048, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256, tmp___2={2154:0}] [L4857] RET, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=208, \old(LDV_IN_INTERRUPT)=0, \old(size)=2048, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, flags=208, kmalloc(size, flags | 32768U)={2154:0}, LDV_IN_INTERRUPT=1, size=2048, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L4857] tmp = kmalloc(size, flags | 32768U) [L4858] return (tmp); VAL [\old(flags)=208, \old(LDV_IN_INTERRUPT)=0, \old(size)=2048, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={2154:0}, __this_module={65541:65600}, flags=208, LDV_IN_INTERRUPT=1, size=2048, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256, tmp={2154:0}] [L6724] RET, EXPR kzalloc((unsigned long )slip_maxdev * 8UL, 208U) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, kzalloc((unsigned long )slip_maxdev * 8UL, 208U)={2154:0}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={0:0}, slip_maxdev=256] [L6724] tmp = kzalloc((unsigned long )slip_maxdev * 8UL, 208U) [L6725] slip_devs = (struct net_device **)tmp VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp={2154:0}] [L6726] COND FALSE !((unsigned long )slip_devs == (unsigned long )((struct net_device **)0)) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp={2154:0}] [L6731] CALL, EXPR tty_register_ldisc(1, & sl_ldisc) VAL [\old(arg0)=1, \old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, arg1={2131:0}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L7273] return __VERIFIER_nondet_int(); [L6731] RET, EXPR tty_register_ldisc(1, & sl_ldisc) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp={2154:0}, tty_register_ldisc(1, & sl_ldisc)=0] [L6731] status = tty_register_ldisc(1, & sl_ldisc) [L6732] COND FALSE !(status != 0) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, status=0, tmp={2154:0}] [L6737] return (status); VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result=0, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, status=0, tmp={2154:0}] [L6929] RET, EXPR slip_init() VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, ldv_s_sl_ldisc_tty_ldisc_ops=0, ldv_s_sl_netdev_ops_net_device_ops=0, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_init()=0, slip_maxdev=256] [L6929] tmp = slip_init() [L6930] COND FALSE !(tmp != 0) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, ldv_s_sl_ldisc_tty_ldisc_ops=0, ldv_s_sl_netdev_ops_net_device_ops=0, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=0] [L7060] tmp___1 = __VERIFIER_nondet_int() [L7061] COND TRUE (tmp___1 != 0 || ldv_s_sl_netdev_ops_net_device_ops != 0) || ldv_s_sl_ldisc_tty_ldisc_ops != 0 VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, ldv_s_sl_ldisc_tty_ldisc_ops=0, ldv_s_sl_netdev_ops_net_device_ops=0, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=0, tmp___1=1] [L6936] tmp___0 = __VERIFIER_nondet_int() [L6938] case 0: [L6951] case 1: [L6964] case 2: [L6977] case 3: [L6985] case 4: [L6989] case 5: [L6993] case 6: [L6997] case 7: [L7001] case 8: [L7005] case 9: VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, ldv_s_sl_ldisc_tty_ldisc_ops=0, ldv_s_sl_netdev_ops_net_device_ops=0, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=0, tmp___0=9, tmp___1=1] [L7006] COND TRUE ldv_s_sl_ldisc_tty_ldisc_ops == 0 VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, ldv_s_sl_ldisc_tty_ldisc_ops=0, ldv_s_sl_netdev_ops_net_device_ops=0, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=0, tmp___0=9, tmp___1=1] [L7007] FCALL ldv_handler_precall() VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, ldv_s_sl_ldisc_tty_ldisc_ops=0, ldv_s_sl_netdev_ops_net_device_ops=0, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=0, tmp___0=9, tmp___1=1] [L7008] CALL ldv_slip_open_3(var_group5) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tty={2154:0}] [L7101] ldv_func_ret_type___1 ldv_func_res ; [L7102] int tmp ; VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tty={2154:0}, tty={2154:0}] [L7104] CALL, EXPR slip_open(tty) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tty={2154:0}] [L6021] struct slip *sl ; [L6022] int err ; [L6023] int tmp ; [L6024] dev_t tmp___0 ; [L6025] struct task_struct *tmp___1 ; [L6026] int tmp___2 ; VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tty={2154:0}, tty={2154:0}] [L6028] CALL, EXPR capable(12) VAL [\old(arg0)=12, \old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L7157] return __VERIFIER_nondet_int(); [L6028] RET, EXPR capable(12) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, capable(12)=1, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tty={2154:0}, tty={2154:0}] [L6028] tmp = capable(12) [L6029] COND FALSE !(tmp == 0) [L6033] EXPR tty->ops [L6033] EXPR (tty->ops)->write VAL [(tty->ops)->write={3:-2}, \old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=1, tty={2154:0}, tty={2154:0}, tty->ops={65591:0}] [L6033-L6035] COND FALSE !((unsigned long )(tty->ops)->write == (unsigned long )((int (* )(struct tty_struct * , unsigned char const * , int ))0)) [L6039] FCALL rtnl_lock() VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=1, tty={2154:0}, tty={2154:0}] [L6040] CALL sl_sync() VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L5909] int i ; [L5910] struct net_device *dev ; [L5911] struct slip *sl ; [L5912] void *tmp ; [L5914] i = 0 VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, i=0, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L5935] COND TRUE i < slip_maxdev VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, i=0, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L5917] EXPR slip_devs + (unsigned long )i [L5917] dev = *(slip_devs + (unsigned long )i) [L5918] COND TRUE (unsigned long )dev == (unsigned long )((struct net_device *)0) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, dev={0:0}, i=0, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L6040] RET sl_sync() VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=1, tty={2154:0}, tty={2154:0}] [L6041] EXPR tty->disc_data [L6041] sl = (struct slip *)tty->disc_data [L6042] err = -17 [L6043] (unsigned long )sl != (unsigned long )((struct slip *)0) && sl->magic == 21250 VAL [(unsigned long )sl != (unsigned long )((struct slip *)0) && sl->magic == 21250=0, \old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, err=-17, LDV_IN_INTERRUPT=1, sl={0:0}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=1, tty={2154:0}, tty={2154:0}] [L6043] COND FALSE !((unsigned long )sl != (unsigned long )((struct slip *)0) && sl->magic == 21250) [L6047] err = -23 VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, err=-23, LDV_IN_INTERRUPT=1, sl={0:0}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=1, tty={2154:0}, tty={2154:0}] [L6048] CALL, EXPR tty_devnum(tty) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, arg0={2154:0}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L7262] return __VERIFIER_nondet_uint(); [L6048] RET, EXPR tty_devnum(tty) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, err=-23, LDV_IN_INTERRUPT=1, sl={0:0}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=1, tty={2154:0}, tty={2154:0}, tty_devnum(tty)=65601] [L6048] tmp___0 = tty_devnum(tty) [L6049] CALL, EXPR sl_alloc(tmp___0) VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L5945] int i ; [L5946] struct net_device *dev ; [L5947] struct slip *sl ; [L5948] void *tmp ; [L5949] int tmp___0 ; [L5950] char name[16U] ; [L5951] void *tmp___1 ; [L5952] struct lock_class_key __key ; [L5953] struct lock_class_key __key___0 ; [L5954] struct lock_class_key __key___1 ; [L5956] dev = 0 VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, dev={0:0}, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L5957] COND FALSE !((unsigned long )slip_devs == (unsigned long )((struct net_device **)0)) [L5961] i = 0 VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, dev={0:0}, i=0, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L5971] COND TRUE i < slip_maxdev VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, dev={0:0}, i=0, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L5964] EXPR slip_devs + (unsigned long )i [L5964] dev = *(slip_devs + (unsigned long )i) [L5965] COND TRUE (unsigned long )dev == (unsigned long )((struct net_device *)0) VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, dev={0:0}, i=0, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L5976] COND FALSE !(i >= slip_maxdev) VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, dev={0:0}, i=0, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L5980] COND FALSE !((unsigned long )dev != (unsigned long )((struct net_device *)0)) VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, dev={0:0}, i=0, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L5992] COND TRUE (unsigned long )dev == (unsigned long )((struct net_device *)0) [L5994] CALL, EXPR alloc_netdev_mqs(472, (char const *)(& name), & sl_setup, 1U, 1U) VAL [\old(arg0)=472, \old(arg3)=1, \old(arg4)=1, \old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, arg1={2151:0}, arg2={-1:10}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L7153] CALL, EXPR external_alloc() VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L7290] return __VERIFIER_nondet_pointer(); [L7153] RET, EXPR external_alloc() VAL [\old(arg0)=472, \old(arg3)=1, \old(arg4)=1, \old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, arg0=472, arg1={2151:0}, arg1={2151:0}, arg2={-1:10}, arg2={-1:10}, arg3=1, arg4=1, external_alloc()={2154:-2153}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L7153] return (struct net_device *)external_alloc(); [L5994] RET, EXPR alloc_netdev_mqs(472, (char const *)(& name), & sl_setup, 1U, 1U) VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, alloc_netdev_mqs(472, (char const *)(& name), & sl_setup, 1U, 1U)={2154:-2153}, dev={0:0}, i=0, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L5994] dev = alloc_netdev_mqs(472, (char const *)(& name), & sl_setup, 1U, 1U) [L5995] COND FALSE !((unsigned long )dev == (unsigned long )((struct net_device *)0)) [L5999] dev->base_addr = (unsigned long )i VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, dev={2154:-2153}, i=0, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L6002] CALL, EXPR netdev_priv((struct net_device const *)dev) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, dev={2154:-2153}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L4887] return ((void *)dev + 2496U); VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={2154:343}, __this_module={65541:65600}, dev={2154:-2153}, dev={2154:-2153}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L6002] RET, EXPR netdev_priv((struct net_device const *)dev) VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, dev={2154:-2153}, i=0, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, netdev_priv((struct net_device const *)dev)={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L6002] tmp___1 = netdev_priv((struct net_device const *)dev) [L6003] sl = (struct slip *)tmp___1 [L6004] sl->magic = 21250 [L6005] sl->dev = dev VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, dev={2154:-2153}, i=0, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, sl={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp___1={2154:343}] [L6006] CALL spinlock_check(& sl->lock) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, lock={2154:355}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L4767] return (& lock->ldv_5934.rlock); VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={2154:355}, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, lock={2154:355}, lock={2154:355}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L6006] RET spinlock_check(& sl->lock) VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, dev={2154:-2153}, i=0, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, sl={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, spinlock_check(& sl->lock)={2154:355}, tmp___1={2154:343}] [L6007] FCALL __raw_spin_lock_init(& sl->lock.ldv_5934.rlock, "&(&sl->lock)->rlock", & __key) VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, dev={2154:-2153}, i=0, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, sl={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp___1={2154:343}] [L6008] sl->mode = 8U VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, dev={2154:-2153}, i=0, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, sl={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp___1={2154:343}] [L6009] FCALL init_timer_key(& sl->keepalive_timer, "&sl->keepalive_timer", & __key___0) VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, dev={2154:-2153}, i=0, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, sl={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp___1={2154:343}] [L6010] sl->keepalive_timer.data = (unsigned long )sl [L6011] sl->keepalive_timer.function = & sl_keepalive VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, dev={2154:-2153}, i=0, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, sl={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp___1={2154:343}] [L6012] FCALL init_timer_key(& sl->outfill_timer, "&sl->outfill_timer", & __key___1) VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __key={2121:0}, __key___0={2123:0}, __key___1={2122:0}, __this_module={65541:65600}, dev={2154:-2153}, i=0, LDV_IN_INTERRUPT=1, line=65601, name={2151:0}, sl={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp___1={2154:343}] [L6013] sl->outfill_timer.data = (unsigned long )sl [L6014] sl->outfill_timer.function = & sl_outfill [L6015] *(slip_devs + (unsigned long )i) = dev [L6016] return (sl); [L6016] return (sl); [L6016] return (sl); [L6016] return (sl); [L6016] return (sl); VAL [\old(LDV_IN_INTERRUPT)=0, \old(line)=65601, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={2154:343}, __this_module={65541:65600}, dev={2154:-2153}, i=0, LDV_IN_INTERRUPT=1, line=65601, sl={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp___1={2154:343}] [L6049] RET, EXPR sl_alloc(tmp___0) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, err=-23, LDV_IN_INTERRUPT=1, sl={0:0}, sl_alloc(tmp___0)={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=1, tmp___0=65601, tty={2154:0}, tty={2154:0}] [L6049] sl = sl_alloc(tmp___0) [L6050] COND FALSE !((unsigned long )sl == (unsigned long )((struct slip *)0)) [L6054] sl->tty = tty [L6055] tty->disc_data = (void *)sl VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, err=-23, LDV_IN_INTERRUPT=1, sl={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=1, tmp___0=65601, tty={2154:0}, tty={2154:0}] [L6056] CALL, EXPR tty_devnum(tty) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, arg0={2154:0}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L7262] return __VERIFIER_nondet_uint(); [L6056] RET, EXPR tty_devnum(tty) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, err=-23, LDV_IN_INTERRUPT=1, sl={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=1, tmp___0=65601, tty={2154:0}, tty={2154:0}, tty_devnum(tty)=65588] [L6056] sl->line = tty_devnum(tty) [L6057] CALL, EXPR get_current() VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L4735] struct task_struct *pfo_ret__ ; [L4738] case 1UL: [L4741] case 2UL: [L4744] case 4UL: [L4747] case 8UL: VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L4754] return (pfo_ret__); VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, \result={65540:0}, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, pfo_ret__={65540:0}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L6057] RET, EXPR get_current() VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, err=-23, get_current()={65540:0}, LDV_IN_INTERRUPT=1, sl={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=1, tmp___0=65601, tty={2154:0}, tty={2154:0}] [L6057] tmp___1 = get_current() [L6058] EXPR tmp___1->pid [L6058] sl->pid = tmp___1->pid [L6059] CALL, EXPR constant_test_bit(0U, (unsigned long const volatile *)(& sl->flags)) VAL [\old(LDV_IN_INTERRUPT)=0, \old(nr)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, addr={2154:451}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L4724] EXPR addr + (unsigned long )(nr / 64U) [L4724] return ((int )((unsigned long )*(addr + (unsigned long )(nr / 64U)) >> ((int )nr & 63)) & 1); [L6059] RET, EXPR constant_test_bit(0U, (unsigned long const volatile *)(& sl->flags)) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, constant_test_bit(0U, (unsigned long const volatile *)(& sl->flags))=1, err=-23, LDV_IN_INTERRUPT=1, sl={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=1, tmp___0=65601, tmp___1={65540:0}, tty={2154:0}, tty={2154:0}] [L6059] tmp___2 = constant_test_bit(0U, (unsigned long const volatile *)(& sl->flags)) [L6060] COND FALSE !(tmp___2 == 0) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, err=-23, LDV_IN_INTERRUPT=1, sl={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=1, tmp___0=65601, tmp___1={65540:0}, tmp___2=1, tty={2154:0}, tty={2154:0}] [L6074] EXPR sl->keepalive VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, err=-23, LDV_IN_INTERRUPT=1, sl={2154:343}, sl->keepalive=0, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=1, tmp___0=65601, tmp___1={65540:0}, tmp___2=1, tty={2154:0}, tty={2154:0}] [L6074] COND FALSE !((unsigned int )sl->keepalive != 0U) [L6079] EXPR sl->outfill VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, err=-23, LDV_IN_INTERRUPT=1, sl={2154:343}, sl->outfill=0, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=1, tmp___0=65601, tmp___1={65540:0}, tmp___2=1, tty={2154:0}, tty={2154:0}] [L6079] COND FALSE !((unsigned int )sl->outfill != 0U) [L6084] FCALL rtnl_unlock() VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, err=-23, LDV_IN_INTERRUPT=1, sl={2154:343}, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=1, tmp___0=65601, tmp___1={65540:0}, tmp___2=1, tty={2154:0}, tty={2154:0}] [L6085] tty->receive_room = 65536U [L6086] EXPR sl->dev [L6086] EXPR (sl->dev)->base_addr [L6086] return ((int )(sl->dev)->base_addr); [L7104] RET, EXPR slip_open(tty) VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, slip_open(tty)=29, tty={2154:0}, tty={2154:0}] [L7104] tmp = slip_open(tty) [L7105] ldv_func_res = tmp VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, ldv_func_res=29, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256, tmp=29, tty={2154:0}, tty={2154:0}] [L7106] CALL ldv_check_callback_ret_val(ldv_func_res) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ret_val)=29, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L7119] COND FALSE !(ret_val <= 0) VAL [\old(LDV_IN_INTERRUPT)=0, \old(ret_val)=29, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, ret_val=29, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L7121] CALL ldv_error() VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] [L7113] __VERIFIER_error() VAL [\old(LDV_IN_INTERRUPT)=0, \old(slip_devs)=0, \old(slip_devs)=0, \old(slip_maxdev)=256, __this_module={65541:65600}, LDV_IN_INTERRUPT=1, sl_ldisc={2131:0}, sl_netdev_ops={2143:0}, slip_devs={2154:0}, slip_maxdev=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 127 procedures, 1245 locations, 1 error locations. Result: UNSAFE, OverallTime: 18.6s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 13.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 18850 SDtfs, 6059 SDslu, 57989 SDs, 0 SdLazy, 5692 SolverSat, 2220 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1230occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 66 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1705 NumberOfCodeBlocks, 1705 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1507 ConstructedInterpolants, 0 QuantifiedInterpolants, 323723 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 54/54 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...