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-f4eb214f-m [2019-10-13 20:17:46,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:17:46,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:17:46,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:17:46,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:17:46,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:17:46,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:17:46,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:17:46,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:17:46,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:17:46,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:17:46,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:17:46,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:17:46,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:17:46,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:17:46,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:17:46,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:17:46,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:17:46,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:17:46,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:17:46,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:17:46,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:17:46,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:17:46,379 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:17:46,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:17:46,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:17:46,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:17:46,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:17:46,385 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:17:46,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:17:46,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:17:46,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:17:46,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:17:46,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:17:46,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:17:46,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:17:46,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:17:46,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:17:46,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:17:46,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:17:46,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:17:46,396 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 [2019-10-13 20:17:46,415 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:17:46,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:17:46,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:17:46,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:17:46,417 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:17:46,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:17:46,417 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:17:46,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:17:46,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:17:46,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:17:46,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:17:46,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:17:46,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:17:46,419 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:17:46,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:17:46,419 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:17:46,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:17:46,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:17:46,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:17:46,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:17:46,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:17:46,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:17:46,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:17:46,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:17:46,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:17:46,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:17:46,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:17:46,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:17:46,422 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 [2019-10-13 20:17:46,747 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:17:46,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:17:46,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:17:46,769 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:17:46,769 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:17:46,770 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2019-10-13 20:17:46,842 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d7380bd4/12b4f3027f2e490281c456c45012c4d2/FLAGe02129c3c [2019-10-13 20:17:47,640 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:17:47,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2019-10-13 20:17:47,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d7380bd4/12b4f3027f2e490281c456c45012c4d2/FLAGe02129c3c [2019-10-13 20:17:48,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d7380bd4/12b4f3027f2e490281c456c45012c4d2 [2019-10-13 20:17:48,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:17:48,203 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:17:48,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:17:48,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:17:48,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:17:48,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:17:48" (1/1) ... [2019-10-13 20:17:48,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8ce6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:48, skipping insertion in model container [2019-10-13 20:17:48,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:17:48" (1/1) ... [2019-10-13 20:17:48,218 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:17:48,336 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:17:50,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:17:50,307 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:17:50,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:17:51,013 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:17:51,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:51 WrapperNode [2019-10-13 20:17:51,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:17:51,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:17:51,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:17:51,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:17:51,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:51" (1/1) ... [2019-10-13 20:17:51,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:51" (1/1) ... [2019-10-13 20:17:51,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:51" (1/1) ... [2019-10-13 20:17:51,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:51" (1/1) ... [2019-10-13 20:17:51,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:51" (1/1) ... [2019-10-13 20:17:51,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:51" (1/1) ... [2019-10-13 20:17:51,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:51" (1/1) ... [2019-10-13 20:17:51,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:17:51,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:17:51,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:17:51,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:17:51,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:51" (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 [2019-10-13 20:17:51,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:17:51,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:17:51,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 20:17:51,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:17:51,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2019-10-13 20:17:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:17:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 20:17:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 20:17:51,342 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 20:17:51,343 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 20:17:51,344 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 20:17:51,344 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 20:17:51,344 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:17:51,345 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 20:17:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-13 20:17:51,346 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 20:17:51,348 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-13 20:17:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 20:17:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:17:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:17:51,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:17:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:17:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:17:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-13 20:17:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-13 20:17:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-13 20:17:51,350 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 20:17:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2019-10-13 20:17:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-13 20:17:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-13 20:17:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-13 20:17:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-13 20:17:51,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-13 20:17:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-13 20:17:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-13 20:17:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-13 20:17:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-13 20:17:51,352 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc_bufs [2019-10-13 20:17:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2019-10-13 20:17:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_realloc_bufs [2019-10-13 20:17:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_lock [2019-10-13 20:17:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2019-10-13 20:17:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2019-10-13 20:17:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_encaps [2019-10-13 20:17:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_write_wakeup [2019-10-13 20:17:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2019-10-13 20:17:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_xmit [2019-10-13 20:17:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_close [2019-10-13 20:17:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_open [2019-10-13 20:17:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2019-10-13 20:17:51,354 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2019-10-13 20:17:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_init [2019-10-13 20:17:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_uninit [2019-10-13 20:17:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_netdev [2019-10-13 20:17:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_setup [2019-10-13 20:17:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_receive_buf [2019-10-13 20:17:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_sync [2019-10-13 20:17:51,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc [2019-10-13 20:17:51,356 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_open [2019-10-13 20:17:51,356 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2019-10-13 20:17:51,356 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2019-10-13 20:17:51,356 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc [2019-10-13 20:17:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc [2019-10-13 20:17:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc6 [2019-10-13 20:17:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc6 [2019-10-13 20:17:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2019-10-13 20:17:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2019-10-13 20:17:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2019-10-13 20:17:51,357 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_init [2019-10-13 20:17:51,358 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_exit [2019-10-13 20:17:51,358 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_outfill [2019-10-13 20:17:51,358 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_keepalive [2019-10-13 20:17:51,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:17:51,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sl_alloc_bufs_1 [2019-10-13 20:17:51,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_2 [2019-10-13 20:17:51,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_slip_open_3 [2019-10-13 20:17:51,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:17:51,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_callback_ret_val [2019-10-13 20:17:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-13 20:17:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:17:51,360 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 20:17:51,361 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 20:17:51,361 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-13 20:17:51,361 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 20:17:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-13 20:17:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-13 20:17:51,362 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-13 20:17:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-13 20:17:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-13 20:17:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-13 20:17:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 20:17:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-13 20:17:51,363 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2019-10-13 20:17:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-10-13 20:17:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-13 20:17:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-13 20:17:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:17:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-13 20:17:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-13 20:17:51,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:17:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 20:17:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-13 20:17:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-10-13 20:17:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-13 20:17:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-13 20:17:51,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:17:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2019-10-13 20:17:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-10-13 20:17:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-10-13 20:17:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 20:17:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2019-10-13 20:17:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2019-10-13 20:17:51,366 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2019-10-13 20:17:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2019-10-13 20:17:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2019-10-13 20:17:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_chars_in_buffer [2019-10-13 20:17:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2019-10-13 20:17:51,367 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2019-10-13 20:17:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-10-13 20:17:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-10-13 20:17:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-10-13 20:17:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 20:17:51,368 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2019-10-13 20:17:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 20:17:51,369 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:17:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:17:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:17:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:17:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:17:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:17:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:17:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2019-10-13 20:17:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_callback_ret_val [2019-10-13 20:17:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 20:17:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 20:17:51,371 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 20:17:51,372 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 20:17:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 20:17:51,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:17:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:17:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 20:17:51,376 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 20:17:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 20:17:51,377 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 20:17:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 20:17:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-13 20:17:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-13 20:17:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:17:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 20:17:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-13 20:17:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 20:17:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-13 20:17:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:17:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 20:17:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-13 20:17:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 20:17:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-13 20:17:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-10-13 20:17:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-13 20:17:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-13 20:17:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-13 20:17:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-13 20:17:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 20:17:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 20:17:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 20:17:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-13 20:17:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure tty_chars_in_buffer [2019-10-13 20:17:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2019-10-13 20:17:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-10-13 20:17:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2019-10-13 20:17:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-10-13 20:17:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-10-13 20:17:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:17:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:17:51,388 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:17:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:17:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:17:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:17:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:17:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:17:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:17:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-13 20:17:51,389 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 20:17:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-13 20:17:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:17:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:17:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-13 20:17:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-13 20:17:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-13 20:17:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 20:17:51,390 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2019-10-13 20:17:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2019-10-13 20:17:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_2 [2019-10-13 20:17:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2019-10-13 20:17:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2019-10-13 20:17:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 20:17:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-13 20:17:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-13 20:17:51,391 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-13 20:17:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-13 20:17:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-13 20:17:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-13 20:17:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-13 20:17:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:17:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-13 20:17:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-13 20:17:51,392 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-13 20:17:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-13 20:17:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-13 20:17:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-10-13 20:17:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-13 20:17:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 20:17:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-10-13 20:17:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-10-13 20:17:51,393 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2019-10-13 20:17:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2019-10-13 20:17:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2019-10-13 20:17:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2019-10-13 20:17:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2019-10-13 20:17:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc [2019-10-13 20:17:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc [2019-10-13 20:17:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc6 [2019-10-13 20:17:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc6 [2019-10-13 20:17:51,394 INFO L130 BoogieDeclarations]: Found specification of procedure sl_keepalive [2019-10-13 20:17:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure sl_outfill [2019-10-13 20:17:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2019-10-13 20:17:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc_bufs [2019-10-13 20:17:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sl_alloc_bufs_1 [2019-10-13 20:17:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2019-10-13 20:17:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:17:51,395 INFO L130 BoogieDeclarations]: Found specification of procedure sl_realloc_bufs [2019-10-13 20:17:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:17:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:17:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure sl_lock [2019-10-13 20:17:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2019-10-13 20:17:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2019-10-13 20:17:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure sl_encaps [2019-10-13 20:17:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 20:17:51,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:17:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure slip_write_wakeup [2019-10-13 20:17:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2019-10-13 20:17:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure sl_xmit [2019-10-13 20:17:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure sl_close [2019-10-13 20:17:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure sl_open [2019-10-13 20:17:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2019-10-13 20:17:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2019-10-13 20:17:51,397 INFO L130 BoogieDeclarations]: Found specification of procedure sl_init [2019-10-13 20:17:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure sl_uninit [2019-10-13 20:17:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_netdev [2019-10-13 20:17:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure sl_setup [2019-10-13 20:17:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure slip_receive_buf [2019-10-13 20:17:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure sl_sync [2019-10-13 20:17:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc [2019-10-13 20:17:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure slip_open [2019-10-13 20:17:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_slip_open_3 [2019-10-13 20:17:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2019-10-13 20:17:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2019-10-13 20:17:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2019-10-13 20:17:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2019-10-13 20:17:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure slip_init [2019-10-13 20:17:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure slip_exit [2019-10-13 20:17:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:17:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-13 20:17:51,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:17:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-13 20:17:51,404 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:17:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:17:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:17:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:17:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 20:17:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:17:51,406 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:17:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:17:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:17:51,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:17:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:17:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:17:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:17:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:17:51,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:17:52,509 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:17:55,353 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:17:55,354 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:17:55,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:17:55 BoogieIcfgContainer [2019-10-13 20:17:55,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:17:55,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:17:55,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:17:55,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:17:55,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:17:48" (1/3) ... [2019-10-13 20:17:55,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe2bb59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:17:55, skipping insertion in model container [2019-10-13 20:17:55,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:17:51" (2/3) ... [2019-10-13 20:17:55,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe2bb59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:17:55, skipping insertion in model container [2019-10-13 20:17:55,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:17:55" (3/3) ... [2019-10-13 20:17:55,367 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2019-10-13 20:17:55,378 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:17:55,394 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:17:55,410 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:17:55,456 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:17:55,457 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:17:55,457 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:17:55,457 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:17:55,457 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:17:55,457 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:17:55,457 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:17:55,457 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:17:55,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states. [2019-10-13 20:17:55,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 20:17:55,542 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:17:55,543 INFO L380 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] [2019-10-13 20:17:55,546 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:17:55,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:17:55,554 INFO L82 PathProgramCache]: Analyzing trace with hash 573246578, now seen corresponding path program 1 times [2019-10-13 20:17:55,563 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:17:55,564 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336596010] [2019-10-13 20:17:55,564 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:17:55,564 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:17:55,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:17:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:17:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 20:17:56,150 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336596010] [2019-10-13 20:17:56,150 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:17:56,151 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:17:56,151 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301787007] [2019-10-13 20:17:56,156 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:17:56,158 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:17:56,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:17:56,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:17:56,176 INFO L87 Difference]: Start difference. First operand 1230 states. Second operand 5 states. [2019-10-13 20:18:01,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:01,907 INFO L93 Difference]: Finished difference Result 2445 states and 3378 transitions. [2019-10-13 20:18:01,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:18:01,909 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-10-13 20:18:01,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:01,941 INFO L225 Difference]: With dead ends: 2445 [2019-10-13 20:18:01,941 INFO L226 Difference]: Without dead ends: 1176 [2019-10-13 20:18:01,951 INFO L600 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 [2019-10-13 20:18:01,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2019-10-13 20:18:02,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1176. [2019-10-13 20:18:02,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2019-10-13 20:18:02,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1616 transitions. [2019-10-13 20:18:02,130 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1616 transitions. Word has length 77 [2019-10-13 20:18:02,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:02,145 INFO L462 AbstractCegarLoop]: Abstraction has 1176 states and 1616 transitions. [2019-10-13 20:18:02,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:18:02,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1616 transitions. [2019-10-13 20:18:02,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 20:18:02,154 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:02,154 INFO L380 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] [2019-10-13 20:18:02,154 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:02,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:02,155 INFO L82 PathProgramCache]: Analyzing trace with hash 155849972, now seen corresponding path program 1 times [2019-10-13 20:18:02,155 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:02,155 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301147455] [2019-10-13 20:18:02,156 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:02,156 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:02,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 20:18:02,413 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301147455] [2019-10-13 20:18:02,413 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:02,413 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 20:18:02,414 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254030814] [2019-10-13 20:18:02,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 20:18:02,416 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:02,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 20:18:02,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-13 20:18:02,417 INFO L87 Difference]: Start difference. First operand 1176 states and 1616 transitions. Second operand 10 states. [2019-10-13 20:18:02,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:02,594 INFO L93 Difference]: Finished difference Result 2324 states and 3199 transitions. [2019-10-13 20:18:02,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 20:18:02,595 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 77 [2019-10-13 20:18:02,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:02,604 INFO L225 Difference]: With dead ends: 2324 [2019-10-13 20:18:02,604 INFO L226 Difference]: Without dead ends: 1178 [2019-10-13 20:18:02,609 INFO L600 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 [2019-10-13 20:18:02,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2019-10-13 20:18:02,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1176. [2019-10-13 20:18:02,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2019-10-13 20:18:02,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1615 transitions. [2019-10-13 20:18:02,670 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1615 transitions. Word has length 77 [2019-10-13 20:18:02,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:02,671 INFO L462 AbstractCegarLoop]: Abstraction has 1176 states and 1615 transitions. [2019-10-13 20:18:02,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 20:18:02,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1615 transitions. [2019-10-13 20:18:02,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 20:18:02,675 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:02,675 INFO L380 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] [2019-10-13 20:18:02,676 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:02,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:02,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1128765276, now seen corresponding path program 1 times [2019-10-13 20:18:02,676 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:02,676 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684372876] [2019-10-13 20:18:02,677 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:02,677 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:02,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:02,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 20:18:02,819 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684372876] [2019-10-13 20:18:02,819 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:02,819 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 20:18:02,819 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712521487] [2019-10-13 20:18:02,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 20:18:02,820 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:02,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 20:18:02,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 20:18:02,821 INFO L87 Difference]: Start difference. First operand 1176 states and 1615 transitions. Second operand 7 states. [2019-10-13 20:18:02,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:02,925 INFO L93 Difference]: Finished difference Result 1190 states and 1629 transitions. [2019-10-13 20:18:02,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 20:18:02,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2019-10-13 20:18:02,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:02,934 INFO L225 Difference]: With dead ends: 1190 [2019-10-13 20:18:02,934 INFO L226 Difference]: Without dead ends: 1187 [2019-10-13 20:18:02,935 INFO L600 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 [2019-10-13 20:18:02,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2019-10-13 20:18:02,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1184. [2019-10-13 20:18:02,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1184 states. [2019-10-13 20:18:02,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 1184 states and 1623 transitions. [2019-10-13 20:18:02,993 INFO L78 Accepts]: Start accepts. Automaton has 1184 states and 1623 transitions. Word has length 84 [2019-10-13 20:18:02,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:02,994 INFO L462 AbstractCegarLoop]: Abstraction has 1184 states and 1623 transitions. [2019-10-13 20:18:02,994 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 20:18:02,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1623 transitions. [2019-10-13 20:18:02,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 20:18:02,998 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:02,999 INFO L380 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] [2019-10-13 20:18:02,999 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:02,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:02,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1221708005, now seen corresponding path program 1 times [2019-10-13 20:18:03,000 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:03,000 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610979095] [2019-10-13 20:18:03,000 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:03,000 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:03,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 20:18:03,109 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610979095] [2019-10-13 20:18:03,109 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:03,109 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:18:03,110 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612248965] [2019-10-13 20:18:03,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:18:03,110 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:03,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:18:03,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:18:03,111 INFO L87 Difference]: Start difference. First operand 1184 states and 1623 transitions. Second operand 3 states. [2019-10-13 20:18:03,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:03,176 INFO L93 Difference]: Finished difference Result 2335 states and 3212 transitions. [2019-10-13 20:18:03,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:18:03,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2019-10-13 20:18:03,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:03,184 INFO L225 Difference]: With dead ends: 2335 [2019-10-13 20:18:03,185 INFO L226 Difference]: Without dead ends: 1185 [2019-10-13 20:18:03,189 INFO L600 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 [2019-10-13 20:18:03,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1185 states. [2019-10-13 20:18:03,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1185 to 1185. [2019-10-13 20:18:03,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1185 states. [2019-10-13 20:18:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1624 transitions. [2019-10-13 20:18:03,239 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1624 transitions. Word has length 100 [2019-10-13 20:18:03,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:03,240 INFO L462 AbstractCegarLoop]: Abstraction has 1185 states and 1624 transitions. [2019-10-13 20:18:03,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:18:03,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1624 transitions. [2019-10-13 20:18:03,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 20:18:03,244 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:03,244 INFO L380 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] [2019-10-13 20:18:03,245 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:03,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:03,245 INFO L82 PathProgramCache]: Analyzing trace with hash -210590755, now seen corresponding path program 1 times [2019-10-13 20:18:03,245 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:03,245 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716202382] [2019-10-13 20:18:03,246 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:03,246 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:03,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:03,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 20:18:03,447 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716202382] [2019-10-13 20:18:03,448 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:03,448 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 20:18:03,448 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354160742] [2019-10-13 20:18:03,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 20:18:03,449 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:03,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 20:18:03,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 20:18:03,450 INFO L87 Difference]: Start difference. First operand 1185 states and 1624 transitions. Second operand 8 states. [2019-10-13 20:18:03,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:03,601 INFO L93 Difference]: Finished difference Result 1219 states and 1664 transitions. [2019-10-13 20:18:03,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 20:18:03,602 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2019-10-13 20:18:03,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:03,610 INFO L225 Difference]: With dead ends: 1219 [2019-10-13 20:18:03,610 INFO L226 Difference]: Without dead ends: 1216 [2019-10-13 20:18:03,612 INFO L600 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 [2019-10-13 20:18:03,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2019-10-13 20:18:03,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1187. [2019-10-13 20:18:03,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1187 states. [2019-10-13 20:18:03,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1627 transitions. [2019-10-13 20:18:03,666 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1627 transitions. Word has length 100 [2019-10-13 20:18:03,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:03,667 INFO L462 AbstractCegarLoop]: Abstraction has 1187 states and 1627 transitions. [2019-10-13 20:18:03,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 20:18:03,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1627 transitions. [2019-10-13 20:18:03,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-13 20:18:03,672 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:03,673 INFO L380 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] [2019-10-13 20:18:03,673 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:03,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:03,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1613948095, now seen corresponding path program 1 times [2019-10-13 20:18:03,674 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:03,674 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198328704] [2019-10-13 20:18:03,674 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:03,674 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:03,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:03,877 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 20:18:03,878 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198328704] [2019-10-13 20:18:03,878 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:03,878 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 20:18:03,879 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073162209] [2019-10-13 20:18:03,879 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 20:18:03,879 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:03,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 20:18:03,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 20:18:03,880 INFO L87 Difference]: Start difference. First operand 1187 states and 1627 transitions. Second operand 4 states. [2019-10-13 20:18:05,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:05,615 INFO L93 Difference]: Finished difference Result 2361 states and 3240 transitions. [2019-10-13 20:18:05,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 20:18:05,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2019-10-13 20:18:05,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:05,624 INFO L225 Difference]: With dead ends: 2361 [2019-10-13 20:18:05,625 INFO L226 Difference]: Without dead ends: 1208 [2019-10-13 20:18:05,630 INFO L600 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 [2019-10-13 20:18:05,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2019-10-13 20:18:05,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1208. [2019-10-13 20:18:05,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2019-10-13 20:18:05,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1646 transitions. [2019-10-13 20:18:05,691 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1646 transitions. Word has length 134 [2019-10-13 20:18:05,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:05,691 INFO L462 AbstractCegarLoop]: Abstraction has 1208 states and 1646 transitions. [2019-10-13 20:18:05,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 20:18:05,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1646 transitions. [2019-10-13 20:18:05,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 20:18:05,698 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:05,698 INFO L380 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] [2019-10-13 20:18:05,698 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:05,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:05,699 INFO L82 PathProgramCache]: Analyzing trace with hash -2028554236, now seen corresponding path program 1 times [2019-10-13 20:18:05,699 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:05,699 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331947634] [2019-10-13 20:18:05,699 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:05,699 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:05,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:05,832 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 20:18:05,832 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331947634] [2019-10-13 20:18:05,832 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:05,833 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:18:05,833 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909002969] [2019-10-13 20:18:05,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:18:05,834 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:05,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:18:05,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:18:05,834 INFO L87 Difference]: Start difference. First operand 1208 states and 1646 transitions. Second operand 3 states. [2019-10-13 20:18:05,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:05,911 INFO L93 Difference]: Finished difference Result 2362 states and 3249 transitions. [2019-10-13 20:18:05,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:18:05,912 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-10-13 20:18:05,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:05,920 INFO L225 Difference]: With dead ends: 2362 [2019-10-13 20:18:05,920 INFO L226 Difference]: Without dead ends: 1209 [2019-10-13 20:18:05,926 INFO L600 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 [2019-10-13 20:18:05,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2019-10-13 20:18:05,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1208. [2019-10-13 20:18:05,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2019-10-13 20:18:05,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1643 transitions. [2019-10-13 20:18:05,986 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1643 transitions. Word has length 136 [2019-10-13 20:18:05,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:05,986 INFO L462 AbstractCegarLoop]: Abstraction has 1208 states and 1643 transitions. [2019-10-13 20:18:05,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:18:05,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1643 transitions. [2019-10-13 20:18:05,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-13 20:18:05,992 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:05,993 INFO L380 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] [2019-10-13 20:18:05,993 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:05,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:05,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1618378941, now seen corresponding path program 1 times [2019-10-13 20:18:05,994 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:05,994 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127804579] [2019-10-13 20:18:05,994 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:05,994 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:05,994 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:06,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 20:18:06,275 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127804579] [2019-10-13 20:18:06,276 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:06,276 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-13 20:18:06,276 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448332530] [2019-10-13 20:18:06,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 20:18:06,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:06,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 20:18:06,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-13 20:18:06,278 INFO L87 Difference]: Start difference. First operand 1208 states and 1643 transitions. Second operand 11 states. [2019-10-13 20:18:06,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:06,603 INFO L93 Difference]: Finished difference Result 2394 states and 3268 transitions. [2019-10-13 20:18:06,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 20:18:06,604 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 139 [2019-10-13 20:18:06,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:06,611 INFO L225 Difference]: With dead ends: 2394 [2019-10-13 20:18:06,612 INFO L226 Difference]: Without dead ends: 1216 [2019-10-13 20:18:06,617 INFO L600 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 [2019-10-13 20:18:06,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2019-10-13 20:18:06,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1208. [2019-10-13 20:18:06,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1208 states. [2019-10-13 20:18:06,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1208 states and 1642 transitions. [2019-10-13 20:18:06,675 INFO L78 Accepts]: Start accepts. Automaton has 1208 states and 1642 transitions. Word has length 139 [2019-10-13 20:18:06,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:06,675 INFO L462 AbstractCegarLoop]: Abstraction has 1208 states and 1642 transitions. [2019-10-13 20:18:06,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 20:18:06,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1642 transitions. [2019-10-13 20:18:06,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-13 20:18:06,681 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:06,681 INFO L380 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] [2019-10-13 20:18:06,682 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:06,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:06,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1497993997, now seen corresponding path program 1 times [2019-10-13 20:18:06,682 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:06,682 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693135836] [2019-10-13 20:18:06,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:06,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:06,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-13 20:18:06,842 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693135836] [2019-10-13 20:18:06,842 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:06,842 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 20:18:06,843 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976347398] [2019-10-13 20:18:06,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 20:18:06,844 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:06,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 20:18:06,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:18:06,844 INFO L87 Difference]: Start difference. First operand 1208 states and 1642 transitions. Second operand 5 states. [2019-10-13 20:18:06,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:06,965 INFO L93 Difference]: Finished difference Result 2369 states and 3239 transitions. [2019-10-13 20:18:06,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:18:06,966 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2019-10-13 20:18:06,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:06,973 INFO L225 Difference]: With dead ends: 2369 [2019-10-13 20:18:06,974 INFO L226 Difference]: Without dead ends: 1216 [2019-10-13 20:18:06,978 INFO L600 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 [2019-10-13 20:18:06,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2019-10-13 20:18:07,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1212. [2019-10-13 20:18:07,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1212 states. [2019-10-13 20:18:07,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 1212 states and 1646 transitions. [2019-10-13 20:18:07,033 INFO L78 Accepts]: Start accepts. Automaton has 1212 states and 1646 transitions. Word has length 144 [2019-10-13 20:18:07,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:07,033 INFO L462 AbstractCegarLoop]: Abstraction has 1212 states and 1646 transitions. [2019-10-13 20:18:07,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 20:18:07,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1646 transitions. [2019-10-13 20:18:07,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-13 20:18:07,039 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:07,040 INFO L380 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] [2019-10-13 20:18:07,040 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:07,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:07,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1491403801, now seen corresponding path program 1 times [2019-10-13 20:18:07,041 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:07,041 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771627999] [2019-10-13 20:18:07,041 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:07,041 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:07,041 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:07,177 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-13 20:18:07,177 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771627999] [2019-10-13 20:18:07,178 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:07,178 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:18:07,178 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631930104] [2019-10-13 20:18:07,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:18:07,179 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:07,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:18:07,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:18:07,179 INFO L87 Difference]: Start difference. First operand 1212 states and 1646 transitions. Second operand 3 states. [2019-10-13 20:18:07,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:07,322 INFO L93 Difference]: Finished difference Result 2372 states and 3244 transitions. [2019-10-13 20:18:07,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:18:07,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-10-13 20:18:07,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:07,331 INFO L225 Difference]: With dead ends: 2372 [2019-10-13 20:18:07,331 INFO L226 Difference]: Without dead ends: 1215 [2019-10-13 20:18:07,336 INFO L600 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 [2019-10-13 20:18:07,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2019-10-13 20:18:07,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1213. [2019-10-13 20:18:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2019-10-13 20:18:07,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1647 transitions. [2019-10-13 20:18:07,392 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1647 transitions. Word has length 171 [2019-10-13 20:18:07,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:07,393 INFO L462 AbstractCegarLoop]: Abstraction has 1213 states and 1647 transitions. [2019-10-13 20:18:07,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:18:07,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1647 transitions. [2019-10-13 20:18:07,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-13 20:18:07,399 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:07,399 INFO L380 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] [2019-10-13 20:18:07,400 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:07,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:07,400 INFO L82 PathProgramCache]: Analyzing trace with hash 2010448998, now seen corresponding path program 1 times [2019-10-13 20:18:07,400 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:07,401 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176085754] [2019-10-13 20:18:07,401 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:07,401 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:07,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-13 20:18:07,524 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176085754] [2019-10-13 20:18:07,524 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:07,525 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:18:07,525 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480737248] [2019-10-13 20:18:07,525 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:18:07,525 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:07,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:18:07,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:18:07,526 INFO L87 Difference]: Start difference. First operand 1213 states and 1647 transitions. Second operand 3 states. [2019-10-13 20:18:07,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:07,602 INFO L93 Difference]: Finished difference Result 2362 states and 3231 transitions. [2019-10-13 20:18:07,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:18:07,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2019-10-13 20:18:07,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:07,610 INFO L225 Difference]: With dead ends: 2362 [2019-10-13 20:18:07,610 INFO L226 Difference]: Without dead ends: 1204 [2019-10-13 20:18:07,614 INFO L600 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 [2019-10-13 20:18:07,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2019-10-13 20:18:07,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 1199. [2019-10-13 20:18:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2019-10-13 20:18:07,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1628 transitions. [2019-10-13 20:18:07,666 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1628 transitions. Word has length 173 [2019-10-13 20:18:07,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:07,667 INFO L462 AbstractCegarLoop]: Abstraction has 1199 states and 1628 transitions. [2019-10-13 20:18:07,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:18:07,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1628 transitions. [2019-10-13 20:18:07,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-13 20:18:07,673 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:07,673 INFO L380 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] [2019-10-13 20:18:07,673 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:07,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:07,674 INFO L82 PathProgramCache]: Analyzing trace with hash 394502906, now seen corresponding path program 1 times [2019-10-13 20:18:07,674 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:07,674 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139437861] [2019-10-13 20:18:07,674 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:07,674 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:07,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:18:07,866 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-13 20:18:07,867 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139437861] [2019-10-13 20:18:07,867 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:18:07,867 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 20:18:07,867 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859418946] [2019-10-13 20:18:07,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 20:18:07,868 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:18:07,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 20:18:07,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 20:18:07,869 INFO L87 Difference]: Start difference. First operand 1199 states and 1628 transitions. Second operand 6 states. [2019-10-13 20:18:14,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:18:14,074 INFO L93 Difference]: Finished difference Result 2356 states and 3223 transitions. [2019-10-13 20:18:14,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 20:18:14,075 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 184 [2019-10-13 20:18:14,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:18:14,082 INFO L225 Difference]: With dead ends: 2356 [2019-10-13 20:18:14,082 INFO L226 Difference]: Without dead ends: 1212 [2019-10-13 20:18:14,086 INFO L600 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 [2019-10-13 20:18:14,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2019-10-13 20:18:14,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1200. [2019-10-13 20:18:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1200 states. [2019-10-13 20:18:14,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1629 transitions. [2019-10-13 20:18:14,132 INFO L78 Accepts]: Start accepts. Automaton has 1200 states and 1629 transitions. Word has length 184 [2019-10-13 20:18:14,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:18:14,132 INFO L462 AbstractCegarLoop]: Abstraction has 1200 states and 1629 transitions. [2019-10-13 20:18:14,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 20:18:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 1629 transitions. [2019-10-13 20:18:14,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-13 20:18:14,139 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:18:14,139 INFO L380 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] [2019-10-13 20:18:14,139 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:18:14,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:18:14,140 INFO L82 PathProgramCache]: Analyzing trace with hash -733466725, now seen corresponding path program 1 times [2019-10-13 20:18:14,140 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:18:14,140 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585190430] [2019-10-13 20:18:14,140 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:14,140 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:18:14,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:18:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-13 20:18:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-13 20:18:15,792 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-13 20:18:15,792 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-13 20:18:15,903 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)# [2019-10-13 20:18:15,904 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# [2019-10-13 20:18:15,904 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# [2019-10-13 20:18:15,905 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)# [2019-10-13 20:18:15,930 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 [2019-10-13 20:18:15,931 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 [2019-10-13 20:18:15,932 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 [2019-10-13 20:18:15,959 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 [2019-10-13 20:18:15,960 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 [2019-10-13 20:18:15,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:18:15 BoogieIcfgContainer [2019-10-13 20:18:15,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 20:18:16,002 INFO L168 Benchmark]: Toolchain (without parser) took 27798.30 ms. Allocated memory was 138.4 MB in the beginning and 675.8 MB in the end (delta: 537.4 MB). Free memory was 93.0 MB in the beginning and 241.2 MB in the end (delta: -148.2 MB). Peak memory consumption was 389.2 MB. Max. memory is 7.1 GB. [2019-10-13 20:18:16,003 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 20:18:16,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2812.06 ms. Allocated memory was 138.4 MB in the beginning and 254.8 MB in the end (delta: 116.4 MB). Free memory was 92.8 MB in the beginning and 188.7 MB in the end (delta: -95.9 MB). Peak memory consumption was 120.3 MB. Max. memory is 7.1 GB. [2019-10-13 20:18:16,004 INFO L168 Benchmark]: Boogie Preprocessor took 254.06 ms. Allocated memory is still 254.8 MB. Free memory was 188.7 MB in the beginning and 171.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-10-13 20:18:16,005 INFO L168 Benchmark]: RCFGBuilder took 4085.96 ms. Allocated memory was 254.8 MB in the beginning and 343.4 MB in the end (delta: 88.6 MB). Free memory was 171.6 MB in the beginning and 131.0 MB in the end (delta: 40.6 MB). Peak memory consumption was 129.2 MB. Max. memory is 7.1 GB. [2019-10-13 20:18:16,006 INFO L168 Benchmark]: TraceAbstraction took 20641.61 ms. Allocated memory was 343.4 MB in the beginning and 675.8 MB in the end (delta: 332.4 MB). Free memory was 131.0 MB in the beginning and 241.2 MB in the end (delta: -110.2 MB). Peak memory consumption was 222.2 MB. Max. memory is 7.1 GB. [2019-10-13 20:18:16,010 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2812.06 ms. Allocated memory was 138.4 MB in the beginning and 254.8 MB in the end (delta: 116.4 MB). Free memory was 92.8 MB in the beginning and 188.7 MB in the end (delta: -95.9 MB). Peak memory consumption was 120.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 254.06 ms. Allocated memory is still 254.8 MB. Free memory was 188.7 MB in the beginning and 171.6 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4085.96 ms. Allocated memory was 254.8 MB in the beginning and 343.4 MB in the end (delta: 88.6 MB). Free memory was 171.6 MB in the beginning and 131.0 MB in the end (delta: 40.6 MB). Peak memory consumption was 129.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20641.61 ms. Allocated memory was 343.4 MB in the beginning and 675.8 MB in the end (delta: 332.4 MB). Free memory was 131.0 MB in the beginning and 241.2 MB in the end (delta: -110.2 MB). Peak memory consumption was 222.2 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: 20.5s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 15.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 18847 SDtfs, 6059 SDslu, 57962 SDs, 0 SdLazy, 5692 SolverSat, 2220 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s 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: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 66 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 1.4s 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...