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 -i ../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 22:13:52,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 22:13:52,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 22:13:52,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 22:13:52,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 22:13:52,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 22:13:52,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 22:13:52,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 22:13:52,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 22:13:52,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 22:13:52,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 22:13:52,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 22:13:52,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 22:13:52,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 22:13:52,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 22:13:52,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 22:13:52,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 22:13:52,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 22:13:52,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 22:13:52,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 22:13:52,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 22:13:52,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 22:13:52,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 22:13:52,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 22:13:52,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 22:13:52,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 22:13:52,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 22:13:52,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 22:13:52,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 22:13:52,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 22:13:52,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 22:13:52,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 22:13:52,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 22:13:52,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 22:13:52,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 22:13:52,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 22:13:52,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 22:13:52,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 22:13:52,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 22:13:52,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 22:13:52,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 22:13:52,864 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 [2019-10-14 22:13:52,879 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 22:13:52,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 22:13:52,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 22:13:52,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 22:13:52,880 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 22:13:52,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 22:13:52,881 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 22:13:52,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 22:13:52,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 22:13:52,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 22:13:52,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 22:13:52,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 22:13:52,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 22:13:52,882 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 22:13:52,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 22:13:52,883 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 22:13:52,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 22:13:52,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 22:13:52,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 22:13:52,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 22:13:52,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 22:13:52,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:13:52,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 22:13:52,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 22:13:52,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 22:13:52,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 22:13:52,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 22:13:52,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 22:13:52,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 22:13:53,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 22:13:53,219 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 22:13:53,223 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 22:13:53,224 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 22:13:53,224 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 22:13:53,225 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2019-10-14 22:13:53,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d67a1469/29b4ec751515488d9b03002c15df8391/FLAG65fe2b399 [2019-10-14 22:13:54,028 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 22:13:54,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2019-10-14 22:13:54,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d67a1469/29b4ec751515488d9b03002c15df8391/FLAG65fe2b399 [2019-10-14 22:13:54,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d67a1469/29b4ec751515488d9b03002c15df8391 [2019-10-14 22:13:54,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 22:13:54,128 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 22:13:54,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 22:13:54,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 22:13:54,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 22:13:54,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:13:54" (1/1) ... [2019-10-14 22:13:54,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b46624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:54, skipping insertion in model container [2019-10-14 22:13:54,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:13:54" (1/1) ... [2019-10-14 22:13:54,145 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 22:13:54,265 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 22:13:56,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:13:56,091 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 22:13:56,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:13:56,725 INFO L192 MainTranslator]: Completed translation [2019-10-14 22:13:56,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:56 WrapperNode [2019-10-14 22:13:56,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 22:13:56,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 22:13:56,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 22:13:56,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 22:13:56,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:56" (1/1) ... [2019-10-14 22:13:56,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:56" (1/1) ... [2019-10-14 22:13:56,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:56" (1/1) ... [2019-10-14 22:13:56,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:56" (1/1) ... [2019-10-14 22:13:56,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:56" (1/1) ... [2019-10-14 22:13:56,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:56" (1/1) ... [2019-10-14 22:13:57,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:56" (1/1) ... [2019-10-14 22:13:57,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 22:13:57,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 22:13:57,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 22:13:57,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 22:13:57,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:56" (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 [2019-10-14 22:13:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 22:13:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 22:13:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-14 22:13:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 22:13:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2019-10-14 22:13:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 22:13:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-14 22:13:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-14 22:13:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-14 22:13:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-14 22:13:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-14 22:13:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-14 22:13:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-14 22:13:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-14 22:13:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-14 22:13:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-14 22:13:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-14 22:13:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-14 22:13:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-14 22:13:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 22:13:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-14 22:13:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-14 22:13:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-14 22:13:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-14 22:13:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-14 22:13:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-14 22:13:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-14 22:13:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2019-10-14 22:13:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-14 22:13:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-14 22:13:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-14 22:13:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-14 22:13:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-14 22:13:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-14 22:13:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-14 22:13:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-14 22:13:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-14 22:13:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc_bufs [2019-10-14 22:13:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2019-10-14 22:13:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_realloc_bufs [2019-10-14 22:13:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_lock [2019-10-14 22:13:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2019-10-14 22:13:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2019-10-14 22:13:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_encaps [2019-10-14 22:13:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_write_wakeup [2019-10-14 22:13:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2019-10-14 22:13:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_xmit [2019-10-14 22:13:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_close [2019-10-14 22:13:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_open [2019-10-14 22:13:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2019-10-14 22:13:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2019-10-14 22:13:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_init [2019-10-14 22:13:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_uninit [2019-10-14 22:13:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_netdev [2019-10-14 22:13:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_setup [2019-10-14 22:13:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_receive_buf [2019-10-14 22:13:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_sync [2019-10-14 22:13:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc [2019-10-14 22:13:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_open [2019-10-14 22:13:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2019-10-14 22:13:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2019-10-14 22:13:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc [2019-10-14 22:13:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc [2019-10-14 22:13:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc6 [2019-10-14 22:13:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc6 [2019-10-14 22:13:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2019-10-14 22:13:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2019-10-14 22:13:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2019-10-14 22:13:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_init [2019-10-14 22:13:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_exit [2019-10-14 22:13:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_outfill [2019-10-14 22:13:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_keepalive [2019-10-14 22:13:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 22:13:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sl_alloc_bufs_1 [2019-10-14 22:13:57,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_2 [2019-10-14 22:13:57,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_slip_open_3 [2019-10-14 22:13:57,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 22:13:57,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_callback_ret_val [2019-10-14 22:13:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-14 22:13:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-14 22:13:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-14 22:13:57,126 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-14 22:13:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-14 22:13:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-14 22:13:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-14 22:13:57,127 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-14 22:13:57,128 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-14 22:13:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-14 22:13:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-14 22:13:57,129 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-14 22:13:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-14 22:13:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-14 22:13:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2019-10-14 22:13:57,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-10-14 22:13:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-14 22:13:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-14 22:13:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 22:13:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-14 22:13:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-14 22:13:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 22:13:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-14 22:13:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-14 22:13:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-10-14 22:13:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-14 22:13:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-14 22:13:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-14 22:13:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2019-10-14 22:13:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-10-14 22:13:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-10-14 22:13:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-14 22:13:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2019-10-14 22:13:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2019-10-14 22:13:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2019-10-14 22:13:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2019-10-14 22:13:57,134 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2019-10-14 22:13:57,134 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_chars_in_buffer [2019-10-14 22:13:57,134 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2019-10-14 22:13:57,134 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2019-10-14 22:13:57,135 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-10-14 22:13:57,135 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-10-14 22:13:57,136 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-10-14 22:13:57,136 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-14 22:13:57,136 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2019-10-14 22:13:57,136 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-14 22:13:57,137 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 22:13:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 22:13:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-14 22:13:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 22:13:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 22:13:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 22:13:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 22:13:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2019-10-14 22:13:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_callback_ret_val [2019-10-14 22:13:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-14 22:13:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-14 22:13:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-14 22:13:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-14 22:13:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-14 22:13:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 22:13:57,141 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-14 22:13:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-14 22:13:57,144 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-14 22:13:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-14 22:13:57,145 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-14 22:13:57,150 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-14 22:13:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-14 22:13:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-14 22:13:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-14 22:13:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-14 22:13:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-14 22:13:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-14 22:13:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-14 22:13:57,151 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-14 22:13:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-14 22:13:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-14 22:13:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-14 22:13:57,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-14 22:13:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-10-14 22:13:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-14 22:13:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-14 22:13:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-14 22:13:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-14 22:13:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-14 22:13:57,153 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-14 22:13:57,154 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-14 22:13:57,154 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-14 22:13:57,154 INFO L130 BoogieDeclarations]: Found specification of procedure tty_chars_in_buffer [2019-10-14 22:13:57,154 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2019-10-14 22:13:57,154 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-10-14 22:13:57,154 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2019-10-14 22:13:57,154 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-10-14 22:13:57,154 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-10-14 22:13:57,155 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 22:13:57,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 22:13:57,155 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 22:13:57,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-14 22:13:57,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 22:13:57,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 22:13:57,155 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-14 22:13:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-14 22:13:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-14 22:13:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-14 22:13:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-14 22:13:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-14 22:13:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 22:13:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 22:13:57,156 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-14 22:13:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-14 22:13:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-14 22:13:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-14 22:13:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2019-10-14 22:13:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2019-10-14 22:13:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_2 [2019-10-14 22:13:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2019-10-14 22:13:57,157 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2019-10-14 22:13:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-14 22:13:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-14 22:13:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-14 22:13:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-14 22:13:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-14 22:13:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-14 22:13:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-14 22:13:57,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-14 22:13:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 22:13:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-14 22:13:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-14 22:13:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-14 22:13:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-14 22:13:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-14 22:13:57,159 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-10-14 22:13:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-14 22:13:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-14 22:13:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-10-14 22:13:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-10-14 22:13:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2019-10-14 22:13:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2019-10-14 22:13:57,160 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2019-10-14 22:13:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2019-10-14 22:13:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2019-10-14 22:13:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc [2019-10-14 22:13:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc [2019-10-14 22:13:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc6 [2019-10-14 22:13:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc6 [2019-10-14 22:13:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure sl_keepalive [2019-10-14 22:13:57,161 INFO L130 BoogieDeclarations]: Found specification of procedure sl_outfill [2019-10-14 22:13:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2019-10-14 22:13:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc_bufs [2019-10-14 22:13:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sl_alloc_bufs_1 [2019-10-14 22:13:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2019-10-14 22:13:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-14 22:13:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure sl_realloc_bufs [2019-10-14 22:13:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-14 22:13:57,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 22:13:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure sl_lock [2019-10-14 22:13:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2019-10-14 22:13:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2019-10-14 22:13:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure sl_encaps [2019-10-14 22:13:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-14 22:13:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 22:13:57,163 INFO L130 BoogieDeclarations]: Found specification of procedure slip_write_wakeup [2019-10-14 22:13:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2019-10-14 22:13:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure sl_xmit [2019-10-14 22:13:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure sl_close [2019-10-14 22:13:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure sl_open [2019-10-14 22:13:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2019-10-14 22:13:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2019-10-14 22:13:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure sl_init [2019-10-14 22:13:57,164 INFO L130 BoogieDeclarations]: Found specification of procedure sl_uninit [2019-10-14 22:13:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_netdev [2019-10-14 22:13:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure sl_setup [2019-10-14 22:13:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure slip_receive_buf [2019-10-14 22:13:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure sl_sync [2019-10-14 22:13:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc [2019-10-14 22:13:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure slip_open [2019-10-14 22:13:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_slip_open_3 [2019-10-14 22:13:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2019-10-14 22:13:57,165 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2019-10-14 22:13:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2019-10-14 22:13:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2019-10-14 22:13:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure slip_init [2019-10-14 22:13:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure slip_exit [2019-10-14 22:13:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 22:13:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-14 22:13:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 22:13:57,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-14 22:13:57,167 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 22:13:57,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 22:13:57,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 22:13:57,171 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 22:13:57,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-14 22:13:57,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 22:13:57,171 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 22:13:57,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 22:13:57,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 22:13:57,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 22:13:57,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 22:13:57,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-14 22:13:57,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-14 22:13:57,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-14 22:13:57,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-14 22:13:58,023 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 22:14:00,441 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 22:14:00,441 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 22:14:00,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:14:00 BoogieIcfgContainer [2019-10-14 22:14:00,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 22:14:00,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 22:14:00,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 22:14:00,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 22:14:00,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:13:54" (1/3) ... [2019-10-14 22:14:00,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@458dda65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:14:00, skipping insertion in model container [2019-10-14 22:14:00,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:56" (2/3) ... [2019-10-14 22:14:00,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@458dda65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:14:00, skipping insertion in model container [2019-10-14 22:14:00,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:14:00" (3/3) ... [2019-10-14 22:14:00,455 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac.i [2019-10-14 22:14:00,465 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 22:14:00,480 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 22:14:00,494 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 22:14:00,540 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 22:14:00,541 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 22:14:00,541 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 22:14:00,541 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 22:14:00,541 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 22:14:00,541 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 22:14:00,541 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 22:14:00,541 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 22:14:00,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states. [2019-10-14 22:14:00,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-14 22:14:00,627 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:14:00,629 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] [2019-10-14 22:14:00,631 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:14:00,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:14:00,639 INFO L82 PathProgramCache]: Analyzing trace with hash 573246578, now seen corresponding path program 1 times [2019-10-14 22:14:00,648 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:14:00,648 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125239895] [2019-10-14 22:14:00,649 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:14:00,649 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:14:00,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:14:00,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:01,574 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 22:14:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-14 22:14:01,933 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125239895] [2019-10-14 22:14:01,934 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:14:01,934 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 22:14:01,934 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443670028] [2019-10-14 22:14:01,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 22:14:01,939 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:14:01,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 22:14:01,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-14 22:14:01,954 INFO L87 Difference]: Start difference. First operand 1230 states. Second operand 9 states. [2019-10-14 22:14:02,320 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-10-14 22:14:03,206 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2019-10-14 22:14:06,143 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-14 22:14:20,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 22:14:20,182 INFO L93 Difference]: Finished difference Result 2815 states and 4029 transitions. [2019-10-14 22:14:20,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 22:14:20,184 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2019-10-14 22:14:20,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 22:14:20,236 INFO L225 Difference]: With dead ends: 2815 [2019-10-14 22:14:20,237 INFO L226 Difference]: Without dead ends: 1527 [2019-10-14 22:14:20,250 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2019-10-14 22:14:20,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2019-10-14 22:14:20,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1176. [2019-10-14 22:14:20,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2019-10-14 22:14:20,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1616 transitions. [2019-10-14 22:14:20,515 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1616 transitions. Word has length 77 [2019-10-14 22:14:20,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 22:14:20,516 INFO L462 AbstractCegarLoop]: Abstraction has 1176 states and 1616 transitions. [2019-10-14 22:14:20,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 22:14:20,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1616 transitions. [2019-10-14 22:14:20,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-14 22:14:20,523 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:14:20,523 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] [2019-10-14 22:14:20,523 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:14:20,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:14:20,524 INFO L82 PathProgramCache]: Analyzing trace with hash 155849972, now seen corresponding path program 1 times [2019-10-14 22:14:20,524 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:14:20,524 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634645481] [2019-10-14 22:14:20,524 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:14:20,524 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:14:20,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:14:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:20,970 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-14 22:14:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:14:21,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-14 22:14:21,183 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634645481] [2019-10-14 22:14:21,183 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:14:21,184 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 22:14:21,184 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692362027] [2019-10-14 22:14:21,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 22:14:21,198 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:14:21,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 22:14:21,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-14 22:14:21,201 INFO L87 Difference]: Start difference. First operand 1176 states and 1616 transitions. Second operand 13 states. [2019-10-14 22:14:21,626 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 196