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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 10:59:15,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:59:15,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:59:15,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:59:15,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:59:15,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:59:15,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:59:15,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:59:15,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:59:15,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:59:15,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:59:15,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:59:15,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:59:15,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:59:15,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:59:15,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:59:15,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:59:15,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:59:15,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:59:15,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:59:15,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:59:15,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:59:15,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:59:15,965 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:59:15,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:59:15,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:59:15,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:59:15,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:59:15,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:59:15,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:59:15,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:59:15,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:59:15,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:59:15,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:59:15,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:59:15,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:59:15,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:59:15,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:59:15,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:59:15,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:59:15,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:59:15,989 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 10:59:16,016 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:59:16,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:59:16,018 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:59:16,019 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:59:16,019 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:59:16,020 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:59:16,020 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:59:16,020 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:59:16,020 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:59:16,020 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:59:16,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:59:16,023 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:59:16,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:59:16,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:59:16,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:59:16,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:59:16,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:59:16,025 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:59:16,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:59:16,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:59:16,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:59:16,026 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:59:16,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:59:16,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:59:16,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:59:16,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:59:16,027 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:59:16,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:59:16,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:59:16,027 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:59:16,083 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:59:16,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:59:16,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:59:16,107 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:59:16,108 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:59:16,109 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2019-09-10 10:59:16,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e82c5b792/cf608be5d28d4c0a8ec6bc2726d75662/FLAGbab87c34c [2019-09-10 10:59:17,013 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:59:17,013 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2019-09-10 10:59:17,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e82c5b792/cf608be5d28d4c0a8ec6bc2726d75662/FLAGbab87c34c [2019-09-10 10:59:17,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e82c5b792/cf608be5d28d4c0a8ec6bc2726d75662 [2019-09-10 10:59:17,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:59:17,503 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:59:17,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:59:17,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:59:17,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:59:17,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:59:17" (1/1) ... [2019-09-10 10:59:17,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28980170 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:59:17, skipping insertion in model container [2019-09-10 10:59:17,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:59:17" (1/1) ... [2019-09-10 10:59:17,519 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:59:17,668 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:59:19,730 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:59:19,810 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:59:20,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:59:20,529 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:59:20,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:59:20 WrapperNode [2019-09-10 10:59:20,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:59:20,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:59:20,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:59:20,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:59:20,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:59:20" (1/1) ... [2019-09-10 10:59:20,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:59:20" (1/1) ... [2019-09-10 10:59:20,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:59:20" (1/1) ... [2019-09-10 10:59:20,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:59:20" (1/1) ... [2019-09-10 10:59:20,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:59:20" (1/1) ... [2019-09-10 10:59:20,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:59:20" (1/1) ... [2019-09-10 10:59:20,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:59:20" (1/1) ... [2019-09-10 10:59:20,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:59:20,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:59:20,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:59:20,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:59:20,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:59:20" (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 [2019-09-10 10:59:20,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:59:20,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:59:20,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-10 10:59:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-10 10:59:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-10 10:59:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-09-10 10:59:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-09-10 10:59:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-10 10:59:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-09-10 10:59:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-09-10 10:59:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2019-09-10 10:59:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-10 10:59:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 10:59:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 10:59:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 10:59:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 10:59:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 10:59:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:59:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 10:59:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:59:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:59:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-10 10:59:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-09-10 10:59:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_attr_size [2019-09-10 10:59:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_total_size [2019-09-10 10:59:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2019-09-10 10:59:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2019-09-10 10:59:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2019-09-10 10:59:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2019-09-10 10:59:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2019-09-10 10:59:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_prv [2019-09-10 10:59:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_reserve [2019-09-10 10:59:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_destructor [2019-09-10 10:59:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_set_owner [2019-09-10 10:59:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure can_create_echo_skb [2019-09-10 10:59:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dlc2len [2019-09-10 10:59:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure can_len2dlc [2019-09-10 10:59:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure can_update_spt [2019-09-10 10:59:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure can_calc_bittiming [2019-09-10 10:59:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fixup_bittiming [2019-09-10 10:59:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_bittiming [2019-09-10 10:59:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure can_flush_echo_skb [2019-09-10 10:59:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2019-09-10 10:59:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2019-09-10 10:59:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2019-09-10 10:59:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart [2019-09-10 10:59:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart_now [2019-09-10 10:59:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2019-09-10 10:59:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure can_setup [2019-09-10 10:59:20,902 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2019-09-10 10:59:20,902 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_canfd_skb [2019-09-10 10:59:20,902 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2019-09-10 10:59:20,902 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2019-09-10 10:59:20,902 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2019-09-10 10:59:20,902 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2019-09-10 10:59:20,902 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2019-09-10 10:59:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2019-09-10 10:59:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure can_changelink [2019-09-10 10:59:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_size [2019-09-10 10:59:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_info [2019-09-10 10:59:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_xstats_size [2019-09-10 10:59:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_xstats [2019-09-10 10:59:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure can_newlink [2019-09-10 10:59:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2019-09-10 10:59:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2019-09-10 10:59:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_candev_priv [2019-09-10 10:59:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_init [2019-09-10 10:59:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_exit [2019-09-10 10:59:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-09-10 10:59:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-09-10 10:59:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-09-10 10:59:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-09-10 10:59:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-09-10 10:59:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-09-10 10:59:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-09-10 10:59:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-09-10 10:59:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-09-10 10:59:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-09-10 10:59:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-09-10 10:59:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtnl_link_ops_4 [2019-09-10 10:59:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:59:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-10 10:59:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-10 10:59:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-10 10:59:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-10 10:59:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-10 10:59:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-09-10 10:59:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_14 [2019-09-10 10:59:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_15 [2019-09-10 10:59:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-09-10 10:59:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2019-09-10 10:59:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2019-09-10 10:59:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2019-09-10 10:59:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_20 [2019-09-10 10:59:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_21 [2019-09-10 10:59:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_22 [2019-09-10 10:59:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23 [2019-09-10 10:59:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2019-09-10 10:59:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_25 [2019-09-10 10:59:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_27 [2019-09-10 10:59:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notifier_info_to_dev [2019-09-10 10:59:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2019-09-10 10:59:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_release [2019-09-10 10:59:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2019-09-10 10:59:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier [2019-09-10 10:59:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_init [2019-09-10 10:59:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_exit [2019-09-10 10:59:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2019-09-10 10:59:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_35 [2019-09-10 10:59:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_36 [2019-09-10 10:59:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_37 [2019-09-10 10:59:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_38 [2019-09-10 10:59:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_41 [2019-09-10 10:59:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_42 [2019-09-10 10:59:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-10 10:59:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-10 10:59:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-10 10:59:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-10 10:59:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-10 10:59:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 10:59:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 10:59:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 10:59:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 10:59:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-10 10:59:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:59:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-10 10:59:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-10 10:59:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-10 10:59:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-10 10:59:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-10 10:59:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:59:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __devres_alloc [2019-09-10 10:59:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-09-10 10:59:20,914 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-09-10 10:59:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-09-10 10:59:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure devres_add [2019-09-10 10:59:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2019-09-10 10:59:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-10 10:59:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_4 [2019-09-10 10:59:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2019-09-10 10:59:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_blink_oneshot [2019-09-10 10:59:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2019-09-10 10:59:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_register_simple [2019-09-10 10:59:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_rename_static [2019-09-10 10:59:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_unregister_simple [2019-09-10 10:59:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-09-10 10:59:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-09-10 10:59:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-09-10 10:59:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-09-10 10:59:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-09-10 10:59:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2019-09-10 10:59:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 10:59:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-10 10:59:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice_notifier [2019-09-10 10:59:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2019-09-10 10:59:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_register [2019-09-10 10:59:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2019-09-10 10:59:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_free [2019-09-10 10:59:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-09-10 10:59:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-10 10:59:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-10 10:59:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2019-09-10 10:59:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:59:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:59:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 10:59:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 10:59:20,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 10:59:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:59:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:59:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-09-10 10:59:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:59:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 10:59:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2019-09-10 10:59:20,920 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-09-10 10:59:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 10:59:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 10:59:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-10 10:59:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-09-10 10:59:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-09-10 10:59:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-09-10 10:59:20,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23 [2019-09-10 10:59:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2019-09-10 10:59:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-09-10 10:59:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_27 [2019-09-10 10:59:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-10 10:59:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-10 10:59:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-10 10:59:20,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-10 10:59:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-09-10 10:59:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_14 [2019-09-10 10:59:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-09-10 10:59:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2019-09-10 10:59:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2019-09-10 10:59:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2019-09-10 10:59:20,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_21 [2019-09-10 10:59:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-10 10:59:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_15 [2019-09-10 10:59:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-09-10 10:59:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2019-09-10 10:59:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-10 10:59:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-10 10:59:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:59:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:59:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:59:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_25 [2019-09-10 10:59:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-10 10:59:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-10 10:59:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-10 10:59:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 10:59:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 10:59:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:59:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 10:59:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:59:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 10:59:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 10:59:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 10:59:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 10:59:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 10:59:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 10:59:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 10:59:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 10:59:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:59:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 10:59:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:59:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-09-10 10:59:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-09-10 10:59:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-09-10 10:59:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-09-10 10:59:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-09-10 10:59:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-09-10 10:59:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-09-10 10:59:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-09-10 10:59:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-09-10 10:59:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-09-10 10:59:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-09-10 10:59:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtnl_link_ops_4 [2019-09-10 10:59:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-10 10:59:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-10 10:59:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_20 [2019-09-10 10:59:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_22 [2019-09-10 10:59:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-09-10 10:59:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-09-10 10:59:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-09-10 10:59:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-09-10 10:59:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-10 10:59:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-10 10:59:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-09-10 10:59:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-09-10 10:59:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_init [2019-09-10 10:59:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_exit [2019-09-10 10:59:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure can_dlc2len [2019-09-10 10:59:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure can_len2dlc [2019-09-10 10:59:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2019-09-10 10:59:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2019-09-10 10:59:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure safe_candev_priv [2019-09-10 10:59:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2019-09-10 10:59:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2019-09-10 10:59:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2019-09-10 10:59:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2019-09-10 10:59:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2019-09-10 10:59:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart_now [2019-09-10 10:59:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2019-09-10 10:59:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2019-09-10 10:59:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2019-09-10 10:59:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2019-09-10 10:59:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2019-09-10 10:59:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_canfd_skb [2019-09-10 10:59:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2019-09-10 10:59:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2019-09-10 10:59:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2019-09-10 10:59:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure nla_attr_size [2019-09-10 10:59:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure nla_total_size [2019-09-10 10:59:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2019-09-10 10:59:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2019-09-10 10:59:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:59:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:59:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2019-09-10 10:59:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_register [2019-09-10 10:59:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2019-09-10 10:59:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2019-09-10 10:59:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure sk_free [2019-09-10 10:59:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2019-09-10 10:59:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_prv [2019-09-10 10:59:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_reserve [2019-09-10 10:59:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_destructor [2019-09-10 10:59:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_set_owner [2019-09-10 10:59:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure can_create_echo_skb [2019-09-10 10:59:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure can_update_spt [2019-09-10 10:59:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure can_calc_bittiming [2019-09-10 10:59:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure can_fixup_bittiming [2019-09-10 10:59:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_bittiming [2019-09-10 10:59:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure can_flush_echo_skb [2019-09-10 10:59:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart [2019-09-10 10:59:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-09-10 10:59:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure can_setup [2019-09-10 10:59:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 10:59:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure can_changelink [2019-09-10 10:59:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 10:59:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-10 10:59:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_size [2019-09-10 10:59:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_info [2019-09-10 10:59:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-09-10 10:59:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_xstats_size [2019-09-10 10:59:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_xstats [2019-09-10 10:59:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure can_newlink [2019-09-10 10:59:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_init [2019-09-10 10:59:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_exit [2019-09-10 10:59:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2019-09-10 10:59:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:59:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:59:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_4 [2019-09-10 10:59:20,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-09-10 10:59:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2019-09-10 10:59:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:59:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-09-10 10:59:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure __devres_alloc [2019-09-10 10:59:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure devres_add [2019-09-10 10:59:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_36 [2019-09-10 10:59:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_37 [2019-09-10 10:59:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_38 [2019-09-10 10:59:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_41 [2019-09-10 10:59:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_42 [2019-09-10 10:59:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_35 [2019-09-10 10:59:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice_notifier [2019-09-10 10:59:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2019-09-10 10:59:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notifier_info_to_dev [2019-09-10 10:59:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_register_simple [2019-09-10 10:59:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_unregister_simple [2019-09-10 10:59:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2019-09-10 10:59:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_blink_oneshot [2019-09-10 10:59:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_rename_static [2019-09-10 10:59:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2019-09-10 10:59:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2019-09-10 10:59:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_release [2019-09-10 10:59:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier [2019-09-10 10:59:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-10 10:59:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-10 10:59:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-10 10:59:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-10 10:59:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-10 10:59:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 10:59:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 10:59:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 10:59:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 10:59:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-10 10:59:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-10 10:59:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-10 10:59:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:59:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:59:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:59:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:59:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:59:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:59:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:59:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 10:59:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 10:59:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 10:59:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 10:59:22,075 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 10:59:25,216 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:59:25,216 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 10:59:25,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:59:25 BoogieIcfgContainer [2019-09-10 10:59:25,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:59:25,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:59:25,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:59:25,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:59:25,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:59:17" (1/3) ... [2019-09-10 10:59:25,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4340b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:59:25, skipping insertion in model container [2019-09-10 10:59:25,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:59:20" (2/3) ... [2019-09-10 10:59:25,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4340b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:59:25, skipping insertion in model container [2019-09-10 10:59:25,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:59:25" (3/3) ... [2019-09-10 10:59:25,228 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2019-09-10 10:59:25,238 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:59:25,251 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:59:25,269 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:59:25,302 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:59:25,302 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:59:25,302 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:59:25,302 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:59:25,302 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:59:25,302 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:59:25,303 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:59:25,303 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:59:25,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states. [2019-09-10 10:59:25,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-10 10:59:25,381 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:59:25,383 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:59:25,384 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:59:25,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:59:25,389 INFO L82 PathProgramCache]: Analyzing trace with hash -938639197, now seen corresponding path program 1 times [2019-09-10 10:59:25,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:59:25,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:59:25,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:59:25,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:59:25,476 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:59:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:59:26,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:59:26,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:59:26,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:59:26,088 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:59:26,095 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:59:26,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:59:26,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:59:26,114 INFO L87 Difference]: Start difference. First operand 1128 states. Second operand 3 states. [2019-09-10 10:59:26,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:59:26,601 INFO L93 Difference]: Finished difference Result 1630 states and 2198 transitions. [2019-09-10 10:59:26,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:59:26,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-09-10 10:59:26,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:59:26,657 INFO L225 Difference]: With dead ends: 1630 [2019-09-10 10:59:26,658 INFO L226 Difference]: Without dead ends: 1607 [2019-09-10 10:59:26,660 INFO L628 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 [2019-09-10 10:59:26,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2019-09-10 10:59:26,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1607. [2019-09-10 10:59:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1607 states. [2019-09-10 10:59:26,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 2161 transitions. [2019-09-10 10:59:26,878 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 2161 transitions. Word has length 58 [2019-09-10 10:59:26,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:59:26,879 INFO L475 AbstractCegarLoop]: Abstraction has 1607 states and 2161 transitions. [2019-09-10 10:59:26,880 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:59:26,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2161 transitions. [2019-09-10 10:59:26,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-10 10:59:26,890 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:59:26,890 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:59:26,891 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:59:26,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:59:26,891 INFO L82 PathProgramCache]: Analyzing trace with hash 177219703, now seen corresponding path program 1 times [2019-09-10 10:59:26,891 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:59:26,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:59:26,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:59:26,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:59:26,902 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:59:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:59:27,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:59:27,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:59:27,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 10:59:27,240 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:59:27,242 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 10:59:27,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 10:59:27,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:59:27,243 INFO L87 Difference]: Start difference. First operand 1607 states and 2161 transitions. Second operand 6 states. [2019-09-10 10:59:28,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:59:28,779 INFO L93 Difference]: Finished difference Result 3198 states and 4351 transitions. [2019-09-10 10:59:28,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 10:59:28,780 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-09-10 10:59:28,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:59:28,802 INFO L225 Difference]: With dead ends: 3198 [2019-09-10 10:59:28,803 INFO L226 Difference]: Without dead ends: 3174 [2019-09-10 10:59:28,804 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 10:59:28,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2019-09-10 10:59:28,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 3174. [2019-09-10 10:59:28,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3174 states. [2019-09-10 10:59:28,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 4325 transitions. [2019-09-10 10:59:28,915 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 4325 transitions. Word has length 67 [2019-09-10 10:59:28,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:59:28,915 INFO L475 AbstractCegarLoop]: Abstraction has 3174 states and 4325 transitions. [2019-09-10 10:59:28,916 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 10:59:28,916 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 4325 transitions. [2019-09-10 10:59:28,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-09-10 10:59:28,931 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:59:28,931 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2019-09-10 10:59:28,932 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:59:28,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:59:28,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1822711262, now seen corresponding path program 1 times [2019-09-10 10:59:28,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:59:28,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:59:28,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:59:28,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:59:28,937 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:59:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:59:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 10:59:29,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:59:29,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 10:59:29,238 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:59:29,240 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 10:59:29,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 10:59:29,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:59:29,241 INFO L87 Difference]: Start difference. First operand 3174 states and 4325 transitions. Second operand 7 states. [2019-09-10 10:59:45,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:59:45,598 INFO L93 Difference]: Finished difference Result 9758 states and 13412 transitions. [2019-09-10 10:59:45,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 10:59:45,608 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2019-09-10 10:59:45,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:59:45,681 INFO L225 Difference]: With dead ends: 9758 [2019-09-10 10:59:45,681 INFO L226 Difference]: Without dead ends: 9758 [2019-09-10 10:59:45,682 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-09-10 10:59:45,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9758 states. [2019-09-10 10:59:46,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9758 to 9704. [2019-09-10 10:59:46,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9704 states. [2019-09-10 10:59:46,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9704 states to 9704 states and 13360 transitions. [2019-09-10 10:59:46,060 INFO L78 Accepts]: Start accepts. Automaton has 9704 states and 13360 transitions. Word has length 199 [2019-09-10 10:59:46,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:59:46,061 INFO L475 AbstractCegarLoop]: Abstraction has 9704 states and 13360 transitions. [2019-09-10 10:59:46,061 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 10:59:46,061 INFO L276 IsEmpty]: Start isEmpty. Operand 9704 states and 13360 transitions. [2019-09-10 10:59:46,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-09-10 10:59:46,099 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:59:46,099 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2019-09-10 10:59:46,100 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:59:46,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:59:46,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1367644856, now seen corresponding path program 1 times [2019-09-10 10:59:46,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:59:46,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:59:46,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:59:46,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:59:46,111 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:59:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:59:46,431 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 10:59:46,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:59:46,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 10:59:46,432 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:59:46,434 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 10:59:46,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 10:59:46,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:59:46,434 INFO L87 Difference]: Start difference. First operand 9704 states and 13360 transitions. Second operand 7 states. [2019-09-10 10:59:55,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:59:55,737 INFO L93 Difference]: Finished difference Result 29874 states and 41576 transitions. [2019-09-10 10:59:55,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 10:59:55,738 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 200 [2019-09-10 10:59:55,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:59:56,006 INFO L225 Difference]: With dead ends: 29874 [2019-09-10 10:59:56,007 INFO L226 Difference]: Without dead ends: 29874 [2019-09-10 10:59:56,007 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-09-10 10:59:56,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29874 states. [2019-09-10 10:59:57,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29874 to 29820. [2019-09-10 10:59:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29820 states. [2019-09-10 10:59:57,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29820 states to 29820 states and 41524 transitions. [2019-09-10 10:59:57,569 INFO L78 Accepts]: Start accepts. Automaton has 29820 states and 41524 transitions. Word has length 200 [2019-09-10 10:59:57,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:59:57,570 INFO L475 AbstractCegarLoop]: Abstraction has 29820 states and 41524 transitions. [2019-09-10 10:59:57,570 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 10:59:57,570 INFO L276 IsEmpty]: Start isEmpty. Operand 29820 states and 41524 transitions. [2019-09-10 10:59:57,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-09-10 10:59:57,637 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:59:57,638 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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] [2019-09-10 10:59:57,638 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:59:57,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:59:57,639 INFO L82 PathProgramCache]: Analyzing trace with hash 416319228, now seen corresponding path program 1 times [2019-09-10 10:59:57,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:59:57,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:59:57,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:59:57,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:59:57,646 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:59:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:59:58,078 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 10:59:58,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:59:58,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 10:59:58,079 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:59:58,080 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 10:59:58,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 10:59:58,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-09-10 10:59:58,081 INFO L87 Difference]: Start difference. First operand 29820 states and 41524 transitions. Second operand 7 states. [2019-09-10 11:00:10,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:00:10,742 INFO L93 Difference]: Finished difference Result 91694 states and 129452 transitions. [2019-09-10 11:00:10,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 11:00:10,743 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 198 [2019-09-10 11:00:10,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:00:11,255 INFO L225 Difference]: With dead ends: 91694 [2019-09-10 11:00:11,256 INFO L226 Difference]: Without dead ends: 91694 [2019-09-10 11:00:11,256 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-09-10 11:00:11,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91694 states. [2019-09-10 11:00:13,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91694 to 91640. [2019-09-10 11:00:13,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91640 states. [2019-09-10 11:00:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91640 states to 91640 states and 129400 transitions. [2019-09-10 11:00:14,017 INFO L78 Accepts]: Start accepts. Automaton has 91640 states and 129400 transitions. Word has length 198 [2019-09-10 11:00:14,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:00:14,017 INFO L475 AbstractCegarLoop]: Abstraction has 91640 states and 129400 transitions. [2019-09-10 11:00:14,017 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 11:00:14,018 INFO L276 IsEmpty]: Start isEmpty. Operand 91640 states and 129400 transitions. [2019-09-10 11:00:14,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-09-10 11:00:14,114 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:00:14,115 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 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] [2019-09-10 11:00:14,115 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:00:14,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:00:14,116 INFO L82 PathProgramCache]: Analyzing trace with hash 2005191952, now seen corresponding path program 1 times [2019-09-10 11:00:14,116 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:00:14,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:00:14,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:00:14,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:00:14,123 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:00:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:00:14,423 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-09-10 11:00:14,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:00:14,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 11:00:14,424 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:00:14,424 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 11:00:14,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 11:00:14,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:00:14,425 INFO L87 Difference]: Start difference. First operand 91640 states and 129400 transitions. Second operand 5 states. [2019-09-10 11:00:16,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:00:16,950 INFO L93 Difference]: Finished difference Result 92290 states and 130536 transitions. [2019-09-10 11:00:16,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 11:00:16,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 199 [2019-09-10 11:00:16,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:00:17,449 INFO L225 Difference]: With dead ends: 92290 [2019-09-10 11:00:17,450 INFO L226 Difference]: Without dead ends: 92290 [2019-09-10 11:00:17,450 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 11:00:17,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92290 states. [2019-09-10 11:00:19,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92290 to 92180. [2019-09-10 11:00:19,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92180 states. [2019-09-10 11:00:19,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92180 states to 92180 states and 130426 transitions. [2019-09-10 11:00:19,989 INFO L78 Accepts]: Start accepts. Automaton has 92180 states and 130426 transitions. Word has length 199 [2019-09-10 11:00:19,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:00:19,989 INFO L475 AbstractCegarLoop]: Abstraction has 92180 states and 130426 transitions. [2019-09-10 11:00:19,989 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 11:00:19,989 INFO L276 IsEmpty]: Start isEmpty. Operand 92180 states and 130426 transitions. [2019-09-10 11:00:20,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-09-10 11:00:20,049 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:00:20,050 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 11:00:20,050 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:00:20,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:00:20,050 INFO L82 PathProgramCache]: Analyzing trace with hash -744388340, now seen corresponding path program 1 times [2019-09-10 11:00:20,051 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:00:20,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:00:20,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:00:20,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:00:20,055 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:00:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:00:20,292 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 11:00:20,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:00:20,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 11:00:20,293 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:00:20,294 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 11:00:20,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 11:00:20,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-09-10 11:00:20,295 INFO L87 Difference]: Start difference. First operand 92180 states and 130426 transitions. Second operand 7 states. [2019-09-10 11:00:33,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:00:33,114 INFO L93 Difference]: Finished difference Result 283762 states and 408456 transitions. [2019-09-10 11:00:33,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 11:00:33,114 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2019-09-10 11:00:33,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:00:34,325 INFO L225 Difference]: With dead ends: 283762 [2019-09-10 11:00:34,326 INFO L226 Difference]: Without dead ends: 283762 [2019-09-10 11:00:34,326 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-09-10 11:00:34,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283762 states. [2019-09-10 11:00:38,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283762 to 283708. [2019-09-10 11:00:38,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283708 states. [2019-09-10 11:00:46,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283708 states to 283708 states and 408404 transitions. [2019-09-10 11:00:46,198 INFO L78 Accepts]: Start accepts. Automaton has 283708 states and 408404 transitions. Word has length 207 [2019-09-10 11:00:46,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:00:46,198 INFO L475 AbstractCegarLoop]: Abstraction has 283708 states and 408404 transitions. [2019-09-10 11:00:46,198 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 11:00:46,199 INFO L276 IsEmpty]: Start isEmpty. Operand 283708 states and 408404 transitions. [2019-09-10 11:00:46,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-09-10 11:00:46,293 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:00:46,293 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1] [2019-09-10 11:00:46,293 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:00:46,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:00:46,294 INFO L82 PathProgramCache]: Analyzing trace with hash -667416514, now seen corresponding path program 1 times [2019-09-10 11:00:46,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:00:46,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:00:46,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:00:46,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:00:46,303 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:00:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:00:46,674 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 11:00:46,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:00:46,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 11:00:46,675 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:00:46,676 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 11:00:46,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 11:00:46,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 11:00:46,677 INFO L87 Difference]: Start difference. First operand 283708 states and 408404 transitions. Second operand 8 states. [2019-09-10 11:00:48,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:00:48,087 INFO L93 Difference]: Finished difference Result 287596 states and 413168 transitions. [2019-09-10 11:00:48,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 11:00:48,088 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 205 [2019-09-10 11:00:48,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:00:55,092 INFO L225 Difference]: With dead ends: 287596 [2019-09-10 11:00:55,092 INFO L226 Difference]: Without dead ends: 287596 [2019-09-10 11:00:55,092 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-10 11:00:55,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287596 states. [2019-09-10 11:00:59,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287596 to 286624. [2019-09-10 11:00:59,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286624 states. [2019-09-10 11:01:00,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286624 states to 286624 states and 411644 transitions. [2019-09-10 11:01:00,360 INFO L78 Accepts]: Start accepts. Automaton has 286624 states and 411644 transitions. Word has length 205 [2019-09-10 11:01:00,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:01:00,361 INFO L475 AbstractCegarLoop]: Abstraction has 286624 states and 411644 transitions. [2019-09-10 11:01:00,361 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 11:01:00,361 INFO L276 IsEmpty]: Start isEmpty. Operand 286624 states and 411644 transitions. [2019-09-10 11:01:00,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-09-10 11:01:00,423 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:01:00,423 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1] [2019-09-10 11:01:00,423 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:01:00,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:01:00,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1361169596, now seen corresponding path program 1 times [2019-09-10 11:01:00,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:01:00,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:01:00,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:01:00,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:01:00,428 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:01:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:01:01,007 WARN L188 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2019-09-10 11:01:01,080 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 11:01:01,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:01:01,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 11:01:01,080 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:01:01,081 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 11:01:01,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 11:01:01,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 11:01:01,082 INFO L87 Difference]: Start difference. First operand 286624 states and 411644 transitions. Second operand 7 states. [2019-09-10 11:01:08,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:01:08,804 INFO L93 Difference]: Finished difference Result 288574 states and 413594 transitions. [2019-09-10 11:01:08,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 11:01:08,805 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 205 [2019-09-10 11:01:08,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:01:10,389 INFO L225 Difference]: With dead ends: 288574 [2019-09-10 11:01:10,389 INFO L226 Difference]: Without dead ends: 286949 [2019-09-10 11:01:10,390 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 11:01:10,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286949 states. [2019-09-10 11:01:14,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286949 to 286949. [2019-09-10 11:01:14,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286949 states. [2019-09-10 11:01:17,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286949 states to 286949 states and 411969 transitions. [2019-09-10 11:01:17,197 INFO L78 Accepts]: Start accepts. Automaton has 286949 states and 411969 transitions. Word has length 205 [2019-09-10 11:01:17,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:01:17,197 INFO L475 AbstractCegarLoop]: Abstraction has 286949 states and 411969 transitions. [2019-09-10 11:01:17,197 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 11:01:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 286949 states and 411969 transitions. [2019-09-10 11:01:17,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-09-10 11:01:17,245 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:01:17,246 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2019-09-10 11:01:17,246 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:01:17,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:01:17,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1053145799, now seen corresponding path program 1 times [2019-09-10 11:01:17,247 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:01:17,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:01:17,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:01:17,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:01:17,251 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:01:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:01:17,777 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-10 11:01:17,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 11:01:17,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 11:01:17,778 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:01:17,780 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 11:01:17,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 11:01:17,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 11:01:17,781 INFO L87 Difference]: Start difference. First operand 286949 states and 411969 transitions. Second operand 6 states. [2019-09-10 11:01:19,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:01:19,448 INFO L93 Difference]: Finished difference Result 287770 states and 412708 transitions. [2019-09-10 11:01:19,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 11:01:19,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 206 [2019-09-10 11:01:19,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:01:27,227 INFO L225 Difference]: With dead ends: 287770 [2019-09-10 11:01:27,227 INFO L226 Difference]: Without dead ends: 287770 [2019-09-10 11:01:27,228 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-09-10 11:01:27,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287770 states. [2019-09-10 11:01:30,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287770 to 287759. [2019-09-10 11:01:30,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287759 states. [2019-09-10 11:01:32,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287759 states to 287759 states and 412698 transitions. [2019-09-10 11:01:32,764 INFO L78 Accepts]: Start accepts. Automaton has 287759 states and 412698 transitions. Word has length 206 [2019-09-10 11:01:32,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:01:32,765 INFO L475 AbstractCegarLoop]: Abstraction has 287759 states and 412698 transitions. [2019-09-10 11:01:32,765 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 11:01:32,765 INFO L276 IsEmpty]: Start isEmpty. Operand 287759 states and 412698 transitions. [2019-09-10 11:01:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-09-10 11:01:32,808 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 11:01:32,809 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2019-09-10 11:01:32,809 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 11:01:32,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:01:32,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1653473595, now seen corresponding path program 1 times [2019-09-10 11:01:32,809 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 11:01:32,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:01:32,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 11:01:32,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 11:01:32,813 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 11:01:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 11:01:33,587 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-10 11:01:33,587 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 11:01:33,588 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 11:01:33,590 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2019-09-10 11:01:33,593 INFO L207 CegarAbsIntRunner]: [7], [9], [11], [13], [19], [22], [25], [31], [33], [36], [40], [42], [46], [50], [51], [53], [56], [58], [64], [65], [92], [93], [164], [165], [169], [171], [172], [179], [180], [340], [341], [378], [380], [384], [386], [387], [433], [434], [435], [436], [476], [479], [481], [494], [499], [500], [519], [521], [522], [523], [524], [525], [526], [571], [573], [575], [580], [582], [583], [605], [606], [769], [771], [772], [777], [779], [781], [783], [785], [1026], [1038], [1041], [1044], [1056], [1059], [1062], [1064], [1070], [1074], [1095], [1107], [1110], [1113], [1177], [1186], [1191], [1203], [1207], [1249], [1250], [1305], [1307], [1309], [1312], [1321], [1326], [1328], [1329], [1820], [1822], [1826], [1827], [2139], [2141], [2143], [2146], [2148], [2153], [2155], [2160], [2166], [2169], [2170], [2172], [2173], [2177], [2179], [2180], [2206], [2208], [2211], [2235], [2240], [2241], [2242], [2243], [2244], [2245], [2246], [2247], [2248], [2249], [2252], [2253], [2254], [2255], [2256], [2257], [2258], [2259], [2268], [2269], [2316], [2317], [2318], [2319], [2344], [2345], [2360], [2361], [2372], [2373], [2374], [2375], [2420], [2421], [2422], [2423], [2424], [2425], [2426], [2427], [2478], [2479], [2486], [2487], [2490], [2520], [2521], [2522], [2523], [2532], [2533], [2648], [2649], [2736], [2737], [2738], [2739], [2742], [2743], [2744], [2746], [2747], [2748], [2749], [2750], [2752], [2753], [2760], [2761] [2019-09-10 11:01:33,663 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 11:01:33,663 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 11:01:33,911 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 11:01:33,914 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 244 root evaluator evaluations with a maximum evaluation depth of 0. Performed 244 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 472 variables. [2019-09-10 11:01:33,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 11:01:33,921 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 11:01:34,105 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 11:01:34,106 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 11:01:34,119 INFO L420 sIntCurrentIteration]: We unified 205 AI predicates to 205 [2019-09-10 11:01:34,119 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 11:01:34,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 11:01:34,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [13] total 13 [2019-09-10 11:01:34,121 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 11:01:34,123 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 11:01:34,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 11:01:34,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:01:34,124 INFO L87 Difference]: Start difference. First operand 287759 states and 412698 transitions. Second operand 2 states. [2019-09-10 11:01:34,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 11:01:34,126 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 11:01:34,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 11:01:34,126 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 206 [2019-09-10 11:01:34,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 11:01:34,128 INFO L225 Difference]: With dead ends: 2 [2019-09-10 11:01:34,128 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 11:01:34,129 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 11:01:34,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 11:01:34,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 11:01:34,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 11:01:34,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 11:01:34,130 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 206 [2019-09-10 11:01:34,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 11:01:34,130 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 11:01:34,130 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 11:01:34,130 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 11:01:34,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 11:01:34,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 11:01:34 BoogieIcfgContainer [2019-09-10 11:01:34,138 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 11:01:34,141 INFO L168 Benchmark]: Toolchain (without parser) took 136637.28 ms. Allocated memory was 133.2 MB in the beginning and 3.4 GB in the end (delta: 3.2 GB). Free memory was 79.1 MB in the beginning and 1.1 GB in the end (delta: -980.6 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2019-09-10 11:01:34,144 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-10 11:01:34,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3026.85 ms. Allocated memory was 133.2 MB in the beginning and 264.8 MB in the end (delta: 131.6 MB). Free memory was 78.8 MB in the beginning and 180.5 MB in the end (delta: -101.6 MB). Peak memory consumption was 116.9 MB. Max. memory is 7.1 GB. [2019-09-10 11:01:34,148 INFO L168 Benchmark]: Boogie Preprocessor took 279.25 ms. Allocated memory is still 264.8 MB. Free memory was 180.5 MB in the beginning and 157.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-10 11:01:34,157 INFO L168 Benchmark]: RCFGBuilder took 4407.64 ms. Allocated memory was 264.8 MB in the beginning and 371.2 MB in the end (delta: 106.4 MB). Free memory was 157.6 MB in the beginning and 248.7 MB in the end (delta: -91.1 MB). Peak memory consumption was 213.1 MB. Max. memory is 7.1 GB. [2019-09-10 11:01:34,162 INFO L168 Benchmark]: TraceAbstraction took 128918.48 ms. Allocated memory was 371.2 MB in the beginning and 3.4 GB in the end (delta: 3.0 GB). Free memory was 248.7 MB in the beginning and 1.1 GB in the end (delta: -811.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2019-09-10 11:01:34,172 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 133.2 MB. Free memory was 107.7 MB in the beginning and 107.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3026.85 ms. Allocated memory was 133.2 MB in the beginning and 264.8 MB in the end (delta: 131.6 MB). Free memory was 78.8 MB in the beginning and 180.5 MB in the end (delta: -101.6 MB). Peak memory consumption was 116.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 279.25 ms. Allocated memory is still 264.8 MB. Free memory was 180.5 MB in the beginning and 157.6 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4407.64 ms. Allocated memory was 264.8 MB in the beginning and 371.2 MB in the end (delta: 106.4 MB). Free memory was 157.6 MB in the beginning and 248.7 MB in the end (delta: -91.1 MB). Peak memory consumption was 213.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 128918.48 ms. Allocated memory was 371.2 MB in the beginning and 3.4 GB in the end (delta: 3.0 GB). Free memory was 248.7 MB in the beginning and 1.1 GB in the end (delta: -811.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5782]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 167 procedures, 1285 locations, 1 error locations. SAFE Result, 128.8s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 85.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11317 SDtfs, 19790 SDslu, 31798 SDs, 0 SdLazy, 15701 SolverSat, 6995 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 41.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 306 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287759occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.6926829268292685 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 37.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 1309 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1950 NumberOfCodeBlocks, 1950 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1939 ConstructedInterpolants, 0 QuantifiedInterpolants, 503335 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 309/313 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...