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 0.1.24-673a906-m [2019-10-03 00:50:09,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 00:50:09,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 00:50:09,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 00:50:09,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 00:50:09,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 00:50:09,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 00:50:09,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 00:50:09,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 00:50:09,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 00:50:09,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 00:50:09,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 00:50:09,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 00:50:09,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 00:50:09,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 00:50:09,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 00:50:09,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 00:50:09,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 00:50:09,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 00:50:09,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 00:50:09,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 00:50:09,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 00:50:09,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 00:50:09,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 00:50:09,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 00:50:09,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 00:50:09,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 00:50:09,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 00:50:09,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 00:50:09,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 00:50:09,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 00:50:09,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 00:50:09,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 00:50:09,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 00:50:09,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 00:50:09,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 00:50:09,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 00:50:09,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 00:50:09,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 00:50:09,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 00:50:09,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 00:50:09,779 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 [2019-10-03 00:50:09,793 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 00:50:09,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 00:50:09,794 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 00:50:09,794 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 00:50:09,795 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 00:50:09,795 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 00:50:09,795 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 00:50:09,795 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 00:50:09,796 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 00:50:09,796 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 00:50:09,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 00:50:09,797 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 00:50:09,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 00:50:09,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 00:50:09,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 00:50:09,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 00:50:09,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 00:50:09,798 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 00:50:09,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 00:50:09,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 00:50:09,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 00:50:09,798 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 00:50:09,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 00:50:09,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:50:09,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 00:50:09,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 00:50:09,799 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 00:50:09,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 00:50:09,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 00:50:09,800 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 00:50:09,827 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 00:50:09,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 00:50:09,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 00:50:09,845 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 00:50:09,845 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 00:50:09,846 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2019-10-03 00:50:09,915 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0acf209f/399a81ab2c1644e788173d0a230d749c/FLAG9c1899a9d [2019-10-03 00:50:10,788 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 00:50:10,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--can--can-dev.ko-entry_point.cil.out.i [2019-10-03 00:50:10,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0acf209f/399a81ab2c1644e788173d0a230d749c/FLAG9c1899a9d [2019-10-03 00:50:11,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0acf209f/399a81ab2c1644e788173d0a230d749c [2019-10-03 00:50:11,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 00:50:11,289 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 00:50:11,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 00:50:11,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 00:50:11,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 00:50:11,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:50:11" (1/1) ... [2019-10-03 00:50:11,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d55f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:50:11, skipping insertion in model container [2019-10-03 00:50:11,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:50:11" (1/1) ... [2019-10-03 00:50:11,304 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 00:50:11,448 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 00:50:13,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:50:13,483 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 00:50:13,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:50:14,303 INFO L192 MainTranslator]: Completed translation [2019-10-03 00:50:14,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:50:14 WrapperNode [2019-10-03 00:50:14,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 00:50:14,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 00:50:14,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 00:50:14,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 00:50:14,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:50:14" (1/1) ... [2019-10-03 00:50:14,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:50:14" (1/1) ... [2019-10-03 00:50:14,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:50:14" (1/1) ... [2019-10-03 00:50:14,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:50:14" (1/1) ... [2019-10-03 00:50:14,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:50:14" (1/1) ... [2019-10-03 00:50:14,595 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:50:14" (1/1) ... [2019-10-03 00:50:14,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:50:14" (1/1) ... [2019-10-03 00:50:14,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 00:50:14,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 00:50:14,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 00:50:14,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 00:50:14,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:50:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:50:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 00:50:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 00:50:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-03 00:50:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-03 00:50:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-03 00:50:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-03 00:50:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-03 00:50:14,758 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-10-03 00:50:14,758 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-03 00:50:14,758 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-03 00:50:14,758 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_shared [2019-10-03 00:50:14,758 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-03 00:50:14,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 00:50:14,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 00:50:14,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 00:50:14,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 00:50:14,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 00:50:14,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 00:50:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 00:50:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 00:50:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 00:50:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-03 00:50:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2019-10-03 00:50:14,760 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_attr_size [2019-10-03 00:50:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_total_size [2019-10-03 00:50:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2019-10-03 00:50:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2019-10-03 00:50:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2019-10-03 00:50:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2019-10-03 00:50:14,761 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2019-10-03 00:50:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_prv [2019-10-03 00:50:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_reserve [2019-10-03 00:50:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_destructor [2019-10-03 00:50:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure can_skb_set_owner [2019-10-03 00:50:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure can_create_echo_skb [2019-10-03 00:50:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dlc2len [2019-10-03 00:50:14,762 INFO L138 BoogieDeclarations]: Found implementation of procedure can_len2dlc [2019-10-03 00:50:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure can_update_spt [2019-10-03 00:50:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure can_calc_bittiming [2019-10-03 00:50:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fixup_bittiming [2019-10-03 00:50:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_bittiming [2019-10-03 00:50:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure can_flush_echo_skb [2019-10-03 00:50:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure can_put_echo_skb [2019-10-03 00:50:14,763 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_echo_skb [2019-10-03 00:50:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure can_free_echo_skb [2019-10-03 00:50:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart [2019-10-03 00:50:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure can_restart_now [2019-10-03 00:50:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure can_bus_off [2019-10-03 00:50:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure can_setup [2019-10-03 00:50:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_skb [2019-10-03 00:50:14,764 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_canfd_skb [2019-10-03 00:50:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_can_err_skb [2019-10-03 00:50:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_candev [2019-10-03 00:50:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2019-10-03 00:50:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure can_change_mtu [2019-10-03 00:50:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure open_candev [2019-10-03 00:50:14,765 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2019-10-03 00:50:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure can_changelink [2019-10-03 00:50:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_size [2019-10-03 00:50:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_info [2019-10-03 00:50:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure can_get_xstats_size [2019-10-03 00:50:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fill_xstats [2019-10-03 00:50:14,766 INFO L138 BoogieDeclarations]: Found implementation of procedure can_newlink [2019-10-03 00:50:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure register_candev [2019-10-03 00:50:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_candev [2019-10-03 00:50:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_candev_priv [2019-10-03 00:50:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_init [2019-10-03 00:50:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure can_dev_exit [2019-10-03 00:50:14,767 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-03 00:50:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-03 00:50:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-03 00:50:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-03 00:50:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-03 00:50:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-03 00:50:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-03 00:50:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-03 00:50:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-03 00:50:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-03 00:50:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-03 00:50:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_rtnl_link_ops_4 [2019-10-03 00:50:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 00:50:14,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-03 00:50:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-03 00:50:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-03 00:50:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-03 00:50:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-03 00:50:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_12 [2019-10-03 00:50:14,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_14 [2019-10-03 00:50:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_15 [2019-10-03 00:50:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_16 [2019-10-03 00:50:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_17 [2019-10-03 00:50:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_18 [2019-10-03 00:50:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_19 [2019-10-03 00:50:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_20 [2019-10-03 00:50:14,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_21 [2019-10-03 00:50:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_22 [2019-10-03 00:50:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23 [2019-10-03 00:50:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2019-10-03 00:50:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb_25 [2019-10-03 00:50:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_27 [2019-10-03 00:50:14,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_notifier_info_to_dev [2019-10-03 00:50:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_event [2019-10-03 00:50:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_release [2019-10-03 00:50:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_can_led_init [2019-10-03 00:50:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier [2019-10-03 00:50:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_init [2019-10-03 00:50:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure can_led_notifier_exit [2019-10-03 00:50:14,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_3 [2019-10-03 00:50:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_35 [2019-10-03 00:50:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_36 [2019-10-03 00:50:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_37 [2019-10-03 00:50:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_38 [2019-10-03 00:50:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_41 [2019-10-03 00:50:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_42 [2019-10-03 00:50:14,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-03 00:50:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-03 00:50:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-03 00:50:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-03 00:50:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-03 00:50:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 00:50:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 00:50:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 00:50:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 00:50:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-03 00:50:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 00:50:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-03 00:50:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-03 00:50:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-03 00:50:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-03 00:50:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-03 00:50:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 00:50:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __devres_alloc [2019-10-03 00:50:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-10-03 00:50:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-03 00:50:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-03 00:50:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure devres_add [2019-10-03 00:50:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2019-10-03 00:50:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-03 00:50:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_4 [2019-10-03 00:50:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2019-10-03 00:50:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_blink_oneshot [2019-10-03 00:50:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_event [2019-10-03 00:50:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_register_simple [2019-10-03 00:50:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_rename_static [2019-10-03 00:50:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure led_trigger_unregister_simple [2019-10-03 00:50:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-03 00:50:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2019-10-03 00:50:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2019-10-03 00:50:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-10-03 00:50:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-10-03 00:50:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2019-10-03 00:50:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 00:50:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-03 00:50:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice_notifier [2019-10-03 00:50:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2019-10-03 00:50:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_register [2019-10-03 00:50:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2019-10-03 00:50:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_free [2019-10-03 00:50:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2019-10-03 00:50:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-03 00:50:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-03 00:50:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2019-10-03 00:50:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 00:50:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 00:50:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 00:50:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 00:50:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 00:50:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 00:50:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 00:50:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-03 00:50:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 00:50:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 00:50:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2019-10-03 00:50:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-10-03 00:50:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 00:50:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 00:50:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-10-03 00:50:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-03 00:50:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-03 00:50:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-03 00:50:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23 [2019-10-03 00:50:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2019-10-03 00:50:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-03 00:50:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_27 [2019-10-03 00:50:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-03 00:50:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-03 00:50:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-03 00:50:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-03 00:50:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_12 [2019-10-03 00:50:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_14 [2019-10-03 00:50:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_16 [2019-10-03 00:50:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_17 [2019-10-03 00:50:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_18 [2019-10-03 00:50:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_19 [2019-10-03 00:50:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_21 [2019-10-03 00:50:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-03 00:50:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_15 [2019-10-03 00:50:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2019-10-03 00:50:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure skb_shared [2019-10-03 00:50:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-03 00:50:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-03 00:50:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 00:50:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 00:50:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 00:50:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb_25 [2019-10-03 00:50:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-03 00:50:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-03 00:50:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-03 00:50:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 00:50:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 00:50:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 00:50:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 00:50:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 00:50:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 00:50:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 00:50:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 00:50:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 00:50:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 00:50:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 00:50:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 00:50:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 00:50:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 00:50:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 00:50:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 00:50:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-03 00:50:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-03 00:50:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-03 00:50:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-03 00:50:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-03 00:50:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-03 00:50:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-03 00:50:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-03 00:50:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-03 00:50:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-03 00:50:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-03 00:50:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_rtnl_link_ops_4 [2019-10-03 00:50:14,791 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-03 00:50:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-03 00:50:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_20 [2019-10-03 00:50:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_22 [2019-10-03 00:50:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2019-10-03 00:50:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-10-03 00:50:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-10-03 00:50:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-03 00:50:14,792 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-03 00:50:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-03 00:50:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2019-10-03 00:50:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2019-10-03 00:50:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_init [2019-10-03 00:50:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier_exit [2019-10-03 00:50:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure can_dlc2len [2019-10-03 00:50:14,793 INFO L130 BoogieDeclarations]: Found specification of procedure can_len2dlc [2019-10-03 00:50:14,794 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_candev [2019-10-03 00:50:14,794 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2019-10-03 00:50:14,794 INFO L130 BoogieDeclarations]: Found specification of procedure safe_candev_priv [2019-10-03 00:50:14,794 INFO L130 BoogieDeclarations]: Found specification of procedure open_candev [2019-10-03 00:50:14,794 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2019-10-03 00:50:14,794 INFO L130 BoogieDeclarations]: Found specification of procedure can_change_mtu [2019-10-03 00:50:14,794 INFO L130 BoogieDeclarations]: Found specification of procedure register_candev [2019-10-03 00:50:14,794 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_candev [2019-10-03 00:50:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart_now [2019-10-03 00:50:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure can_bus_off [2019-10-03 00:50:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure can_put_echo_skb [2019-10-03 00:50:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_echo_skb [2019-10-03 00:50:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure can_free_echo_skb [2019-10-03 00:50:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_skb [2019-10-03 00:50:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_canfd_skb [2019-10-03 00:50:14,795 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_can_err_skb [2019-10-03 00:50:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2019-10-03 00:50:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2019-10-03 00:50:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure nla_attr_size [2019-10-03 00:50:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure nla_total_size [2019-10-03 00:50:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2019-10-03 00:50:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2019-10-03 00:50:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 00:50:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 00:50:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2019-10-03 00:50:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_register [2019-10-03 00:50:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2019-10-03 00:50:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2019-10-03 00:50:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure sk_free [2019-10-03 00:50:14,797 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2019-10-03 00:50:14,798 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_prv [2019-10-03 00:50:14,798 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_reserve [2019-10-03 00:50:14,798 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_destructor [2019-10-03 00:50:14,798 INFO L130 BoogieDeclarations]: Found specification of procedure can_skb_set_owner [2019-10-03 00:50:14,798 INFO L130 BoogieDeclarations]: Found specification of procedure can_create_echo_skb [2019-10-03 00:50:14,798 INFO L130 BoogieDeclarations]: Found specification of procedure can_update_spt [2019-10-03 00:50:14,798 INFO L130 BoogieDeclarations]: Found specification of procedure can_calc_bittiming [2019-10-03 00:50:14,798 INFO L130 BoogieDeclarations]: Found specification of procedure can_fixup_bittiming [2019-10-03 00:50:14,799 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_bittiming [2019-10-03 00:50:14,799 INFO L130 BoogieDeclarations]: Found specification of procedure can_flush_echo_skb [2019-10-03 00:50:14,799 INFO L130 BoogieDeclarations]: Found specification of procedure can_restart [2019-10-03 00:50:14,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-03 00:50:14,799 INFO L130 BoogieDeclarations]: Found specification of procedure can_setup [2019-10-03 00:50:14,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 00:50:14,799 INFO L130 BoogieDeclarations]: Found specification of procedure can_changelink [2019-10-03 00:50:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 00:50:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-03 00:50:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_size [2019-10-03 00:50:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_info [2019-10-03 00:50:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-03 00:50:14,800 INFO L130 BoogieDeclarations]: Found specification of procedure can_get_xstats_size [2019-10-03 00:50:14,801 INFO L130 BoogieDeclarations]: Found specification of procedure can_fill_xstats [2019-10-03 00:50:14,801 INFO L130 BoogieDeclarations]: Found specification of procedure can_newlink [2019-10-03 00:50:14,801 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_init [2019-10-03 00:50:14,801 INFO L130 BoogieDeclarations]: Found specification of procedure can_dev_exit [2019-10-03 00:50:14,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2019-10-03 00:50:14,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 00:50:14,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 00:50:14,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_4 [2019-10-03 00:50:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-03 00:50:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_3 [2019-10-03 00:50:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 00:50:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-03 00:50:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure __devres_alloc [2019-10-03 00:50:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure devres_add [2019-10-03 00:50:14,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_36 [2019-10-03 00:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_37 [2019-10-03 00:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_38 [2019-10-03 00:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_41 [2019-10-03 00:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_42 [2019-10-03 00:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_35 [2019-10-03 00:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice_notifier [2019-10-03 00:50:14,803 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2019-10-03 00:50:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_notifier_info_to_dev [2019-10-03 00:50:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_register_simple [2019-10-03 00:50:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_unregister_simple [2019-10-03 00:50:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_event [2019-10-03 00:50:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_blink_oneshot [2019-10-03 00:50:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure led_trigger_rename_static [2019-10-03 00:50:14,804 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_event [2019-10-03 00:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure devm_can_led_init [2019-10-03 00:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_release [2019-10-03 00:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure can_led_notifier [2019-10-03 00:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-03 00:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-03 00:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-03 00:50:14,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-03 00:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-03 00:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 00:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 00:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 00:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 00:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-03 00:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-03 00:50:14,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-03 00:50:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 00:50:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 00:50:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 00:50:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 00:50:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 00:50:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 00:50:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 00:50:14,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 00:50:14,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 00:50:14,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 00:50:14,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 00:50:16,160 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 00:50:19,402 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 00:50:19,403 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 00:50:19,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:50:19 BoogieIcfgContainer [2019-10-03 00:50:19,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 00:50:19,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 00:50:19,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 00:50:19,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 00:50:19,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 12:50:11" (1/3) ... [2019-10-03 00:50:19,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6b454c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:50:19, skipping insertion in model container [2019-10-03 00:50:19,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:50:14" (2/3) ... [2019-10-03 00:50:19,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6b454c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:50:19, skipping insertion in model container [2019-10-03 00:50:19,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:50:19" (3/3) ... [2019-10-03 00:50:19,413 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 [2019-10-03 00:50:19,424 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 00:50:19,437 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 00:50:19,455 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 00:50:19,486 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 00:50:19,487 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 00:50:19,487 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 00:50:19,487 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 00:50:19,487 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 00:50:19,487 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 00:50:19,488 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 00:50:19,488 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 00:50:19,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states. [2019-10-03 00:50:19,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-03 00:50:19,561 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:50:19,562 INFO L411 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] [2019-10-03 00:50:19,565 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:50:19,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:50:19,570 INFO L82 PathProgramCache]: Analyzing trace with hash -938639197, now seen corresponding path program 1 times [2019-10-03 00:50:19,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:50:19,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:50:19,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:50:19,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:50:19,666 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:50:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:50:20,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 00:50:20,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:50:20,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:50:20,334 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:50:20,341 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:50:20,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:50:20,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:50:20,361 INFO L87 Difference]: Start difference. First operand 1128 states. Second operand 3 states. [2019-10-03 00:50:20,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:50:20,834 INFO L93 Difference]: Finished difference Result 1630 states and 2198 transitions. [2019-10-03 00:50:20,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:50:20,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-10-03 00:50:20,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:50:20,879 INFO L225 Difference]: With dead ends: 1630 [2019-10-03 00:50:20,879 INFO L226 Difference]: Without dead ends: 1607 [2019-10-03 00:50:20,881 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:50:20,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2019-10-03 00:50:21,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1607. [2019-10-03 00:50:21,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1607 states. [2019-10-03 00:50:21,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 2161 transitions. [2019-10-03 00:50:21,058 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 2161 transitions. Word has length 58 [2019-10-03 00:50:21,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:50:21,059 INFO L475 AbstractCegarLoop]: Abstraction has 1607 states and 2161 transitions. [2019-10-03 00:50:21,059 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:50:21,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2161 transitions. [2019-10-03 00:50:21,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-03 00:50:21,066 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:50:21,066 INFO L411 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] [2019-10-03 00:50:21,066 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:50:21,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:50:21,067 INFO L82 PathProgramCache]: Analyzing trace with hash 177219703, now seen corresponding path program 1 times [2019-10-03 00:50:21,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:50:21,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:50:21,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:50:21,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:50:21,081 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:50:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:50:21,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 00:50:21,507 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:50:21,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:50:21,508 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:50:21,518 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:50:21,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:50:21,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:50:21,519 INFO L87 Difference]: Start difference. First operand 1607 states and 2161 transitions. Second operand 6 states. [2019-10-03 00:50:23,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:50:23,022 INFO L93 Difference]: Finished difference Result 3198 states and 4351 transitions. [2019-10-03 00:50:23,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 00:50:23,022 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-10-03 00:50:23,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:50:23,055 INFO L225 Difference]: With dead ends: 3198 [2019-10-03 00:50:23,055 INFO L226 Difference]: Without dead ends: 3174 [2019-10-03 00:50:23,056 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-03 00:50:23,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2019-10-03 00:50:23,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 3174. [2019-10-03 00:50:23,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3174 states. [2019-10-03 00:50:23,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 4325 transitions. [2019-10-03 00:50:23,220 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 4325 transitions. Word has length 67 [2019-10-03 00:50:23,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:50:23,222 INFO L475 AbstractCegarLoop]: Abstraction has 3174 states and 4325 transitions. [2019-10-03 00:50:23,222 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:50:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 4325 transitions. [2019-10-03 00:50:23,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-10-03 00:50:23,246 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:50:23,247 INFO L411 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] [2019-10-03 00:50:23,247 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:50:23,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:50:23,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1070293982, now seen corresponding path program 1 times [2019-10-03 00:50:23,248 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:50:23,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:50:23,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:50:23,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:50:23,263 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:50:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:50:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-03 00:50:23,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:50:23,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 00:50:23,673 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:50:23,675 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 00:50:23,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 00:50:23,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-03 00:50:23,677 INFO L87 Difference]: Start difference. First operand 3174 states and 4325 transitions. Second operand 7 states. [2019-10-03 00:50:35,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:50:35,797 INFO L93 Difference]: Finished difference Result 9762 states and 13424 transitions. [2019-10-03 00:50:35,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 00:50:35,798 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 201 [2019-10-03 00:50:35,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:50:35,868 INFO L225 Difference]: With dead ends: 9762 [2019-10-03 00:50:35,868 INFO L226 Difference]: Without dead ends: 9762 [2019-10-03 00:50:35,870 INFO L640 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 [2019-10-03 00:50:35,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9762 states. [2019-10-03 00:50:36,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9762 to 9708. [2019-10-03 00:50:36,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9708 states. [2019-10-03 00:50:36,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9708 states to 9708 states and 13372 transitions. [2019-10-03 00:50:36,272 INFO L78 Accepts]: Start accepts. Automaton has 9708 states and 13372 transitions. Word has length 201 [2019-10-03 00:50:36,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:50:36,272 INFO L475 AbstractCegarLoop]: Abstraction has 9708 states and 13372 transitions. [2019-10-03 00:50:36,272 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 00:50:36,273 INFO L276 IsEmpty]: Start isEmpty. Operand 9708 states and 13372 transitions. [2019-10-03 00:50:36,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-03 00:50:36,300 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:50:36,300 INFO L411 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] [2019-10-03 00:50:36,301 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:50:36,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:50:36,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1367644856, now seen corresponding path program 1 times [2019-10-03 00:50:36,302 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:50:36,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:50:36,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:50:36,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:50:36,312 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:50:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:50:36,591 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-03 00:50:36,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:50:36,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 00:50:36,592 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:50:36,593 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 00:50:36,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 00:50:36,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-03 00:50:36,594 INFO L87 Difference]: Start difference. First operand 9708 states and 13372 transitions. Second operand 7 states. [2019-10-03 00:50:50,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:50:50,087 INFO L93 Difference]: Finished difference Result 29454 states and 40964 transitions. [2019-10-03 00:50:50,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 00:50:50,088 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 200 [2019-10-03 00:50:50,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:50:50,266 INFO L225 Difference]: With dead ends: 29454 [2019-10-03 00:50:50,266 INFO L226 Difference]: Without dead ends: 29454 [2019-10-03 00:50:50,267 INFO L640 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 [2019-10-03 00:50:50,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29454 states. [2019-10-03 00:50:51,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29454 to 29340. [2019-10-03 00:50:51,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29340 states. [2019-10-03 00:50:51,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29340 states to 29340 states and 40816 transitions. [2019-10-03 00:50:51,224 INFO L78 Accepts]: Start accepts. Automaton has 29340 states and 40816 transitions. Word has length 200 [2019-10-03 00:50:51,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:50:51,225 INFO L475 AbstractCegarLoop]: Abstraction has 29340 states and 40816 transitions. [2019-10-03 00:50:51,225 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 00:50:51,225 INFO L276 IsEmpty]: Start isEmpty. Operand 29340 states and 40816 transitions. [2019-10-03 00:50:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-03 00:50:52,295 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:50:52,296 INFO L411 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] [2019-10-03 00:50:52,296 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:50:52,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:50:52,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1822711262, now seen corresponding path program 1 times [2019-10-03 00:50:52,297 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:50:52,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:50:52,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:50:52,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:50:52,309 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:50:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:50:52,588 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-03 00:50:52,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:50:52,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 00:50:52,589 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:50:52,589 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 00:50:52,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 00:50:52,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-03 00:50:52,590 INFO L87 Difference]: Start difference. First operand 29340 states and 40816 transitions. Second operand 7 states. [2019-10-03 00:51:08,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:51:08,647 INFO L93 Difference]: Finished difference Result 90422 states and 127588 transitions. [2019-10-03 00:51:08,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 00:51:08,647 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 199 [2019-10-03 00:51:08,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:51:09,101 INFO L225 Difference]: With dead ends: 90422 [2019-10-03 00:51:09,101 INFO L226 Difference]: Without dead ends: 90422 [2019-10-03 00:51:09,102 INFO L640 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 [2019-10-03 00:51:09,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90422 states. [2019-10-03 00:51:11,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90422 to 90368. [2019-10-03 00:51:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90368 states. [2019-10-03 00:51:11,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90368 states to 90368 states and 127536 transitions. [2019-10-03 00:51:11,601 INFO L78 Accepts]: Start accepts. Automaton has 90368 states and 127536 transitions. Word has length 199 [2019-10-03 00:51:11,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:51:11,601 INFO L475 AbstractCegarLoop]: Abstraction has 90368 states and 127536 transitions. [2019-10-03 00:51:11,601 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 00:51:11,601 INFO L276 IsEmpty]: Start isEmpty. Operand 90368 states and 127536 transitions. [2019-10-03 00:51:11,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-03 00:51:11,668 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:51:11,668 INFO L411 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] [2019-10-03 00:51:11,668 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:51:11,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:51:11,669 INFO L82 PathProgramCache]: Analyzing trace with hash 2005191952, now seen corresponding path program 1 times [2019-10-03 00:51:11,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:51:11,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:51:11,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:51:11,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:51:11,679 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:51:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:51:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-03 00:51:11,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:51:11,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:51:11,927 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:51:11,928 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:51:11,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:51:11,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:51:11,929 INFO L87 Difference]: Start difference. First operand 90368 states and 127536 transitions. Second operand 5 states. [2019-10-03 00:51:14,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:51:14,774 INFO L93 Difference]: Finished difference Result 91018 states and 128672 transitions. [2019-10-03 00:51:14,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 00:51:14,775 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 199 [2019-10-03 00:51:14,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:51:15,125 INFO L225 Difference]: With dead ends: 91018 [2019-10-03 00:51:15,125 INFO L226 Difference]: Without dead ends: 91018 [2019-10-03 00:51:15,126 INFO L640 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 [2019-10-03 00:51:15,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91018 states. [2019-10-03 00:51:16,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91018 to 90908. [2019-10-03 00:51:16,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90908 states. [2019-10-03 00:51:16,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90908 states to 90908 states and 128562 transitions. [2019-10-03 00:51:16,933 INFO L78 Accepts]: Start accepts. Automaton has 90908 states and 128562 transitions. Word has length 199 [2019-10-03 00:51:16,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:51:16,934 INFO L475 AbstractCegarLoop]: Abstraction has 90908 states and 128562 transitions. [2019-10-03 00:51:16,934 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:51:16,934 INFO L276 IsEmpty]: Start isEmpty. Operand 90908 states and 128562 transitions. [2019-10-03 00:51:16,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-03 00:51:16,973 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:51:16,973 INFO L411 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] [2019-10-03 00:51:16,973 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:51:16,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:51:16,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1216773846, now seen corresponding path program 1 times [2019-10-03 00:51:16,974 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:51:16,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:51:16,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:51:16,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:51:16,983 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:51:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:51:17,237 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-03 00:51:17,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:51:17,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 00:51:17,238 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:51:17,239 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 00:51:17,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 00:51:17,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-03 00:51:17,240 INFO L87 Difference]: Start difference. First operand 90908 states and 128562 transitions. Second operand 7 states. [2019-10-03 00:51:38,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:51:38,595 INFO L93 Difference]: Finished difference Result 279262 states and 401724 transitions. [2019-10-03 00:51:38,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 00:51:38,596 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 204 [2019-10-03 00:51:38,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:51:39,537 INFO L225 Difference]: With dead ends: 279262 [2019-10-03 00:51:39,538 INFO L226 Difference]: Without dead ends: 279262 [2019-10-03 00:51:39,538 INFO L640 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 [2019-10-03 00:51:39,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279262 states. [2019-10-03 00:51:46,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279262 to 279208. [2019-10-03 00:51:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279208 states. [2019-10-03 00:51:53,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279208 states to 279208 states and 401672 transitions. [2019-10-03 00:51:53,571 INFO L78 Accepts]: Start accepts. Automaton has 279208 states and 401672 transitions. Word has length 204 [2019-10-03 00:51:53,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:51:53,571 INFO L475 AbstractCegarLoop]: Abstraction has 279208 states and 401672 transitions. [2019-10-03 00:51:53,571 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 00:51:53,571 INFO L276 IsEmpty]: Start isEmpty. Operand 279208 states and 401672 transitions. [2019-10-03 00:51:53,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-03 00:51:53,619 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:51:53,619 INFO L411 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] [2019-10-03 00:51:53,620 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:51:53,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:51:53,621 INFO L82 PathProgramCache]: Analyzing trace with hash -667416514, now seen corresponding path program 1 times [2019-10-03 00:51:53,621 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:51:53,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:51:53,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:51:53,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:51:53,630 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:51:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:51:53,938 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-10-03 00:51:53,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:51:53,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 00:51:53,939 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:51:53,939 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 00:51:53,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 00:51:53,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 00:51:53,940 INFO L87 Difference]: Start difference. First operand 279208 states and 401672 transitions. Second operand 8 states. [2019-10-03 00:51:55,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:51:55,339 INFO L93 Difference]: Finished difference Result 283096 states and 406436 transitions. [2019-10-03 00:51:55,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 00:51:55,339 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 205 [2019-10-03 00:51:55,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:51:56,347 INFO L225 Difference]: With dead ends: 283096 [2019-10-03 00:51:56,347 INFO L226 Difference]: Without dead ends: 283096 [2019-10-03 00:51:56,348 INFO L640 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 [2019-10-03 00:51:56,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283096 states. [2019-10-03 00:52:06,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283096 to 282124. [2019-10-03 00:52:06,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282124 states. [2019-10-03 00:52:08,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282124 states to 282124 states and 404912 transitions. [2019-10-03 00:52:08,465 INFO L78 Accepts]: Start accepts. Automaton has 282124 states and 404912 transitions. Word has length 205 [2019-10-03 00:52:08,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:52:08,466 INFO L475 AbstractCegarLoop]: Abstraction has 282124 states and 404912 transitions. [2019-10-03 00:52:08,466 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 00:52:08,466 INFO L276 IsEmpty]: Start isEmpty. Operand 282124 states and 404912 transitions. [2019-10-03 00:52:08,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-03 00:52:08,524 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:52:08,524 INFO L411 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] [2019-10-03 00:52:08,524 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:52:08,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:52:08,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1361169596, now seen corresponding path program 1 times [2019-10-03 00:52:08,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:52:08,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:52:08,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:52:08,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:52:08,534 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:52:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:52:09,050 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2019-10-03 00:52:09,156 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 00:52:09,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:52:09,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 00:52:09,157 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:52:09,157 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 00:52:09,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 00:52:09,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-03 00:52:09,158 INFO L87 Difference]: Start difference. First operand 282124 states and 404912 transitions. Second operand 7 states. [2019-10-03 00:52:10,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:52:10,890 INFO L93 Difference]: Finished difference Result 284074 states and 406862 transitions. [2019-10-03 00:52:10,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:52:10,890 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 205 [2019-10-03 00:52:10,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:52:12,281 INFO L225 Difference]: With dead ends: 284074 [2019-10-03 00:52:12,282 INFO L226 Difference]: Without dead ends: 282449 [2019-10-03 00:52:12,282 INFO L640 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 [2019-10-03 00:52:12,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282449 states. [2019-10-03 00:52:23,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282449 to 282449. [2019-10-03 00:52:23,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282449 states. [2019-10-03 00:52:24,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282449 states to 282449 states and 405237 transitions. [2019-10-03 00:52:24,337 INFO L78 Accepts]: Start accepts. Automaton has 282449 states and 405237 transitions. Word has length 205 [2019-10-03 00:52:24,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:52:24,338 INFO L475 AbstractCegarLoop]: Abstraction has 282449 states and 405237 transitions. [2019-10-03 00:52:24,338 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 00:52:24,338 INFO L276 IsEmpty]: Start isEmpty. Operand 282449 states and 405237 transitions. [2019-10-03 00:52:24,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-03 00:52:24,381 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:52:24,381 INFO L411 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] [2019-10-03 00:52:24,381 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:52:24,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:52:24,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1053145799, now seen corresponding path program 1 times [2019-10-03 00:52:24,382 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:52:24,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:52:24,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:52:24,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:52:24,390 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:52:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:52:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-03 00:52:24,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:52:24,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:52:24,922 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:52:24,923 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:52:24,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:52:24,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:52:24,924 INFO L87 Difference]: Start difference. First operand 282449 states and 405237 transitions. Second operand 6 states. [2019-10-03 00:52:27,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:52:27,998 INFO L93 Difference]: Finished difference Result 283270 states and 405976 transitions. [2019-10-03 00:52:27,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:52:27,999 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 206 [2019-10-03 00:52:27,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:52:28,943 INFO L225 Difference]: With dead ends: 283270 [2019-10-03 00:52:28,943 INFO L226 Difference]: Without dead ends: 283270 [2019-10-03 00:52:28,944 INFO L640 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 [2019-10-03 00:52:29,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283270 states. [2019-10-03 00:52:39,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283270 to 283259. [2019-10-03 00:52:39,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283259 states. [2019-10-03 00:52:41,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283259 states to 283259 states and 405966 transitions. [2019-10-03 00:52:41,039 INFO L78 Accepts]: Start accepts. Automaton has 283259 states and 405966 transitions. Word has length 206 [2019-10-03 00:52:41,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:52:41,039 INFO L475 AbstractCegarLoop]: Abstraction has 283259 states and 405966 transitions. [2019-10-03 00:52:41,039 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:52:41,039 INFO L276 IsEmpty]: Start isEmpty. Operand 283259 states and 405966 transitions. [2019-10-03 00:52:41,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-03 00:52:41,083 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:52:41,083 INFO L411 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] [2019-10-03 00:52:41,084 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:52:41,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:52:41,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1653473595, now seen corresponding path program 1 times [2019-10-03 00:52:41,084 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:52:41,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:52:41,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:52:41,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:52:41,099 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:52:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:52:42,638 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-03 00:52:42,639 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 00:52:42,639 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 00:52:42,640 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 207 with the following transitions: [2019-10-03 00:52:42,644 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] [2019-10-03 00:52:42,701 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 00:52:42,702 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 00:52:42,861 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 00:52:42,863 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. [2019-10-03 00:52:42,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:52:42,870 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 00:52:43,010 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 00:52:43,011 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 00:52:43,019 INFO L420 sIntCurrentIteration]: We unified 205 AI predicates to 205 [2019-10-03 00:52:43,019 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 00:52:43,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 00:52:43,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [13] total 13 [2019-10-03 00:52:43,021 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:52:43,022 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 00:52:43,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 00:52:43,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:52:43,023 INFO L87 Difference]: Start difference. First operand 283259 states and 405966 transitions. Second operand 2 states. [2019-10-03 00:52:43,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:52:43,024 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 00:52:43,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 00:52:43,025 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 206 [2019-10-03 00:52:43,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:52:43,027 INFO L225 Difference]: With dead ends: 2 [2019-10-03 00:52:43,027 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 00:52:43,027 INFO L640 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 [2019-10-03 00:52:43,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 00:52:43,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 00:52:43,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 00:52:43,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 00:52:43,028 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 206 [2019-10-03 00:52:43,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:52:43,028 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 00:52:43,028 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 00:52:43,029 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 00:52:43,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 00:52:43,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:52:43 BoogieIcfgContainer [2019-10-03 00:52:43,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 00:52:43,039 INFO L168 Benchmark]: Toolchain (without parser) took 151749.33 ms. Allocated memory was 140.0 MB in the beginning and 3.5 GB in the end (delta: 3.3 GB). Free memory was 76.8 MB in the beginning and 1.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2019-10-03 00:52:43,040 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-03 00:52:43,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3014.18 ms. Allocated memory was 140.0 MB in the beginning and 266.3 MB in the end (delta: 126.4 MB). Free memory was 76.4 MB in the beginning and 182.3 MB in the end (delta: -105.9 MB). Peak memory consumption was 107.8 MB. Max. memory is 7.1 GB. [2019-10-03 00:52:43,043 INFO L168 Benchmark]: Boogie Preprocessor took 373.35 ms. Allocated memory is still 266.3 MB. Free memory was 182.3 MB in the beginning and 159.7 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2019-10-03 00:52:43,049 INFO L168 Benchmark]: RCFGBuilder took 4726.54 ms. Allocated memory was 266.3 MB in the beginning and 362.8 MB in the end (delta: 96.5 MB). Free memory was 159.7 MB in the beginning and 218.3 MB in the end (delta: -58.6 MB). Peak memory consumption was 203.3 MB. Max. memory is 7.1 GB. [2019-10-03 00:52:43,050 INFO L168 Benchmark]: TraceAbstraction took 143630.39 ms. Allocated memory was 362.8 MB in the beginning and 3.5 GB in the end (delta: 3.1 GB). Free memory was 218.3 MB in the beginning and 1.1 GB in the end (delta: -917.8 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2019-10-03 00:52:43,062 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 106.1 MB in the beginning and 105.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 3014.18 ms. Allocated memory was 140.0 MB in the beginning and 266.3 MB in the end (delta: 126.4 MB). Free memory was 76.4 MB in the beginning and 182.3 MB in the end (delta: -105.9 MB). Peak memory consumption was 107.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 373.35 ms. Allocated memory is still 266.3 MB. Free memory was 182.3 MB in the beginning and 159.7 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4726.54 ms. Allocated memory was 266.3 MB in the beginning and 362.8 MB in the end (delta: 96.5 MB). Free memory was 159.7 MB in the beginning and 218.3 MB in the end (delta: -58.6 MB). Peak memory consumption was 203.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 143630.39 ms. Allocated memory was 362.8 MB in the beginning and 3.5 GB in the end (delta: 3.1 GB). Free memory was 218.3 MB in the beginning and 1.1 GB in the end (delta: -917.8 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, 143.5s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 79.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11361 SDtfs, 19719 SDslu, 31830 SDs, 0 SdLazy, 15655 SolverSat, 6978 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 53.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 306 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=283259occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.6926829268292685 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 56.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1369 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 1950 NumberOfCodeBlocks, 1950 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1939 ConstructedInterpolants, 0 QuantifiedInterpolants, 496123 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...