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_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 10:56:40,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:56:40,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:56:40,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:56:40,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:56:40,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:56:40,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:56:40,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:56:40,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:56:40,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:56:40,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:56:40,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:56:40,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:56:40,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:56:40,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:56:40,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:56:40,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:56:40,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:56:40,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:56:40,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:56:40,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:56:40,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:56:40,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:56:40,446 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:56:40,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:56:40,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:56:40,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:56:40,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:56:40,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:56:40,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:56:40,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:56:40,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:56:40,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:56:40,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:56:40,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:56:40,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:56:40,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:56:40,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:56:40,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:56:40,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:56:40,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:56:40,462 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 10:56:40,492 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:56:40,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:56:40,493 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:56:40,493 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:56:40,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:56:40,494 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:56:40,495 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:56:40,495 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:56:40,495 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:56:40,495 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:56:40,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:56:40,498 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:56:40,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:56:40,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:56:40,499 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:56:40,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:56:40,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:56:40,499 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:56:40,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:56:40,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:56:40,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:56:40,500 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:56:40,501 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:56:40,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:56:40,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:56:40,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:56:40,502 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:56:40,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:56:40,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:56:40,502 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:56:40,557 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:56:40,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:56:40,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:56:40,581 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:56:40,582 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:56:40,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2019-09-10 10:56:40,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef763f26e/86bb5e78b807454dbe6fc021342e3698/FLAG82680604e [2019-09-10 10:56:41,431 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:56:41,432 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2019-09-10 10:56:41,470 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef763f26e/86bb5e78b807454dbe6fc021342e3698/FLAG82680604e [2019-09-10 10:56:41,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef763f26e/86bb5e78b807454dbe6fc021342e3698 [2019-09-10 10:56:41,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:56:41,526 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:56:41,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:56:41,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:56:41,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:56:41,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:56:41" (1/1) ... [2019-09-10 10:56:41,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d2d854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:41, skipping insertion in model container [2019-09-10 10:56:41,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:56:41" (1/1) ... [2019-09-10 10:56:41,543 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:56:41,662 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:56:43,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:56:43,109 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:56:43,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:56:43,474 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:56:43,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43 WrapperNode [2019-09-10 10:56:43,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:56:43,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:56:43,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:56:43,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:56:43,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (1/1) ... [2019-09-10 10:56:43,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (1/1) ... [2019-09-10 10:56:43,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (1/1) ... [2019-09-10 10:56:43,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (1/1) ... [2019-09-10 10:56:43,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (1/1) ... [2019-09-10 10:56:43,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (1/1) ... [2019-09-10 10:56:43,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (1/1) ... [2019-09-10 10:56:43,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:56:43,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:56:43,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:56:43,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:56:43,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:56:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:56:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:56:43,815 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2019-09-10 10:56:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2019-09-10 10:56:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-09-10 10:56:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2019-09-10 10:56:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2019-09-10 10:56:43,816 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-09-10 10:56:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-10 10:56:43,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 10:56:43,818 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 10:56:43,819 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 10:56:43,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 10:56:43,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 10:56:43,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 10:56:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 10:56:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 10:56:43,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:56:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 10:56:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:56:43,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:56:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-10 10:56:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-10 10:56:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2019-09-10 10:56:43,825 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2019-09-10 10:56:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2019-09-10 10:56:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2019-09-10 10:56:43,826 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2019-09-10 10:56:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2019-09-10 10:56:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2019-09-10 10:56:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2019-09-10 10:56:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2019-09-10 10:56:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2019-09-10 10:56:43,827 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2019-09-10 10:56:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-09-10 10:56:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-09-10 10:56:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-09-10 10:56:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-09-10 10:56:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-09-10 10:56:43,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:56:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-09-10 10:56:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-09-10 10:56:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-09-10 10:56:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-09-10 10:56:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-09-10 10:56:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_12 [2019-09-10 10:56:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_13 [2019-09-10 10:56:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_14 [2019-09-10 10:56:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-09-10 10:56:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-09-10 10:56:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-09-10 10:56:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-09-10 10:56:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-09-10 10:56:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 10:56:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 10:56:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 10:56:43,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 10:56:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-09-10 10:56:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:56:43,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-09-10 10:56:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-09-10 10:56:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-09-10 10:56:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-09-10 10:56:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-09-10 10:56:43,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:56:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-10 10:56:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-09-10 10:56:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-09-10 10:56:43,834 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2019-09-10 10:56:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2019-09-10 10:56:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-10 10:56:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-10 10:56:43,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-09-10 10:56:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-09-10 10:56:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 10:56:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2019-09-10 10:56:43,836 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2019-09-10 10:56:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-10 10:56:43,837 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-10 10:56:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-10 10:56:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:56:43,838 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:56:43,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 10:56:43,839 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 10:56:43,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:56:43,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:56:43,841 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 10:56:43,841 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-09-10 10:56:43,842 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-09-10 10:56:43,842 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2019-09-10 10:56:43,842 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2019-09-10 10:56:43,842 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-09-10 10:56:43,842 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-09-10 10:56:43,842 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 10:56:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-09-10 10:56:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2019-09-10 10:56:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 10:56:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2019-09-10 10:56:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-09-10 10:56:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-10 10:56:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:56:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 10:56:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 10:56:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 10:56:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 10:56:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-09-10 10:56:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-09-10 10:56:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-09-10 10:56:43,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-09-10 10:56:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-09-10 10:56:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-09-10 10:56:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 10:56:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 10:56:43,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:56:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 10:56:43,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:56:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 10:56:43,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 10:56:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 10:56:43,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 10:56:43,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 10:56:43,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 10:56:43,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 10:56:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:56:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 10:56:43,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:56:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-09-10 10:56:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-09-10 10:56:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-09-10 10:56:43,852 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-09-10 10:56:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-09-10 10:56:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-10 10:56:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-10 10:56:43,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_12 [2019-09-10 10:56:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-10 10:56:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_13 [2019-09-10 10:56:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_14 [2019-09-10 10:56:43,857 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2019-09-10 10:56:43,858 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2019-09-10 10:56:43,862 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-10 10:56:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-10 10:56:43,863 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-10 10:56:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-10 10:56:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-10 10:56:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2019-09-10 10:56:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2019-09-10 10:56:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2019-09-10 10:56:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2019-09-10 10:56:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2019-09-10 10:56:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2019-09-10 10:56:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2019-09-10 10:56:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2019-09-10 10:56:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2019-09-10 10:56:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2019-09-10 10:56:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:56:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:56:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:56:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:56:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:56:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:56:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2019-09-10 10:56:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2019-09-10 10:56:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2019-09-10 10:56:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:56:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:56:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:56:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-09-10 10:56:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-09-10 10:56:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-09-10 10:56:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-09-10 10:56:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-09-10 10:56:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 10:56:43,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 10:56:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 10:56:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 10:56:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-09-10 10:56:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-09-10 10:56:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-09-10 10:56:43,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-09-10 10:56:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-09-10 10:56:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:56:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:56:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:56:43,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:56:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:56:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:56:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 10:56:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 10:56:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 10:56:43,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 10:56:44,724 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 10:56:47,370 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:56:47,370 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 10:56:47,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:56:47 BoogieIcfgContainer [2019-09-10 10:56:47,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:56:47,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:56:47,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:56:47,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:56:47,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:56:41" (1/3) ... [2019-09-10 10:56:47,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7fef6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:56:47, skipping insertion in model container [2019-09-10 10:56:47,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:56:43" (2/3) ... [2019-09-10 10:56:47,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7fef6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:56:47, skipping insertion in model container [2019-09-10 10:56:47,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:56:47" (3/3) ... [2019-09-10 10:56:47,384 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2019-09-10 10:56:47,391 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:56:47,400 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:56:47,417 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:56:47,439 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:56:47,439 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:56:47,439 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:56:47,440 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:56:47,440 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:56:47,440 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:56:47,440 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:56:47,440 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:56:47,467 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states. [2019-09-10 10:56:47,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-09-10 10:56:47,482 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:47,483 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:47,485 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:47,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:47,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1006811567, now seen corresponding path program 1 times [2019-09-10 10:56:47,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:47,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:47,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:47,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:47,564 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:48,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:56:48,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:48,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:56:48,095 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:48,099 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:56:48,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:56:48,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:48,112 INFO L87 Difference]: Start difference. First operand 598 states. Second operand 3 states. [2019-09-10 10:56:48,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:48,807 INFO L93 Difference]: Finished difference Result 614 states and 843 transitions. [2019-09-10 10:56:48,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:56:48,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-09-10 10:56:48,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:48,847 INFO L225 Difference]: With dead ends: 614 [2019-09-10 10:56:48,847 INFO L226 Difference]: Without dead ends: 597 [2019-09-10 10:56:48,850 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:48,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2019-09-10 10:56:48,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2019-09-10 10:56:48,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2019-09-10 10:56:48,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 818 transitions. [2019-09-10 10:56:48,960 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 818 transitions. Word has length 36 [2019-09-10 10:56:48,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:48,960 INFO L475 AbstractCegarLoop]: Abstraction has 597 states and 818 transitions. [2019-09-10 10:56:48,960 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:56:48,960 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 818 transitions. [2019-09-10 10:56:48,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-09-10 10:56:48,964 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:48,964 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:48,965 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:48,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:48,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1192563019, now seen corresponding path program 1 times [2019-09-10 10:56:48,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:48,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:48,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:48,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:48,970 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:49,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:56:49,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:49,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 10:56:49,172 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:49,177 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 10:56:49,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 10:56:49,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 10:56:49,178 INFO L87 Difference]: Start difference. First operand 597 states and 818 transitions. Second operand 5 states. [2019-09-10 10:56:51,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:51,591 INFO L93 Difference]: Finished difference Result 597 states and 816 transitions. [2019-09-10 10:56:51,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 10:56:51,592 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2019-09-10 10:56:51,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:51,597 INFO L225 Difference]: With dead ends: 597 [2019-09-10 10:56:51,598 INFO L226 Difference]: Without dead ends: 597 [2019-09-10 10:56:51,599 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:56:51,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2019-09-10 10:56:51,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2019-09-10 10:56:51,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2019-09-10 10:56:51,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 816 transitions. [2019-09-10 10:56:51,637 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 816 transitions. Word has length 48 [2019-09-10 10:56:51,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:51,637 INFO L475 AbstractCegarLoop]: Abstraction has 597 states and 816 transitions. [2019-09-10 10:56:51,638 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 10:56:51,638 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 816 transitions. [2019-09-10 10:56:51,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-09-10 10:56:51,640 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:51,640 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:51,641 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:51,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:51,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1130523405, now seen corresponding path program 1 times [2019-09-10 10:56:51,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:51,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:51,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:51,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:51,645 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:56:51,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:51,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 10:56:51,798 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:51,799 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 10:56:51,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 10:56:51,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 10:56:51,800 INFO L87 Difference]: Start difference. First operand 597 states and 816 transitions. Second operand 4 states. [2019-09-10 10:56:52,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:52,744 INFO L93 Difference]: Finished difference Result 597 states and 815 transitions. [2019-09-10 10:56:52,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:56:52,745 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2019-09-10 10:56:52,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:52,749 INFO L225 Difference]: With dead ends: 597 [2019-09-10 10:56:52,749 INFO L226 Difference]: Without dead ends: 597 [2019-09-10 10:56:52,750 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 10:56:52,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2019-09-10 10:56:52,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2019-09-10 10:56:52,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2019-09-10 10:56:52,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 815 transitions. [2019-09-10 10:56:52,775 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 815 transitions. Word has length 48 [2019-09-10 10:56:52,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:52,775 INFO L475 AbstractCegarLoop]: Abstraction has 597 states and 815 transitions. [2019-09-10 10:56:52,775 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 10:56:52,775 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 815 transitions. [2019-09-10 10:56:52,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-10 10:56:52,779 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:52,779 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:52,779 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:52,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:52,779 INFO L82 PathProgramCache]: Analyzing trace with hash -214787652, now seen corresponding path program 1 times [2019-09-10 10:56:52,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:52,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:52,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:52,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:52,783 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:52,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:56:52,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:52,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:56:52,989 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:52,989 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:56:52,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:56:52,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:52,990 INFO L87 Difference]: Start difference. First operand 597 states and 815 transitions. Second operand 3 states. [2019-09-10 10:56:53,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:53,090 INFO L93 Difference]: Finished difference Result 608 states and 824 transitions. [2019-09-10 10:56:53,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:56:53,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2019-09-10 10:56:53,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:53,096 INFO L225 Difference]: With dead ends: 608 [2019-09-10 10:56:53,096 INFO L226 Difference]: Without dead ends: 608 [2019-09-10 10:56:53,097 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:56:53,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2019-09-10 10:56:53,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 597. [2019-09-10 10:56:53,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2019-09-10 10:56:53,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 814 transitions. [2019-09-10 10:56:53,123 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 814 transitions. Word has length 70 [2019-09-10 10:56:53,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:53,123 INFO L475 AbstractCegarLoop]: Abstraction has 597 states and 814 transitions. [2019-09-10 10:56:53,124 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:56:53,124 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 814 transitions. [2019-09-10 10:56:53,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-10 10:56:53,127 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:56:53,127 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:56:53,127 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:56:53,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:56:53,128 INFO L82 PathProgramCache]: Analyzing trace with hash 43377786, now seen corresponding path program 1 times [2019-09-10 10:56:53,128 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:56:53,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:53,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:56:53,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:56:53,132 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:56:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:56:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:56:53,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:56:53,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 10:56:53,327 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:56:53,327 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 10:56:53,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 10:56:53,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:56:53,328 INFO L87 Difference]: Start difference. First operand 597 states and 814 transitions. Second operand 6 states. [2019-09-10 10:56:54,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:56:54,412 INFO L93 Difference]: Finished difference Result 594 states and 811 transitions. [2019-09-10 10:56:54,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 10:56:54,413 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2019-09-10 10:56:54,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:56:54,414 INFO L225 Difference]: With dead ends: 594 [2019-09-10 10:56:54,414 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 10:56:54,414 INFO L628 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 [2019-09-10 10:56:54,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 10:56:54,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 10:56:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 10:56:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 10:56:54,415 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2019-09-10 10:56:54,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:56:54,415 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 10:56:54,416 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 10:56:54,416 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 10:56:54,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 10:56:54,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:56:54 BoogieIcfgContainer [2019-09-10 10:56:54,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 10:56:54,430 INFO L168 Benchmark]: Toolchain (without parser) took 12902.28 ms. Allocated memory was 138.9 MB in the beginning and 427.8 MB in the end (delta: 288.9 MB). Free memory was 78.4 MB in the beginning and 197.1 MB in the end (delta: -118.8 MB). Peak memory consumption was 170.1 MB. Max. memory is 7.1 GB. [2019-09-10 10:56:54,431 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-10 10:56:54,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1948.74 ms. Allocated memory was 138.9 MB in the beginning and 226.5 MB in the end (delta: 87.6 MB). Free memory was 77.9 MB in the beginning and 106.8 MB in the end (delta: -28.8 MB). Peak memory consumption was 66.2 MB. Max. memory is 7.1 GB. [2019-09-10 10:56:54,435 INFO L168 Benchmark]: Boogie Preprocessor took 253.18 ms. Allocated memory is still 226.5 MB. Free memory was 106.8 MB in the beginning and 94.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-10 10:56:54,436 INFO L168 Benchmark]: RCFGBuilder took 3643.00 ms. Allocated memory was 226.5 MB in the beginning and 364.4 MB in the end (delta: 137.9 MB). Free memory was 94.7 MB in the beginning and 263.8 MB in the end (delta: -169.1 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-09-10 10:56:54,438 INFO L168 Benchmark]: TraceAbstraction took 7053.05 ms. Allocated memory was 364.4 MB in the beginning and 427.8 MB in the end (delta: 63.4 MB). Free memory was 263.8 MB in the beginning and 197.1 MB in the end (delta: 66.7 MB). Peak memory consumption was 130.2 MB. Max. memory is 7.1 GB. [2019-09-10 10:56:54,447 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1948.74 ms. Allocated memory was 138.9 MB in the beginning and 226.5 MB in the end (delta: 87.6 MB). Free memory was 77.9 MB in the beginning and 106.8 MB in the end (delta: -28.8 MB). Peak memory consumption was 66.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 253.18 ms. Allocated memory is still 226.5 MB. Free memory was 106.8 MB in the beginning and 94.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3643.00 ms. Allocated memory was 226.5 MB in the beginning and 364.4 MB in the end (delta: 137.9 MB). Free memory was 94.7 MB in the beginning and 263.8 MB in the end (delta: -169.1 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7053.05 ms. Allocated memory was 364.4 MB in the beginning and 427.8 MB in the end (delta: 63.4 MB). Free memory was 263.8 MB in the beginning and 197.1 MB in the end (delta: 66.7 MB). Peak memory consumption was 130.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5281]: 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 84 procedures, 735 locations, 1 error locations. SAFE Result, 6.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 5.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3608 SDtfs, 3863 SDslu, 2697 SDs, 0 SdLazy, 1250 SolverSat, 422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=598occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 272 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 267 ConstructedInterpolants, 0 QuantifiedInterpolants, 23532 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...