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--rfc1051.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 00:48:35,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 00:48:35,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 00:48:35,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 00:48:35,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 00:48:35,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 00:48:35,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 00:48:35,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 00:48:35,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 00:48:35,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 00:48:35,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 00:48:35,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 00:48:35,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 00:48:35,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 00:48:35,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 00:48:35,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 00:48:35,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 00:48:35,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 00:48:35,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 00:48:35,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 00:48:35,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 00:48:35,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 00:48:35,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 00:48:35,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 00:48:35,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 00:48:35,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 00:48:35,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 00:48:35,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 00:48:35,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 00:48:35,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 00:48:35,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 00:48:35,701 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 00:48:35,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 00:48:35,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 00:48:35,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 00:48:35,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 00:48:35,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 00:48:35,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 00:48:35,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 00:48:35,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 00:48:35,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 00:48:35,714 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 00:48:35,734 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 00:48:35,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 00:48:35,735 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 00:48:35,735 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 00:48:35,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 00:48:35,736 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 00:48:35,736 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 00:48:35,737 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 00:48:35,737 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 00:48:35,737 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 00:48:35,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 00:48:35,738 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 00:48:35,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 00:48:35,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 00:48:35,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 00:48:35,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 00:48:35,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 00:48:35,739 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 00:48:35,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 00:48:35,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 00:48:35,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 00:48:35,740 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 00:48:35,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 00:48:35,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:48:35,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 00:48:35,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 00:48:35,742 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 00:48:35,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 00:48:35,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 00:48:35,742 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 00:48:35,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 00:48:35,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 00:48:35,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 00:48:35,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 00:48:35,814 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 00:48:35,816 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1051.ko-entry_point.cil.out.i [2019-10-03 00:48:35,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/141f96fad/874437634c9946e09c9121bf809598ba/FLAG0abc343dc [2019-10-03 00:48:36,699 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 00:48:36,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1051.ko-entry_point.cil.out.i [2019-10-03 00:48:36,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/141f96fad/874437634c9946e09c9121bf809598ba/FLAG0abc343dc [2019-10-03 00:48:36,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/141f96fad/874437634c9946e09c9121bf809598ba [2019-10-03 00:48:36,787 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 00:48:36,788 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 00:48:36,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 00:48:36,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 00:48:36,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 00:48:36,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:48:36" (1/1) ... [2019-10-03 00:48:36,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f8ed40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:36, skipping insertion in model container [2019-10-03 00:48:36,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:48:36" (1/1) ... [2019-10-03 00:48:36,804 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 00:48:36,920 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 00:48:38,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:48:38,088 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 00:48:38,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:48:38,356 INFO L192 MainTranslator]: Completed translation [2019-10-03 00:48:38,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:38 WrapperNode [2019-10-03 00:48:38,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 00:48:38,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 00:48:38,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 00:48:38,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 00:48:38,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:38" (1/1) ... [2019-10-03 00:48:38,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:38" (1/1) ... [2019-10-03 00:48:38,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:38" (1/1) ... [2019-10-03 00:48:38,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:38" (1/1) ... [2019-10-03 00:48:38,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:38" (1/1) ... [2019-10-03 00:48:38,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:38" (1/1) ... [2019-10-03 00:48:38,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:38" (1/1) ... [2019-10-03 00:48:38,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 00:48:38,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 00:48:38,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 00:48:38,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 00:48:38,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:38" (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 00:48:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 00:48:38,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 00:48:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-03 00:48:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-03 00:48:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_zalloc [2019-10-03 00:48:38,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 00:48:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 00:48:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 00:48:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 00:48:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 00:48:38,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 00:48:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 00:48:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 00:48:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 00:48:38,590 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-03 00:48:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_rfc1051_init [2019-10-03 00:48:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_rfc1051_exit [2019-10-03 00:48:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure type_trans [2019-10-03 00:48:38,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rx [2019-10-03 00:48:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure build_header [2019-10-03 00:48:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_tx [2019-10-03 00:48:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ArcProto_1 [2019-10-03 00:48:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 00:48:38,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-03 00:48:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-03 00:48:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-03 00:48:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-03 00:48:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-03 00:48:38,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_13 [2019-10-03 00:48:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_14 [2019-10-03 00:48:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netif_rx_15 [2019-10-03 00:48:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-03 00:48:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-03 00:48:38,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-03 00:48:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-03 00:48:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-03 00:48:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 00:48:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 00:48:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 00:48:38,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 00:48:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-03 00:48:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 00:48:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-03 00:48:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-03 00:48:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-03 00:48:38,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-03 00:48:38,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-03 00:48:38,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 00:48:38,597 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_unregister_proto [2019-10-03 00:48:38,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 00:48:38,597 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-03 00:48:38,598 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2019-10-03 00:48:38,598 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-03 00:48:38,598 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 00:48:38,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 00:48:38,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-03 00:48:38,599 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 00:48:38,599 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 00:48:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 00:48:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 00:48:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 00:48:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 00:48:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-03 00:48:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-03 00:48:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-03 00:48:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-03 00:48:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-03 00:48:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_13 [2019-10-03 00:48:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-03 00:48:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_14 [2019-10-03 00:48:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-03 00:48:38,601 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2019-10-03 00:48:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-03 00:48:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-03 00:48:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 00:48:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 00:48:38,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-03 00:48:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-03 00:48:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-03 00:48:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 00:48:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 00:48:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 00:48:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-03 00:48:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 00:48:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 00:48:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 00:48:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_zalloc [2019-10-03 00:48:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 00:48:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 00:48:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 00:48:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 00:48:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 00:48:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 00:48:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 00:48:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 00:48:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 00:48:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 00:48:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ArcProto_1 [2019-10-03 00:48:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-03 00:48:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netif_rx_15 [2019-10-03 00:48:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_unregister_proto [2019-10-03 00:48:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure type_trans [2019-10-03 00:48:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure rx [2019-10-03 00:48:38,607 INFO L130 BoogieDeclarations]: Found specification of procedure build_header [2019-10-03 00:48:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_tx [2019-10-03 00:48:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_rfc1051_init [2019-10-03 00:48:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 00:48:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 00:48:38,608 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_rfc1051_exit [2019-10-03 00:48:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 00:48:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 00:48:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~TO~VOID [2019-10-03 00:48:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 00:48:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 00:48:38,609 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 00:48:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-03 00:48:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 00:48:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-03 00:48:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-03 00:48:38,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-03 00:48:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-03 00:48:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-03 00:48:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 00:48:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 00:48:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 00:48:38,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 00:48:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-03 00:48:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-03 00:48:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-03 00:48:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 00:48:38,612 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 00:48:38,613 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 00:48:38,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 00:48:38,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 00:48:38,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 00:48:38,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 00:48:38,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 00:48:38,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 00:48:38,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 00:48:38,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 00:48:39,418 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 00:48:42,408 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 00:48:42,409 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 00:48:42,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:48:42 BoogieIcfgContainer [2019-10-03 00:48:42,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 00:48:42,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 00:48:42,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 00:48:42,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 00:48:42,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 12:48:36" (1/3) ... [2019-10-03 00:48:42,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195127db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:48:42, skipping insertion in model container [2019-10-03 00:48:42,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:38" (2/3) ... [2019-10-03 00:48:42,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195127db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 12:48:42, skipping insertion in model container [2019-10-03 00:48:42,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:48:42" (3/3) ... [2019-10-03 00:48:42,434 INFO L109 eAbstractionObserver]: Analyzing ICFG 205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--rfc1051.ko-entry_point.cil.out.i [2019-10-03 00:48:42,447 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 00:48:42,458 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 00:48:42,480 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 00:48:42,513 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 00:48:42,514 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 00:48:42,514 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 00:48:42,514 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 00:48:42,514 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 00:48:42,514 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 00:48:42,514 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 00:48:42,515 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 00:48:42,553 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states. [2019-10-03 00:48:42,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-03 00:48:42,573 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:48:42,574 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] [2019-10-03 00:48:42,578 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:48:42,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:42,585 INFO L82 PathProgramCache]: Analyzing trace with hash 997223558, now seen corresponding path program 1 times [2019-10-03 00:48:42,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:48:42,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:42,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:48:42,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:42,687 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:48:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:48:43,163 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 00:48:43,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:48:43,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:48:43,167 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:48:43,178 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:48:43,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:48:43,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:48:43,198 INFO L87 Difference]: Start difference. First operand 273 states. Second operand 3 states. [2019-10-03 00:48:43,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:48:43,354 INFO L93 Difference]: Finished difference Result 429 states and 541 transitions. [2019-10-03 00:48:43,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:48:43,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-10-03 00:48:43,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:48:43,387 INFO L225 Difference]: With dead ends: 429 [2019-10-03 00:48:43,388 INFO L226 Difference]: Without dead ends: 414 [2019-10-03 00:48:43,390 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 00:48:43,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2019-10-03 00:48:43,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2019-10-03 00:48:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-10-03 00:48:43,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 520 transitions. [2019-10-03 00:48:43,487 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 520 transitions. Word has length 54 [2019-10-03 00:48:43,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:48:43,487 INFO L475 AbstractCegarLoop]: Abstraction has 414 states and 520 transitions. [2019-10-03 00:48:43,488 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:48:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 520 transitions. [2019-10-03 00:48:43,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-03 00:48:43,492 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:48:43,492 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] [2019-10-03 00:48:43,492 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:48:43,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:43,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1153909464, now seen corresponding path program 1 times [2019-10-03 00:48:43,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:48:43,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:43,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:48:43,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:43,501 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:48:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:48:43,659 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 00:48:43,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:48:43,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:48:43,660 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:48:43,669 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:48:43,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:48:43,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:48:43,670 INFO L87 Difference]: Start difference. First operand 414 states and 520 transitions. Second operand 5 states. [2019-10-03 00:48:43,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:48:43,775 INFO L93 Difference]: Finished difference Result 413 states and 516 transitions. [2019-10-03 00:48:43,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 00:48:43,776 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2019-10-03 00:48:43,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:48:43,781 INFO L225 Difference]: With dead ends: 413 [2019-10-03 00:48:43,781 INFO L226 Difference]: Without dead ends: 413 [2019-10-03 00:48:43,782 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-03 00:48:43,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-10-03 00:48:43,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2019-10-03 00:48:43,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-10-03 00:48:43,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 516 transitions. [2019-10-03 00:48:43,839 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 516 transitions. Word has length 56 [2019-10-03 00:48:43,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:48:43,840 INFO L475 AbstractCegarLoop]: Abstraction has 413 states and 516 transitions. [2019-10-03 00:48:43,840 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:48:43,841 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 516 transitions. [2019-10-03 00:48:43,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-10-03 00:48:43,853 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:48:43,854 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 00:48:43,854 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:48:43,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:43,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1163764777, now seen corresponding path program 1 times [2019-10-03 00:48:43,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:48:43,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:43,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:48:43,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:43,866 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:48:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:48:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 00:48:44,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:48:44,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:48:44,096 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:48:44,096 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:48:44,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:48:44,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:48:44,097 INFO L87 Difference]: Start difference. First operand 413 states and 516 transitions. Second operand 6 states. [2019-10-03 00:48:44,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:48:44,534 INFO L93 Difference]: Finished difference Result 810 states and 1024 transitions. [2019-10-03 00:48:44,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 00:48:44,534 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2019-10-03 00:48:44,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:48:44,545 INFO L225 Difference]: With dead ends: 810 [2019-10-03 00:48:44,545 INFO L226 Difference]: Without dead ends: 794 [2019-10-03 00:48:44,546 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 00:48:44,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2019-10-03 00:48:44,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 794. [2019-10-03 00:48:44,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 794 states. [2019-10-03 00:48:44,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 1008 transitions. [2019-10-03 00:48:44,583 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 1008 transitions. Word has length 96 [2019-10-03 00:48:44,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:48:44,583 INFO L475 AbstractCegarLoop]: Abstraction has 794 states and 1008 transitions. [2019-10-03 00:48:44,584 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:48:44,584 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1008 transitions. [2019-10-03 00:48:44,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-03 00:48:44,590 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:48:44,591 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2019-10-03 00:48:44,591 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:48:44,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:44,592 INFO L82 PathProgramCache]: Analyzing trace with hash -268364921, now seen corresponding path program 1 times [2019-10-03 00:48:44,592 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:48:44,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:44,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:48:44,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:44,597 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:48:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:48:44,797 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-10-03 00:48:44,798 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:48:44,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 00:48:44,798 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:48:44,799 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 00:48:44,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 00:48:44,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 00:48:44,800 INFO L87 Difference]: Start difference. First operand 794 states and 1008 transitions. Second operand 4 states. [2019-10-03 00:48:44,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:48:44,846 INFO L93 Difference]: Finished difference Result 797 states and 1011 transitions. [2019-10-03 00:48:44,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-03 00:48:44,847 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 147 [2019-10-03 00:48:44,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:48:44,855 INFO L225 Difference]: With dead ends: 797 [2019-10-03 00:48:44,855 INFO L226 Difference]: Without dead ends: 795 [2019-10-03 00:48:44,855 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:48:44,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2019-10-03 00:48:44,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 795. [2019-10-03 00:48:44,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2019-10-03 00:48:44,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1009 transitions. [2019-10-03 00:48:44,886 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1009 transitions. Word has length 147 [2019-10-03 00:48:44,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:48:44,887 INFO L475 AbstractCegarLoop]: Abstraction has 795 states and 1009 transitions. [2019-10-03 00:48:44,887 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 00:48:44,887 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1009 transitions. [2019-10-03 00:48:44,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-03 00:48:44,892 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:48:44,892 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2019-10-03 00:48:44,893 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:48:44,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:44,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1500119329, now seen corresponding path program 1 times [2019-10-03 00:48:44,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:48:44,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:44,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:48:44,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:44,898 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:48:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:48:45,240 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-10-03 00:48:45,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 00:48:45,241 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 00:48:45,242 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2019-10-03 00:48:45,244 INFO L207 CegarAbsIntRunner]: [8], [11], [15], [16], [45], [47], [49], [50], [51], [53], [56], [58], [61], [64], [77], [90], [93], [96], [98], [117], [120], [123], [126], [129], [131], [135], [138], [141], [143], [146], [155], [190], [191], [195], [204], [209], [221], [225], [230], [231], [237], [238], [278], [279], [361], [362], [368], [370], [371], [384], [386], [390], [392], [393], [414], [416], [419], [424], [427], [432], [434], [460], [508], [510], [511], [512], [523], [524], [566], [570], [572], [573], [578], [579], [582], [584], [589], [605], [610], [611], [612], [613], [614], [615], [616], [617], [618], [619], [624], [625], [628], [629], [630], [631], [632], [633], [638], [642], [643], [658], [659], [668], [669], [670], [671], [674], [675], [676], [677], [698], [699], [708], [709], [710], [714], [715], [716], [718], [719] [2019-10-03 00:48:45,287 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 00:48:45,288 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 00:48:45,361 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 00:48:45,363 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 55 root evaluator evaluations with a maximum evaluation depth of 0. Performed 55 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 94 variables. [2019-10-03 00:48:45,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:45,370 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 00:48:45,446 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 00:48:45,447 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 00:48:45,452 INFO L420 sIntCurrentIteration]: We unified 147 AI predicates to 147 [2019-10-03 00:48:45,452 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 00:48:45,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 00:48:45,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-10-03 00:48:45,453 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:48:45,454 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 00:48:45,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 00:48:45,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 00:48:45,455 INFO L87 Difference]: Start difference. First operand 795 states and 1009 transitions. Second operand 2 states. [2019-10-03 00:48:45,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:48:45,455 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 00:48:45,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 00:48:45,456 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 148 [2019-10-03 00:48:45,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:48:45,456 INFO L225 Difference]: With dead ends: 2 [2019-10-03 00:48:45,456 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 00:48:45,457 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 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 00:48:45,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 00:48:45,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 00:48:45,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 00:48:45,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 00:48:45,458 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 148 [2019-10-03 00:48:45,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:48:45,458 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 00:48:45,458 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 00:48:45,458 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 00:48:45,458 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 00:48:45,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:48:45 BoogieIcfgContainer [2019-10-03 00:48:45,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 00:48:45,466 INFO L168 Benchmark]: Toolchain (without parser) took 8677.26 ms. Allocated memory was 140.0 MB in the beginning and 348.7 MB in the end (delta: 208.7 MB). Free memory was 80.2 MB in the beginning and 105.7 MB in the end (delta: -25.4 MB). Peak memory consumption was 183.2 MB. Max. memory is 7.1 GB. [2019-10-03 00:48:45,467 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-03 00:48:45,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1568.36 ms. Allocated memory was 140.0 MB in the beginning and 222.3 MB in the end (delta: 82.3 MB). Free memory was 80.0 MB in the beginning and 126.9 MB in the end (delta: -46.9 MB). Peak memory consumption was 48.3 MB. Max. memory is 7.1 GB. [2019-10-03 00:48:45,469 INFO L168 Benchmark]: Boogie Preprocessor took 165.08 ms. Allocated memory is still 222.3 MB. Free memory was 126.9 MB in the beginning and 120.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-10-03 00:48:45,470 INFO L168 Benchmark]: RCFGBuilder took 3895.63 ms. Allocated memory was 222.3 MB in the beginning and 273.7 MB in the end (delta: 51.4 MB). Free memory was 120.1 MB in the beginning and 201.1 MB in the end (delta: -81.0 MB). Peak memory consumption was 99.3 MB. Max. memory is 7.1 GB. [2019-10-03 00:48:45,471 INFO L168 Benchmark]: TraceAbstraction took 3042.95 ms. Allocated memory was 273.7 MB in the beginning and 348.7 MB in the end (delta: 75.0 MB). Free memory was 201.1 MB in the beginning and 105.7 MB in the end (delta: 95.4 MB). Peak memory consumption was 170.4 MB. Max. memory is 7.1 GB. [2019-10-03 00:48:45,476 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1568.36 ms. Allocated memory was 140.0 MB in the beginning and 222.3 MB in the end (delta: 82.3 MB). Free memory was 80.0 MB in the beginning and 126.9 MB in the end (delta: -46.9 MB). Peak memory consumption was 48.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 165.08 ms. Allocated memory is still 222.3 MB. Free memory was 126.9 MB in the beginning and 120.1 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3895.63 ms. Allocated memory was 222.3 MB in the beginning and 273.7 MB in the end (delta: 51.4 MB). Free memory was 120.1 MB in the beginning and 201.1 MB in the end (delta: -81.0 MB). Peak memory consumption was 99.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3042.95 ms. Allocated memory was 273.7 MB in the beginning and 348.7 MB in the end (delta: 75.0 MB). Free memory was 201.1 MB in the beginning and 105.7 MB in the end (delta: 95.4 MB). Peak memory consumption was 170.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5327]: 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 58 procedures, 349 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1323 SDtfs, 783 SDslu, 2824 SDs, 0 SdLazy, 174 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 171 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=795occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.7891156462585034 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 81697 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 138/159 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...