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 0.1.24-673a906-m [2019-10-03 00:48:35,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 00:48:35,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 00:48:35,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 00:48:35,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 00:48:35,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 00:48:35,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 00:48:35,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 00:48:35,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 00:48:35,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 00:48:35,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 00:48:35,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 00:48:35,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 00:48:35,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 00:48:35,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 00:48:35,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 00:48:35,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 00:48:35,296 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 00:48:35,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 00:48:35,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 00:48:35,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 00:48:35,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 00:48:35,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 00:48:35,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 00:48:35,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 00:48:35,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 00:48:35,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 00:48:35,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 00:48:35,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 00:48:35,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 00:48:35,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 00:48:35,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 00:48:35,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 00:48:35,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 00:48:35,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 00:48:35,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 00:48:35,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 00:48:35,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 00:48:35,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 00:48:35,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 00:48:35,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 00:48:35,333 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 00:48:35,351 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 00:48:35,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 00:48:35,352 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 00:48:35,352 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 00:48:35,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 00:48:35,353 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 00:48:35,353 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 00:48:35,353 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 00:48:35,353 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 00:48:35,354 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 00:48:35,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 00:48:35,355 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 00:48:35,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 00:48:35,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 00:48:35,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 00:48:35,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 00:48:35,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 00:48:35,356 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 00:48:35,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 00:48:35,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 00:48:35,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 00:48:35,357 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 00:48:35,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 00:48:35,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 00:48:35,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 00:48:35,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 00:48:35,358 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 00:48:35,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 00:48:35,358 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 00:48:35,358 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 00:48:35,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 00:48:35,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 00:48:35,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 00:48:35,404 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 00:48:35,405 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 00:48:35,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2019-10-03 00:48:35,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb1f064c/42aacc16ca6d4ccdb038582322f1f083/FLAGa6b80c9a2 [2019-10-03 00:48:36,245 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 00:48:36,246 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_safes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2019-10-03 00:48:36,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb1f064c/42aacc16ca6d4ccdb038582322f1f083/FLAGa6b80c9a2 [2019-10-03 00:48:36,745 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8eb1f064c/42aacc16ca6d4ccdb038582322f1f083 [2019-10-03 00:48:36,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 00:48:36,755 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 00:48:36,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 00:48:36,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 00:48:36,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 00:48:36,761 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:48:36" (1/1) ... [2019-10-03 00:48:36,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f893bdd 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 00:48:36,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:48:36" (1/1) ... [2019-10-03 00:48:36,772 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 00:48:36,913 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 00:48:38,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:48:38,189 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 00:48:38,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 00:48:38,441 INFO L192 MainTranslator]: Completed translation [2019-10-03 00:48:38,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:38 WrapperNode [2019-10-03 00:48:38,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 00:48:38,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 00:48:38,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 00:48:38,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 00:48:38,457 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 00:48:38,457 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 00:48:38,495 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 00:48:38,496 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 00:48:38,610 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 00:48:38,640 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 00:48:38,663 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 00:48:38,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 00:48:38,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 00:48:38,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 00:48:38,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 00:48:38,701 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 00:48:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 00:48:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 00:48:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2019-10-03 00:48:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2019-10-03 00:48:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-10-03 00:48:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2019-10-03 00:48:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2019-10-03 00:48:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-03 00:48:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-03 00:48:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-03 00:48:38,810 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-03 00:48:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-03 00:48:38,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-03 00:48:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-03 00:48:38,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-03 00:48:38,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-03 00:48:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-03 00:48:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-03 00:48:38,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-03 00:48:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-03 00:48:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-03 00:48:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-03 00:48:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-03 00:48:38,815 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2019-10-03 00:48:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2019-10-03 00:48:38,816 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2019-10-03 00:48:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2019-10-03 00:48:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2019-10-03 00:48:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2019-10-03 00:48:38,817 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2019-10-03 00:48:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2019-10-03 00:48:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2019-10-03 00:48:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2019-10-03 00:48:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2019-10-03 00:48:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-03 00:48:38,818 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-03 00:48:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-03 00:48:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-03 00:48:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-03 00:48:38,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 00:48:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2019-10-03 00:48:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2019-10-03 00:48:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2019-10-03 00:48:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2019-10-03 00:48:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2019-10-03 00:48:38,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_12 [2019-10-03 00:48:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_13 [2019-10-03 00:48:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_14 [2019-10-03 00:48:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2019-10-03 00:48:38,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2019-10-03 00:48:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2019-10-03 00:48:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2019-10-03 00:48:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2019-10-03 00:48:38,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-03 00:48:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-03 00:48:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-03 00:48:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-03 00:48:38,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2019-10-03 00:48:38,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-03 00:48:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2019-10-03 00:48:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2019-10-03 00:48:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2019-10-03 00:48:38,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2019-10-03 00:48:38,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2019-10-03 00:48:38,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-03 00:48:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-03 00:48:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-10-03 00:48:38,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-03 00:48:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2019-10-03 00:48:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2019-10-03 00:48:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-03 00:48:38,828 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-03 00:48:38,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-10-03 00:48:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-10-03 00:48:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-03 00:48:38,830 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2019-10-03 00:48:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2019-10-03 00:48:38,831 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-10-03 00:48:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-03 00:48:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-03 00:48:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-03 00:48:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-03 00:48:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-03 00:48:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-03 00:48:38,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 00:48:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-03 00:48:38,836 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-03 00:48:38,837 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-03 00:48:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-10-03 00:48:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2019-10-03 00:48:38,838 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2019-10-03 00:48:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-10-03 00:48:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-10-03 00:48:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-03 00:48:38,839 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-10-03 00:48:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2019-10-03 00:48:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-03 00:48:38,840 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2019-10-03 00:48:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-03 00:48:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-03 00:48:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-03 00:48:38,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-03 00:48:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-03 00:48:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-03 00:48:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-03 00:48:38,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2019-10-03 00:48:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2019-10-03 00:48:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2019-10-03 00:48:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2019-10-03 00:48:38,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2019-10-03 00:48:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2019-10-03 00:48:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 00:48:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-03 00:48:38,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 00:48:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-03 00:48:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-03 00:48:38,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 00:48:38,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 00:48:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-03 00:48:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-03 00:48:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-03 00:48:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-03 00:48:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-03 00:48:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-03 00:48:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-03 00:48:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-03 00:48:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-03 00:48:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-03 00:48:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-03 00:48:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-03 00:48:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-03 00:48:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-03 00:48:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-03 00:48:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_12 [2019-10-03 00:48:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-03 00:48:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_13 [2019-10-03 00:48:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_14 [2019-10-03 00:48:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2019-10-03 00:48:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2019-10-03 00:48:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-03 00:48:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-03 00:48:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-03 00:48:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-10-03 00:48:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-03 00:48:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2019-10-03 00:48:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2019-10-03 00:48:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2019-10-03 00:48:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2019-10-03 00:48:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2019-10-03 00:48:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2019-10-03 00:48:38,859 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2019-10-03 00:48:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2019-10-03 00:48:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2019-10-03 00:48:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2019-10-03 00:48:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 00:48:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 00:48:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 00:48:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 00:48:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 00:48:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 00:48:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2019-10-03 00:48:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2019-10-03 00:48:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2019-10-03 00:48:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-03 00:48:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-03 00:48:38,863 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 00:48:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2019-10-03 00:48:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2019-10-03 00:48:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2019-10-03 00:48:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2019-10-03 00:48:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2019-10-03 00:48:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-03 00:48:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-03 00:48:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-03 00:48:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-03 00:48:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2019-10-03 00:48:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2019-10-03 00:48:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2019-10-03 00:48:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2019-10-03 00:48:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2019-10-03 00:48:38,867 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-03 00:48:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 00:48:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 00:48:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-03 00:48:38,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 00:48:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 00:48:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-03 00:48:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-03 00:48:38,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-03 00:48:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-03 00:48:39,819 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-03 00:48:42,470 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 00:48:42,471 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-03 00:48:42,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:48:42 BoogieIcfgContainer [2019-10-03 00:48:42,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 00:48:42,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 00:48:42,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 00:48:42,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 00:48:42,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 12:48:36" (1/3) ... [2019-10-03 00:48:42,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c394651 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 00:48:42,479 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 00:48:42,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c394651 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 00:48:42,480 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 00:48:42,483 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 [2019-10-03 00:48:42,493 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 00:48:42,504 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 00:48:42,522 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 00:48:42,554 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 00:48:42,554 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 00:48:42,554 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 00:48:42,555 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 00:48:42,555 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 00:48:42,555 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 00:48:42,555 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 00:48:42,555 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 00:48:42,595 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states. [2019-10-03 00:48:42,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-03 00:48:42,615 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:48:42,616 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] [2019-10-03 00:48:42,619 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:48:42,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:42,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1006811567, now seen corresponding path program 1 times [2019-10-03 00:48:42,628 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:48:42,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:42,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:48:42,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:42,704 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:48:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:48:43,217 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 00:48:43,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:48:43,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:48:43,221 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:48:43,226 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:48:43,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:48:43,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:48:43,245 INFO L87 Difference]: Start difference. First operand 598 states. Second operand 3 states. [2019-10-03 00:48:43,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:48:43,916 INFO L93 Difference]: Finished difference Result 614 states and 843 transitions. [2019-10-03 00:48:43,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:48:43,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-03 00:48:43,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:48:43,958 INFO L225 Difference]: With dead ends: 614 [2019-10-03 00:48:43,959 INFO L226 Difference]: Without dead ends: 597 [2019-10-03 00:48:43,963 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 00:48:43,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2019-10-03 00:48:44,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2019-10-03 00:48:44,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2019-10-03 00:48:44,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 818 transitions. [2019-10-03 00:48:44,107 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 818 transitions. Word has length 36 [2019-10-03 00:48:44,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:48:44,107 INFO L475 AbstractCegarLoop]: Abstraction has 597 states and 818 transitions. [2019-10-03 00:48:44,107 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:48:44,108 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 818 transitions. [2019-10-03 00:48:44,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-03 00:48:44,111 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:48:44,111 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] [2019-10-03 00:48:44,112 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:48:44,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:44,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1192563019, now seen corresponding path program 1 times [2019-10-03 00:48:44,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:48:44,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:44,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:48:44,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:44,120 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:48:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:48:44,349 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 00:48:44,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:48:44,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 00:48:44,350 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:48:44,351 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 00:48:44,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 00:48:44,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 00:48:44,352 INFO L87 Difference]: Start difference. First operand 597 states and 818 transitions. Second operand 5 states. [2019-10-03 00:48:46,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:48:46,747 INFO L93 Difference]: Finished difference Result 597 states and 816 transitions. [2019-10-03 00:48:46,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 00:48:46,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2019-10-03 00:48:46,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:48:46,753 INFO L225 Difference]: With dead ends: 597 [2019-10-03 00:48:46,754 INFO L226 Difference]: Without dead ends: 597 [2019-10-03 00:48:46,754 INFO L640 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 [2019-10-03 00:48:46,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2019-10-03 00:48:46,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2019-10-03 00:48:46,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2019-10-03 00:48:46,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 816 transitions. [2019-10-03 00:48:46,780 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 816 transitions. Word has length 48 [2019-10-03 00:48:46,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:48:46,781 INFO L475 AbstractCegarLoop]: Abstraction has 597 states and 816 transitions. [2019-10-03 00:48:46,781 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 00:48:46,781 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 816 transitions. [2019-10-03 00:48:46,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-03 00:48:46,783 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:48:46,784 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] [2019-10-03 00:48:46,784 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:48:46,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:46,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1130523405, now seen corresponding path program 1 times [2019-10-03 00:48:46,784 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:48:46,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:46,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:48:46,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:46,791 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:48:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:48:46,946 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 00:48:46,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:48:46,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 00:48:46,947 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:48:46,948 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 00:48:46,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 00:48:46,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 00:48:46,948 INFO L87 Difference]: Start difference. First operand 597 states and 816 transitions. Second operand 4 states. [2019-10-03 00:48:47,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:48:47,963 INFO L93 Difference]: Finished difference Result 597 states and 815 transitions. [2019-10-03 00:48:47,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:48:47,963 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2019-10-03 00:48:47,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:48:47,968 INFO L225 Difference]: With dead ends: 597 [2019-10-03 00:48:47,968 INFO L226 Difference]: Without dead ends: 597 [2019-10-03 00:48:47,968 INFO L640 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 [2019-10-03 00:48:47,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2019-10-03 00:48:48,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2019-10-03 00:48:48,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2019-10-03 00:48:48,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 815 transitions. [2019-10-03 00:48:48,059 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 815 transitions. Word has length 48 [2019-10-03 00:48:48,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:48:48,059 INFO L475 AbstractCegarLoop]: Abstraction has 597 states and 815 transitions. [2019-10-03 00:48:48,060 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 00:48:48,060 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 815 transitions. [2019-10-03 00:48:48,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-03 00:48:48,068 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:48:48,068 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:48:48,069 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:48:48,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:48,069 INFO L82 PathProgramCache]: Analyzing trace with hash -214787652, now seen corresponding path program 1 times [2019-10-03 00:48:48,069 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:48:48,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:48,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:48:48,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:48,077 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:48:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:48:48,267 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 00:48:48,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:48:48,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 00:48:48,268 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:48:48,268 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 00:48:48,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 00:48:48,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 00:48:48,269 INFO L87 Difference]: Start difference. First operand 597 states and 815 transitions. Second operand 3 states. [2019-10-03 00:48:48,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:48:48,364 INFO L93 Difference]: Finished difference Result 608 states and 824 transitions. [2019-10-03 00:48:48,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 00:48:48,365 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2019-10-03 00:48:48,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:48:48,371 INFO L225 Difference]: With dead ends: 608 [2019-10-03 00:48:48,372 INFO L226 Difference]: Without dead ends: 608 [2019-10-03 00:48:48,372 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 00:48:48,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2019-10-03 00:48:48,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 597. [2019-10-03 00:48:48,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2019-10-03 00:48:48,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 814 transitions. [2019-10-03 00:48:48,415 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 814 transitions. Word has length 70 [2019-10-03 00:48:48,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:48:48,417 INFO L475 AbstractCegarLoop]: Abstraction has 597 states and 814 transitions. [2019-10-03 00:48:48,417 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 00:48:48,417 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 814 transitions. [2019-10-03 00:48:48,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-03 00:48:48,419 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 00:48:48,420 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 00:48:48,420 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 00:48:48,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 00:48:48,420 INFO L82 PathProgramCache]: Analyzing trace with hash 43377786, now seen corresponding path program 1 times [2019-10-03 00:48:48,420 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 00:48:48,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:48,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 00:48:48,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 00:48:48,427 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 00:48:48,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 00:48:48,676 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 00:48:48,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 00:48:48,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 00:48:48,676 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 00:48:48,678 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 00:48:48,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 00:48:48,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 00:48:48,679 INFO L87 Difference]: Start difference. First operand 597 states and 814 transitions. Second operand 6 states. [2019-10-03 00:48:50,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 00:48:50,375 INFO L93 Difference]: Finished difference Result 594 states and 811 transitions. [2019-10-03 00:48:50,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 00:48:50,375 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2019-10-03 00:48:50,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 00:48:50,376 INFO L225 Difference]: With dead ends: 594 [2019-10-03 00:48:50,376 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 00:48:50,377 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 00:48:50,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 00:48:50,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 00:48:50,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 00:48:50,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 00:48:50,378 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2019-10-03 00:48:50,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 00:48:50,378 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 00:48:50,379 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 00:48:50,379 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 00:48:50,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 00:48:50,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 12:48:50 BoogieIcfgContainer [2019-10-03 00:48:50,385 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 00:48:50,389 INFO L168 Benchmark]: Toolchain (without parser) took 13631.79 ms. Allocated memory was 138.9 MB in the beginning and 440.9 MB in the end (delta: 302.0 MB). Free memory was 78.1 MB in the beginning and 191.4 MB in the end (delta: -113.4 MB). Peak memory consumption was 188.6 MB. Max. memory is 7.1 GB. [2019-10-03 00:48:50,390 INFO L168 Benchmark]: CDTParser took 0.19 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-03 00:48:50,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1685.97 ms. Allocated memory was 138.9 MB in the beginning and 226.0 MB in the end (delta: 87.0 MB). Free memory was 77.7 MB in the beginning and 110.7 MB in the end (delta: -33.1 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. [2019-10-03 00:48:50,392 INFO L168 Benchmark]: Boogie Preprocessor took 251.27 ms. Allocated memory is still 226.0 MB. Free memory was 110.7 MB in the beginning and 98.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-10-03 00:48:50,393 INFO L168 Benchmark]: RCFGBuilder took 3775.64 ms. Allocated memory was 226.0 MB in the beginning and 369.6 MB in the end (delta: 143.7 MB). Free memory was 98.8 MB in the beginning and 275.2 MB in the end (delta: -176.5 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2019-10-03 00:48:50,394 INFO L168 Benchmark]: TraceAbstraction took 7911.13 ms. Allocated memory was 369.6 MB in the beginning and 440.9 MB in the end (delta: 71.3 MB). Free memory was 275.2 MB in the beginning and 191.4 MB in the end (delta: 83.8 MB). Peak memory consumption was 155.1 MB. Max. memory is 7.1 GB. [2019-10-03 00:48:50,399 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1685.97 ms. Allocated memory was 138.9 MB in the beginning and 226.0 MB in the end (delta: 87.0 MB). Free memory was 77.7 MB in the beginning and 110.7 MB in the end (delta: -33.1 MB). Peak memory consumption was 61.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 251.27 ms. Allocated memory is still 226.0 MB. Free memory was 110.7 MB in the beginning and 98.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3775.64 ms. Allocated memory was 226.0 MB in the beginning and 369.6 MB in the end (delta: 143.7 MB). Free memory was 98.8 MB in the beginning and 275.2 MB in the end (delta: -176.5 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7911.13 ms. Allocated memory was 369.6 MB in the beginning and 440.9 MB in the end (delta: 71.3 MB). Free memory was 275.2 MB in the beginning and 191.4 MB in the end (delta: 83.8 MB). Peak memory consumption was 155.1 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, 7.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 5.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3608 SDtfs, 3863 SDslu, 2697 SDs, 0 SdLazy, 1250 SolverSat, 422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.4s 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...