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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 10:51:02,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:51:02,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:51:02,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:51:02,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:51:02,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:51:02,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:51:02,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:51:02,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:51:02,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:51:02,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:51:02,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:51:02,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:51:02,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:51:02,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:51:02,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:51:02,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:51:02,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:51:02,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:51:02,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:51:02,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:51:02,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:51:02,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:51:02,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:51:02,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:51:02,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:51:02,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:51:02,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:51:02,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:51:02,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:51:02,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:51:02,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:51:02,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:51:02,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:51:02,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:51:02,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:51:02,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:51:02,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:51:02,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:51:02,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:51:02,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:51:02,779 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 10:51:02,795 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:51:02,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:51:02,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:51:02,796 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:51:02,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:51:02,797 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:51:02,797 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:51:02,797 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:51:02,797 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:51:02,798 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:51:02,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:51:02,798 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:51:02,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:51:02,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:51:02,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:51:02,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:51:02,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:51:02,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:51:02,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:51:02,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:51:02,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:51:02,800 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:51:02,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:51:02,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:51:02,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:51:02,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:51:02,801 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:51:02,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:51:02,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:51:02,802 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:51:02,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:51:02,842 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:51:02,845 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:51:02,847 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:51:02,847 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:51:02,848 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2019-09-10 10:51:02,906 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec04a0a15/0ed49f1b38834c2c99ec708c39c6fb70/FLAGcedad8b29 [2019-09-10 10:51:03,709 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:51:03,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2019-09-10 10:51:03,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec04a0a15/0ed49f1b38834c2c99ec708c39c6fb70/FLAGcedad8b29 [2019-09-10 10:51:04,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec04a0a15/0ed49f1b38834c2c99ec708c39c6fb70 [2019-09-10 10:51:04,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:51:04,242 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:51:04,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:51:04,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:51:04,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:51:04,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:51:04" (1/1) ... [2019-09-10 10:51:04,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db82788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:04, skipping insertion in model container [2019-09-10 10:51:04,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:51:04" (1/1) ... [2019-09-10 10:51:04,263 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:51:04,392 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:51:05,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:51:05,877 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:51:06,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:51:06,123 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:51:06,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:06 WrapperNode [2019-09-10 10:51:06,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:51:06,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:51:06,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:51:06,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:51:06,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:06" (1/1) ... [2019-09-10 10:51:06,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:06" (1/1) ... [2019-09-10 10:51:06,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:06" (1/1) ... [2019-09-10 10:51:06,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:06" (1/1) ... [2019-09-10 10:51:06,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:06" (1/1) ... [2019-09-10 10:51:06,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:06" (1/1) ... [2019-09-10 10:51:06,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:06" (1/1) ... [2019-09-10 10:51:06,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:51:06,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:51:06,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:51:06,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:51:06,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:51:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:51:06,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:51:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 10:51:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2019-09-10 10:51:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2019-09-10 10:51:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2019-09-10 10:51:06,487 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2019-09-10 10:51:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2019-09-10 10:51:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-09-10 10:51:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-10 10:51:06,488 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-10 10:51:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 10:51:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 10:51:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 10:51:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 10:51:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 10:51:06,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 10:51:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 10:51:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 10:51:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:51:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 10:51:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:51:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:51:06,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-10 10:51:06,494 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_probe [2019-09-10 10:51:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mirror [2019-09-10 10:51:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_found [2019-09-10 10:51:06,495 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_command [2019-09-10 10:51:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_status [2019-09-10 10:51:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_setmask [2019-09-10 10:51:06,496 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_reset [2019-09-10 10:51:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card [2019-09-10 10:51:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card [2019-09-10 10:51:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_init [2019-09-10 10:51:06,497 INFO L138 BoogieDeclarations]: Found implementation of procedure com90xx_exit [2019-09-10 10:51:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-09-10 10:51:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-09-10 10:51:06,498 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-09-10 10:51:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-09-10 10:51:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-09-10 10:51:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:51:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_2 [2019-09-10 10:51:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_3 [2019-09-10 10:51:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_4 [2019-09-10 10:51:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-09-10 10:51:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-09-10 10:51:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-09-10 10:51:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-09-10 10:51:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-09-10 10:51:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-09-10 10:51:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-09-10 10:51:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-09-10 10:51:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-09-10 10:51:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-09-10 10:51:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-09-10 10:51:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-09-10 10:51:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-09-10 10:51:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-09-10 10:51:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-09-10 10:51:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-09-10 10:51:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:51:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-10 10:51:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-09-10 10:51:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-09-10 10:51:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_arcdev [2019-09-10 10:51:06,508 INFO L138 BoogieDeclarations]: Found implementation of procedure arcnet_interrupt [2019-09-10 10:51:06,508 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-10 10:51:06,508 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-10 10:51:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2019-09-10 10:51:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2019-09-10 10:51:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:51:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 10:51:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_off [2019-09-10 10:51:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure probe_irq_on [2019-09-10 10:51:06,511 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-10 10:51:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-10 10:51:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-10 10:51:06,512 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:51:06,513 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:51:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 10:51:06,514 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 10:51:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:51:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:51:06,515 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 10:51:06,516 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-10 10:51:06,517 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-09-10 10:51:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-09-10 10:51:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2019-09-10 10:51:06,518 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2019-09-10 10:51:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2019-09-10 10:51:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2019-09-10 10:51:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 10:51:06,519 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2019-09-10 10:51:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2019-09-10 10:51:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 10:51:06,520 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2019-09-10 10:51:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-09-10 10:51:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-10 10:51:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-10 10:51:06,521 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-10 10:51:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_2 [2019-09-10 10:51:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-10 10:51:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_3 [2019-09-10 10:51:06,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_4 [2019-09-10 10:51:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_on [2019-09-10 10:51:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure probe_irq_off [2019-09-10 10:51:06,523 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:51:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 10:51:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 10:51:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 10:51:06,524 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 10:51:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 10:51:06,525 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 10:51:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:51:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 10:51:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:51:06,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 10:51:06,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 10:51:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 10:51:06,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 10:51:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 10:51:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 10:51:06,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 10:51:06,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:51:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 10:51:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:51:06,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-09-10 10:51:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-09-10 10:51:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-09-10 10:51:06,532 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-09-10 10:51:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-09-10 10:51:06,533 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-10 10:51:06,538 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-10 10:51:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-10 10:51:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-10 10:51:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure arcnet_interrupt [2019-09-10 10:51:06,539 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_arcdev [2019-09-10 10:51:06,540 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_found [2019-09-10 10:51:06,541 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_command [2019-09-10 10:51:06,545 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_status [2019-09-10 10:51:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_setmask [2019-09-10 10:51:06,546 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_reset [2019-09-10 10:51:06,547 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card [2019-09-10 10:51:06,553 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card [2019-09-10 10:51:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_probe [2019-09-10 10:51:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:51:06,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:51:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:51:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:51:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:51:06,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:51:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure check_mirror [2019-09-10 10:51:06,556 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_init [2019-09-10 10:51:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure com90xx_exit [2019-09-10 10:51:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:51:06,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:51:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:51:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-09-10 10:51:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-09-10 10:51:06,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-09-10 10:51:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-09-10 10:51:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-09-10 10:51:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-09-10 10:51:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-09-10 10:51:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-09-10 10:51:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-09-10 10:51:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 10:51:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-09-10 10:51:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-09-10 10:51:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-09-10 10:51:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-09-10 10:51:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-09-10 10:51:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-09-10 10:51:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-09-10 10:51:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:51:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:51:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:51:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:51:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:51:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:51:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 10:51:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 10:51:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 10:51:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 10:51:07,335 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 10:51:09,730 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-09-10 10:51:10,017 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:51:10,018 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 10:51:10,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:51:10 BoogieIcfgContainer [2019-09-10 10:51:10,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:51:10,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:51:10,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:51:10,025 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:51:10,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:51:04" (1/3) ... [2019-09-10 10:51:10,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8b834a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:51:10, skipping insertion in model container [2019-09-10 10:51:10,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:51:06" (2/3) ... [2019-09-10 10:51:10,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a8b834a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:51:10, skipping insertion in model container [2019-09-10 10:51:10,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:51:10" (3/3) ... [2019-09-10 10:51:10,034 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i [2019-09-10 10:51:10,044 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:51:10,055 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:51:10,073 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:51:10,107 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:51:10,107 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:51:10,107 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:51:10,107 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:51:10,107 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:51:10,107 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:51:10,108 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:51:10,108 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:51:10,145 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states. [2019-09-10 10:51:10,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-09-10 10:51:10,164 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:10,165 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:51:10,167 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:10,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:10,173 INFO L82 PathProgramCache]: Analyzing trace with hash -184778917, now seen corresponding path program 1 times [2019-09-10 10:51:10,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:10,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:10,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:10,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:10,257 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:10,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:51:10,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:10,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:10,803 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:10,809 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:10,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:10,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:10,827 INFO L87 Difference]: Start difference. First operand 602 states. Second operand 3 states. [2019-09-10 10:51:11,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:11,444 INFO L93 Difference]: Finished difference Result 612 states and 845 transitions. [2019-09-10 10:51:11,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:11,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-09-10 10:51:11,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:11,485 INFO L225 Difference]: With dead ends: 612 [2019-09-10 10:51:11,485 INFO L226 Difference]: Without dead ends: 595 [2019-09-10 10:51:11,487 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:11,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2019-09-10 10:51:11,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2019-09-10 10:51:11,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2019-09-10 10:51:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 820 transitions. [2019-09-10 10:51:11,579 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 820 transitions. Word has length 26 [2019-09-10 10:51:11,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:11,580 INFO L475 AbstractCegarLoop]: Abstraction has 595 states and 820 transitions. [2019-09-10 10:51:11,580 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:11,580 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 820 transitions. [2019-09-10 10:51:11,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-09-10 10:51:11,583 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:11,583 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:51:11,583 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:11,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:11,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1733148793, now seen corresponding path program 1 times [2019-09-10 10:51:11,584 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:11,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:11,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:11,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:11,587 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:11,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:51:11,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:11,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 10:51:11,751 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:11,753 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 10:51:11,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 10:51:11,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 10:51:11,754 INFO L87 Difference]: Start difference. First operand 595 states and 820 transitions. Second operand 5 states. [2019-09-10 10:51:14,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:14,020 INFO L93 Difference]: Finished difference Result 595 states and 818 transitions. [2019-09-10 10:51:14,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 10:51:14,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-09-10 10:51:14,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:14,026 INFO L225 Difference]: With dead ends: 595 [2019-09-10 10:51:14,027 INFO L226 Difference]: Without dead ends: 595 [2019-09-10 10:51:14,028 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-10 10:51:14,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2019-09-10 10:51:14,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2019-09-10 10:51:14,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2019-09-10 10:51:14,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 818 transitions. [2019-09-10 10:51:14,062 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 818 transitions. Word has length 38 [2019-09-10 10:51:14,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:14,063 INFO L475 AbstractCegarLoop]: Abstraction has 595 states and 818 transitions. [2019-09-10 10:51:14,063 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 10:51:14,063 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 818 transitions. [2019-09-10 10:51:14,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-09-10 10:51:14,065 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:14,065 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:51:14,065 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:14,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:14,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1744170053, now seen corresponding path program 1 times [2019-09-10 10:51:14,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:14,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:14,069 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:14,069 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:14,069 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:51:14,221 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:14,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 10:51:14,222 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:14,222 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 10:51:14,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 10:51:14,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 10:51:14,223 INFO L87 Difference]: Start difference. First operand 595 states and 818 transitions. Second operand 4 states. [2019-09-10 10:51:15,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:15,156 INFO L93 Difference]: Finished difference Result 595 states and 817 transitions. [2019-09-10 10:51:15,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:15,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2019-09-10 10:51:15,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:15,161 INFO L225 Difference]: With dead ends: 595 [2019-09-10 10:51:15,161 INFO L226 Difference]: Without dead ends: 595 [2019-09-10 10:51:15,162 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 10:51:15,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2019-09-10 10:51:15,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 595. [2019-09-10 10:51:15,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2019-09-10 10:51:15,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 817 transitions. [2019-09-10 10:51:15,187 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 817 transitions. Word has length 38 [2019-09-10 10:51:15,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:15,187 INFO L475 AbstractCegarLoop]: Abstraction has 595 states and 817 transitions. [2019-09-10 10:51:15,187 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 10:51:15,187 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 817 transitions. [2019-09-10 10:51:15,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-10 10:51:15,190 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:15,190 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:51:15,190 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:15,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:15,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1580104573, now seen corresponding path program 1 times [2019-09-10 10:51:15,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:15,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:15,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:15,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:15,194 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:15,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:51:15,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:15,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:15,329 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:15,329 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:15,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:15,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:15,330 INFO L87 Difference]: Start difference. First operand 595 states and 817 transitions. Second operand 3 states. [2019-09-10 10:51:15,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:15,412 INFO L93 Difference]: Finished difference Result 608 states and 832 transitions. [2019-09-10 10:51:15,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:15,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-09-10 10:51:15,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:15,416 INFO L225 Difference]: With dead ends: 608 [2019-09-10 10:51:15,416 INFO L226 Difference]: Without dead ends: 608 [2019-09-10 10:51:15,417 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:15,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2019-09-10 10:51:15,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 595. [2019-09-10 10:51:15,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2019-09-10 10:51:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 816 transitions. [2019-09-10 10:51:15,439 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 816 transitions. Word has length 60 [2019-09-10 10:51:15,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:15,440 INFO L475 AbstractCegarLoop]: Abstraction has 595 states and 816 transitions. [2019-09-10 10:51:15,440 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:15,440 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 816 transitions. [2019-09-10 10:51:15,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-10 10:51:15,442 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:15,442 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:51:15,443 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:15,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:15,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1637362875, now seen corresponding path program 1 times [2019-09-10 10:51:15,443 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:15,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:15,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:15,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:15,446 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:15,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:51:15,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:15,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:15,612 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:15,615 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:15,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:15,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:15,616 INFO L87 Difference]: Start difference. First operand 595 states and 816 transitions. Second operand 3 states. [2019-09-10 10:51:15,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:15,638 INFO L93 Difference]: Finished difference Result 594 states and 814 transitions. [2019-09-10 10:51:15,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:15,639 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-09-10 10:51:15,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:15,643 INFO L225 Difference]: With dead ends: 594 [2019-09-10 10:51:15,643 INFO L226 Difference]: Without dead ends: 594 [2019-09-10 10:51:15,644 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:15,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2019-09-10 10:51:15,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 594. [2019-09-10 10:51:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2019-09-10 10:51:15,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 814 transitions. [2019-09-10 10:51:15,664 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 814 transitions. Word has length 60 [2019-09-10 10:51:15,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:15,665 INFO L475 AbstractCegarLoop]: Abstraction has 594 states and 814 transitions. [2019-09-10 10:51:15,665 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:15,665 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 814 transitions. [2019-09-10 10:51:15,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-10 10:51:15,666 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:15,667 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:51:15,667 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:15,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:15,667 INFO L82 PathProgramCache]: Analyzing trace with hash -781700726, now seen corresponding path program 1 times [2019-09-10 10:51:15,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:15,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:15,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:15,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:15,670 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:15,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:51:15,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:15,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:15,838 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:15,839 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:15,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:15,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:15,841 INFO L87 Difference]: Start difference. First operand 594 states and 814 transitions. Second operand 3 states. [2019-09-10 10:51:15,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:15,855 INFO L93 Difference]: Finished difference Result 593 states and 812 transitions. [2019-09-10 10:51:15,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:15,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-09-10 10:51:15,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:15,860 INFO L225 Difference]: With dead ends: 593 [2019-09-10 10:51:15,860 INFO L226 Difference]: Without dead ends: 593 [2019-09-10 10:51:15,860 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:15,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2019-09-10 10:51:15,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2019-09-10 10:51:15,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2019-09-10 10:51:15,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 812 transitions. [2019-09-10 10:51:15,880 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 812 transitions. Word has length 61 [2019-09-10 10:51:15,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:15,882 INFO L475 AbstractCegarLoop]: Abstraction has 593 states and 812 transitions. [2019-09-10 10:51:15,882 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:15,883 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 812 transitions. [2019-09-10 10:51:15,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-09-10 10:51:15,884 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:15,884 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:51:15,884 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:15,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:15,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1536743838, now seen corresponding path program 1 times [2019-09-10 10:51:15,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:15,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:15,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:15,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:15,890 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:16,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:51:16,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:16,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:16,047 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:16,047 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:16,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:16,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:16,049 INFO L87 Difference]: Start difference. First operand 593 states and 812 transitions. Second operand 3 states. [2019-09-10 10:51:16,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:16,061 INFO L93 Difference]: Finished difference Result 592 states and 810 transitions. [2019-09-10 10:51:16,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:16,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2019-09-10 10:51:16,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:16,065 INFO L225 Difference]: With dead ends: 592 [2019-09-10 10:51:16,066 INFO L226 Difference]: Without dead ends: 592 [2019-09-10 10:51:16,066 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:16,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2019-09-10 10:51:16,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2019-09-10 10:51:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2019-09-10 10:51:16,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 810 transitions. [2019-09-10 10:51:16,084 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 810 transitions. Word has length 62 [2019-09-10 10:51:16,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:16,085 INFO L475 AbstractCegarLoop]: Abstraction has 592 states and 810 transitions. [2019-09-10 10:51:16,085 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:16,085 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 810 transitions. [2019-09-10 10:51:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-10 10:51:16,086 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:16,087 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:51:16,087 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:16,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:16,087 INFO L82 PathProgramCache]: Analyzing trace with hash 394086157, now seen corresponding path program 1 times [2019-09-10 10:51:16,087 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:16,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:16,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:16,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:16,090 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:16,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:51:16,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:16,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:16,282 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:16,283 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:16,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:16,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:16,286 INFO L87 Difference]: Start difference. First operand 592 states and 810 transitions. Second operand 3 states. [2019-09-10 10:51:16,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:16,300 INFO L93 Difference]: Finished difference Result 591 states and 808 transitions. [2019-09-10 10:51:16,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:16,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2019-09-10 10:51:16,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:16,304 INFO L225 Difference]: With dead ends: 591 [2019-09-10 10:51:16,304 INFO L226 Difference]: Without dead ends: 591 [2019-09-10 10:51:16,305 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:16,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2019-09-10 10:51:16,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2019-09-10 10:51:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2019-09-10 10:51:16,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 808 transitions. [2019-09-10 10:51:16,326 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 808 transitions. Word has length 63 [2019-09-10 10:51:16,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:16,326 INFO L475 AbstractCegarLoop]: Abstraction has 591 states and 808 transitions. [2019-09-10 10:51:16,326 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:16,326 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 808 transitions. [2019-09-10 10:51:16,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-10 10:51:16,327 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:51:16,328 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 10:51:16,328 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:51:16,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:51:16,328 INFO L82 PathProgramCache]: Analyzing trace with hash -668558719, now seen corresponding path program 1 times [2019-09-10 10:51:16,328 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:51:16,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:16,333 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:51:16,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:51:16,333 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:51:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:51:16,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 10:51:16,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:51:16,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:51:16,473 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:51:16,474 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:51:16,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:51:16,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:16,474 INFO L87 Difference]: Start difference. First operand 591 states and 808 transitions. Second operand 3 states. [2019-09-10 10:51:16,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:51:16,486 INFO L93 Difference]: Finished difference Result 588 states and 805 transitions. [2019-09-10 10:51:16,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:51:16,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-09-10 10:51:16,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:51:16,487 INFO L225 Difference]: With dead ends: 588 [2019-09-10 10:51:16,487 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 10:51:16,487 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:51:16,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 10:51:16,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 10:51:16,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 10:51:16,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 10:51:16,488 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2019-09-10 10:51:16,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:51:16,488 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 10:51:16,489 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:51:16,489 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 10:51:16,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 10:51:16,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:51:16 BoogieIcfgContainer [2019-09-10 10:51:16,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 10:51:16,498 INFO L168 Benchmark]: Toolchain (without parser) took 12253.48 ms. Allocated memory was 142.1 MB in the beginning and 408.4 MB in the end (delta: 266.3 MB). Free memory was 81.6 MB in the beginning and 277.4 MB in the end (delta: -195.8 MB). Peak memory consumption was 70.5 MB. Max. memory is 7.1 GB. [2019-09-10 10:51:16,499 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-10 10:51:16,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1880.86 ms. Allocated memory was 142.1 MB in the beginning and 227.0 MB in the end (delta: 84.9 MB). Free memory was 81.4 MB in the beginning and 115.0 MB in the end (delta: -33.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 7.1 GB. [2019-09-10 10:51:16,502 INFO L168 Benchmark]: Boogie Preprocessor took 235.33 ms. Allocated memory is still 227.0 MB. Free memory was 115.0 MB in the beginning and 103.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-10 10:51:16,503 INFO L168 Benchmark]: RCFGBuilder took 3659.53 ms. Allocated memory was 227.0 MB in the beginning and 337.1 MB in the end (delta: 110.1 MB). Free memory was 103.7 MB in the beginning and 221.1 MB in the end (delta: -117.3 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. [2019-09-10 10:51:16,510 INFO L168 Benchmark]: TraceAbstraction took 6472.35 ms. Allocated memory was 337.1 MB in the beginning and 408.4 MB in the end (delta: 71.3 MB). Free memory was 221.1 MB in the beginning and 277.4 MB in the end (delta: -56.3 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2019-09-10 10:51:16,517 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 142.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1880.86 ms. Allocated memory was 142.1 MB in the beginning and 227.0 MB in the end (delta: 84.9 MB). Free memory was 81.4 MB in the beginning and 115.0 MB in the end (delta: -33.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 235.33 ms. Allocated memory is still 227.0 MB. Free memory was 115.0 MB in the beginning and 103.7 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3659.53 ms. Allocated memory was 227.0 MB in the beginning and 337.1 MB in the end (delta: 110.1 MB). Free memory was 103.7 MB in the beginning and 221.1 MB in the end (delta: -117.3 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6472.35 ms. Allocated memory was 337.1 MB in the beginning and 408.4 MB in the end (delta: 71.3 MB). Free memory was 221.1 MB in the beginning and 277.4 MB in the end (delta: -56.3 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5165]: 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 81 procedures, 737 locations, 1 error locations. SAFE Result, 6.3s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6536 SDtfs, 6698 SDslu, 739 SDs, 0 SdLazy, 1038 SolverSat, 420 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=602occurred 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, 9 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 472 NumberOfCodeBlocks, 472 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 463 ConstructedInterpolants, 0 QuantifiedInterpolants, 50988 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...