/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 13:43:58,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 13:43:58,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 13:43:58,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 13:43:58,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 13:43:58,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 13:43:58,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 13:43:58,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 13:43:58,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 13:43:58,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 13:43:58,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 13:43:58,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 13:43:58,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 13:43:58,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 13:43:58,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 13:43:58,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 13:43:58,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 13:43:58,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 13:43:58,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 13:43:58,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 13:43:58,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 13:43:58,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 13:43:58,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 13:43:58,601 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 13:43:58,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 13:43:58,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 13:43:58,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 13:43:58,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 13:43:58,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 13:43:58,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 13:43:58,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 13:43:58,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 13:43:58,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 13:43:58,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 13:43:58,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 13:43:58,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 13:43:58,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 13:43:58,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 13:43:58,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 13:43:58,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 13:43:58,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 13:43:58,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 13:43:58,652 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 13:43:58,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 13:43:58,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 13:43:58,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 13:43:58,657 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 13:43:58,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 13:43:58,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 13:43:58,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 13:43:58,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 13:43:58,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 13:43:58,660 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 13:43:58,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 13:43:58,661 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 13:43:58,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 13:43:58,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 13:43:58,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 13:43:58,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 13:43:58,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 13:43:58,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 13:43:58,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 13:43:58,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 13:43:58,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 13:43:58,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 13:43:58,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 13:43:58,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 13:43:58,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 13:43:59,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 13:43:59,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 13:43:59,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 13:43:59,171 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 13:43:59,172 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 13:43:59,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2020-12-22 13:43:59,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0b1759ed/a1e861f08ebb4cc6ad5e2b6617d80bf0/FLAG14bb7d62b [2020-12-22 13:44:00,225 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 13:44:00,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2020-12-22 13:44:00,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0b1759ed/a1e861f08ebb4cc6ad5e2b6617d80bf0/FLAG14bb7d62b [2020-12-22 13:44:00,740 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0b1759ed/a1e861f08ebb4cc6ad5e2b6617d80bf0 [2020-12-22 13:44:00,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 13:44:00,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 13:44:00,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 13:44:00,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 13:44:00,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 13:44:00,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:44:00" (1/1) ... [2020-12-22 13:44:00,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec67615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:44:00, skipping insertion in model container [2020-12-22 13:44:00,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 01:44:00" (1/1) ... [2020-12-22 13:44:00,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 13:44:00,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 13:44:01,541 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2020-12-22 13:44:01,542 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3509-3510] [2020-12-22 13:44:01,543 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3511-3513] [2020-12-22 13:44:01,543 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3514-3515] [2020-12-22 13:44:01,543 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2020-12-22 13:44:01,544 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3522-3523] [2020-12-22 13:44:01,544 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2020-12-22 13:44:01,545 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2020-12-22 13:44:01,557 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2020-12-22 13:44:01,557 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2020-12-22 13:44:01,557 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2020-12-22 13:44:01,558 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2020-12-22 13:44:01,559 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2020-12-22 13:44:01,559 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2020-12-22 13:44:01,868 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i[130795,130808] [2020-12-22 13:44:02,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 13:44:02,507 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 13:44:02,659 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2020-12-22 13:44:02,659 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3509-3510] [2020-12-22 13:44:02,660 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3511-3513] [2020-12-22 13:44:02,662 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3514-3515] [2020-12-22 13:44:02,662 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2020-12-22 13:44:02,663 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3522-3523] [2020-12-22 13:44:02,664 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2020-12-22 13:44:02,665 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2020-12-22 13:44:02,681 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2020-12-22 13:44:02,682 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2020-12-22 13:44:02,682 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2020-12-22 13:44:02,683 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2020-12-22 13:44:02,683 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2020-12-22 13:44:02,683 WARN L1208 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2020-12-22 13:44:02,736 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i[130795,130808] [2020-12-22 13:44:03,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 13:44:03,287 INFO L208 MainTranslator]: Completed translation [2020-12-22 13:44:03,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:44:03 WrapperNode [2020-12-22 13:44:03,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 13:44:03,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 13:44:03,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 13:44:03,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 13:44:03,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:44:03" (1/1) ... [2020-12-22 13:44:03,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:44:03" (1/1) ... [2020-12-22 13:44:03,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 13:44:03,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 13:44:03,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 13:44:03,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 13:44:03,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:44:03" (1/1) ... [2020-12-22 13:44:03,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:44:03" (1/1) ... [2020-12-22 13:44:03,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:44:03" (1/1) ... [2020-12-22 13:44:03,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:44:03" (1/1) ... [2020-12-22 13:44:04,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:44:03" (1/1) ... [2020-12-22 13:44:04,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:44:03" (1/1) ... [2020-12-22 13:44:04,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:44:03" (1/1) ... [2020-12-22 13:44:04,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 13:44:04,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 13:44:04,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 13:44:04,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 13:44:04,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:44:03" (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 [2020-12-22 13:44:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 13:44:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 13:44:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 13:44:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 13:44:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 13:44:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 13:44:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2020-12-22 13:44:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 13:44:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 13:44:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 13:44:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 13:44:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 13:44:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 13:44:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 13:44:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 13:44:04,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 13:44:29,038 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 13:44:29,039 INFO L299 CfgBuilder]: Removed 1401 assume(true) statements. [2020-12-22 13:44:29,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:44:29 BoogieIcfgContainer [2020-12-22 13:44:29,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 13:44:29,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 13:44:29,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 13:44:29,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 13:44:29,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 01:44:00" (1/3) ... [2020-12-22 13:44:29,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b73caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:44:29, skipping insertion in model container [2020-12-22 13:44:29,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 01:44:03" (2/3) ... [2020-12-22 13:44:29,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72b73caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 01:44:29, skipping insertion in model container [2020-12-22 13:44:29,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:44:29" (3/3) ... [2020-12-22 13:44:29,055 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2020-12-22 13:44:29,062 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 13:44:29,069 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-12-22 13:44:29,092 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-12-22 13:44:29,130 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 13:44:29,130 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 13:44:29,130 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 13:44:29,131 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 13:44:29,131 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 13:44:29,131 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 13:44:29,131 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 13:44:29,131 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 13:44:29,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states. [2020-12-22 13:44:29,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-22 13:44:29,194 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:44:29,195 INFO L422 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] [2020-12-22 13:44:29,196 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:44:29,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:44:29,203 INFO L82 PathProgramCache]: Analyzing trace with hash 666057958, now seen corresponding path program 1 times [2020-12-22 13:44:29,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:44:29,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670767002] [2020-12-22 13:44:29,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:44:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:44:29,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:44:29,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670767002] [2020-12-22 13:44:29,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:44:29,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:44:29,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581655825] [2020-12-22 13:44:29,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:44:29,998 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:44:30,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:44:30,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:44:30,024 INFO L87 Difference]: Start difference. First operand 1817 states. Second operand 3 states. [2020-12-22 13:44:30,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:44:30,839 INFO L93 Difference]: Finished difference Result 2765 states and 4178 transitions. [2020-12-22 13:44:30,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:44:30,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2020-12-22 13:44:30,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:44:30,879 INFO L225 Difference]: With dead ends: 2765 [2020-12-22 13:44:30,879 INFO L226 Difference]: Without dead ends: 931 [2020-12-22 13:44:30,895 INFO L677 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 [2020-12-22 13:44:30,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2020-12-22 13:44:31,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 931. [2020-12-22 13:44:31,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2020-12-22 13:44:31,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1281 transitions. [2020-12-22 13:44:31,043 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1281 transitions. Word has length 31 [2020-12-22 13:44:31,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:44:31,044 INFO L481 AbstractCegarLoop]: Abstraction has 931 states and 1281 transitions. [2020-12-22 13:44:31,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:44:31,045 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1281 transitions. [2020-12-22 13:44:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 13:44:31,055 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:44:31,055 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:44:31,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 13:44:31,059 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:44:31,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:44:31,060 INFO L82 PathProgramCache]: Analyzing trace with hash 361424456, now seen corresponding path program 1 times [2020-12-22 13:44:31,060 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:44:31,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444355022] [2020-12-22 13:44:31,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:44:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:44:31,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:44:31,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444355022] [2020-12-22 13:44:31,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:44:31,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:44:31,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284486637] [2020-12-22 13:44:31,424 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:44:31,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:44:31,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:44:31,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:44:31,427 INFO L87 Difference]: Start difference. First operand 931 states and 1281 transitions. Second operand 3 states. [2020-12-22 13:44:34,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:44:34,186 INFO L93 Difference]: Finished difference Result 1924 states and 2684 transitions. [2020-12-22 13:44:34,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:44:34,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-22 13:44:34,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:44:34,193 INFO L225 Difference]: With dead ends: 1924 [2020-12-22 13:44:34,193 INFO L226 Difference]: Without dead ends: 1021 [2020-12-22 13:44:34,196 INFO L677 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 [2020-12-22 13:44:34,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2020-12-22 13:44:34,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1021. [2020-12-22 13:44:34,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1021 states. [2020-12-22 13:44:34,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1402 transitions. [2020-12-22 13:44:34,226 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1402 transitions. Word has length 52 [2020-12-22 13:44:34,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:44:34,227 INFO L481 AbstractCegarLoop]: Abstraction has 1021 states and 1402 transitions. [2020-12-22 13:44:34,227 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:44:34,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1402 transitions. [2020-12-22 13:44:34,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 13:44:34,229 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:44:34,229 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:44:34,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 13:44:34,230 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:44:34,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:44:34,230 INFO L82 PathProgramCache]: Analyzing trace with hash 403906542, now seen corresponding path program 1 times [2020-12-22 13:44:34,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:44:34,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402254328] [2020-12-22 13:44:34,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:44:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:44:34,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 13:44:34,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402254328] [2020-12-22 13:44:34,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:44:34,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:44:34,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466077594] [2020-12-22 13:44:34,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:44:34,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:44:34,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:44:34,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:44:34,490 INFO L87 Difference]: Start difference. First operand 1021 states and 1402 transitions. Second operand 3 states. [2020-12-22 13:44:42,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:44:42,675 INFO L93 Difference]: Finished difference Result 2018 states and 2779 transitions. [2020-12-22 13:44:42,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:44:42,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-12-22 13:44:42,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:44:42,684 INFO L225 Difference]: With dead ends: 2018 [2020-12-22 13:44:42,684 INFO L226 Difference]: Without dead ends: 1025 [2020-12-22 13:44:42,687 INFO L677 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 [2020-12-22 13:44:42,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2020-12-22 13:44:42,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 1025. [2020-12-22 13:44:42,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1025 states. [2020-12-22 13:44:42,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1406 transitions. [2020-12-22 13:44:42,718 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1406 transitions. Word has length 56 [2020-12-22 13:44:42,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:44:42,719 INFO L481 AbstractCegarLoop]: Abstraction has 1025 states and 1406 transitions. [2020-12-22 13:44:42,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:44:42,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1406 transitions. [2020-12-22 13:44:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-22 13:44:42,721 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:44:42,721 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:44:42,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 13:44:42,721 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:44:42,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:44:42,722 INFO L82 PathProgramCache]: Analyzing trace with hash 403966124, now seen corresponding path program 1 times [2020-12-22 13:44:42,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:44:42,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336603675] [2020-12-22 13:44:42,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:44:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:44:43,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 13:44:43,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336603675] [2020-12-22 13:44:43,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:44:43,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 13:44:43,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345191626] [2020-12-22 13:44:43,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 13:44:43,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:44:43,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 13:44:43,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 13:44:43,097 INFO L87 Difference]: Start difference. First operand 1025 states and 1406 transitions. Second operand 4 states. [2020-12-22 13:44:44,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:44:44,154 INFO L93 Difference]: Finished difference Result 2914 states and 4011 transitions. [2020-12-22 13:44:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 13:44:44,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2020-12-22 13:44:44,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:44:44,167 INFO L225 Difference]: With dead ends: 2914 [2020-12-22 13:44:44,168 INFO L226 Difference]: Without dead ends: 1914 [2020-12-22 13:44:44,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:44:44,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2020-12-22 13:44:44,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1025. [2020-12-22 13:44:44,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1025 states. [2020-12-22 13:44:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1405 transitions. [2020-12-22 13:44:44,211 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1405 transitions. Word has length 56 [2020-12-22 13:44:44,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:44:44,211 INFO L481 AbstractCegarLoop]: Abstraction has 1025 states and 1405 transitions. [2020-12-22 13:44:44,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 13:44:44,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1405 transitions. [2020-12-22 13:44:44,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 13:44:44,213 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:44:44,213 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:44:44,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 13:44:44,214 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:44:44,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:44:44,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1262603864, now seen corresponding path program 1 times [2020-12-22 13:44:44,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:44:44,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380647750] [2020-12-22 13:44:44,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:44:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:44:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 13:44:44,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380647750] [2020-12-22 13:44:44,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:44:44,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 13:44:44,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708441460] [2020-12-22 13:44:44,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 13:44:44,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:44:44,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 13:44:44,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 13:44:44,836 INFO L87 Difference]: Start difference. First operand 1025 states and 1405 transitions. Second operand 7 states. [2020-12-22 13:44:58,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:44:58,456 INFO L93 Difference]: Finished difference Result 8265 states and 11537 transitions. [2020-12-22 13:44:58,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-22 13:44:58,458 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-12-22 13:44:58,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:44:58,510 INFO L225 Difference]: With dead ends: 8265 [2020-12-22 13:44:58,510 INFO L226 Difference]: Without dead ends: 8249 [2020-12-22 13:44:58,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-12-22 13:44:58,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8249 states. [2020-12-22 13:44:58,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8249 to 1974. [2020-12-22 13:44:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1974 states. [2020-12-22 13:44:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 1974 states and 2727 transitions. [2020-12-22 13:44:58,675 INFO L78 Accepts]: Start accepts. Automaton has 1974 states and 2727 transitions. Word has length 58 [2020-12-22 13:44:58,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:44:58,677 INFO L481 AbstractCegarLoop]: Abstraction has 1974 states and 2727 transitions. [2020-12-22 13:44:58,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 13:44:58,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2727 transitions. [2020-12-22 13:44:58,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-22 13:44:58,681 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:44:58,681 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:44:58,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 13:44:58,682 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:44:58,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:44:58,688 INFO L82 PathProgramCache]: Analyzing trace with hash -596405054, now seen corresponding path program 1 times [2020-12-22 13:44:58,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:44:58,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051131601] [2020-12-22 13:44:58,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:44:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:44:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-22 13:44:58,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051131601] [2020-12-22 13:44:58,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:44:58,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:44:58,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965329735] [2020-12-22 13:44:58,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:44:58,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:44:58,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:44:58,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:44:58,998 INFO L87 Difference]: Start difference. First operand 1974 states and 2727 transitions. Second operand 3 states. [2020-12-22 13:45:01,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:45:01,733 INFO L93 Difference]: Finished difference Result 4100 states and 5732 transitions. [2020-12-22 13:45:01,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:45:01,734 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-22 13:45:01,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:45:01,746 INFO L225 Difference]: With dead ends: 4100 [2020-12-22 13:45:01,746 INFO L226 Difference]: Without dead ends: 2154 [2020-12-22 13:45:01,750 INFO L677 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 [2020-12-22 13:45:01,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2154 states. [2020-12-22 13:45:01,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2154 to 2154. [2020-12-22 13:45:01,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2154 states. [2020-12-22 13:45:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 2969 transitions. [2020-12-22 13:45:01,867 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 2969 transitions. Word has length 73 [2020-12-22 13:45:01,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:45:01,868 INFO L481 AbstractCegarLoop]: Abstraction has 2154 states and 2969 transitions. [2020-12-22 13:45:01,868 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:45:01,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2969 transitions. [2020-12-22 13:45:01,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-22 13:45:01,870 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:45:01,870 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:45:01,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 13:45:01,871 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:45:01,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:45:01,872 INFO L82 PathProgramCache]: Analyzing trace with hash -591201673, now seen corresponding path program 1 times [2020-12-22 13:45:01,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:45:01,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846482640] [2020-12-22 13:45:01,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:45:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:45:02,690 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-22 13:45:02,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846482640] [2020-12-22 13:45:02,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089324171] [2020-12-22 13:45:02,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 13:45:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:45:03,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 1808 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-22 13:45:03,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 13:45:03,781 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-22 13:45:03,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 13:45:03,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2020-12-22 13:45:03,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006452477] [2020-12-22 13:45:03,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 13:45:03,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:45:03,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 13:45:03,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-22 13:45:03,785 INFO L87 Difference]: Start difference. First operand 2154 states and 2969 transitions. Second operand 5 states. [2020-12-22 13:45:06,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:45:06,182 INFO L93 Difference]: Finished difference Result 6374 states and 8795 transitions. [2020-12-22 13:45:06,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 13:45:06,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 80 [2020-12-22 13:45:06,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:45:06,208 INFO L225 Difference]: With dead ends: 6374 [2020-12-22 13:45:06,208 INFO L226 Difference]: Without dead ends: 4192 [2020-12-22 13:45:06,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-12-22 13:45:06,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4192 states. [2020-12-22 13:45:06,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4192 to 2138. [2020-12-22 13:45:06,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2138 states. [2020-12-22 13:45:06,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 2138 states and 2937 transitions. [2020-12-22 13:45:06,534 INFO L78 Accepts]: Start accepts. Automaton has 2138 states and 2937 transitions. Word has length 80 [2020-12-22 13:45:06,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:45:06,535 INFO L481 AbstractCegarLoop]: Abstraction has 2138 states and 2937 transitions. [2020-12-22 13:45:06,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 13:45:06,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2937 transitions. [2020-12-22 13:45:06,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-22 13:45:06,537 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:45:06,537 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:45:06,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-22 13:45:06,751 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:45:06,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:45:06,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1346059703, now seen corresponding path program 1 times [2020-12-22 13:45:06,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:45:06,752 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710016747] [2020-12-22 13:45:06,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:45:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:45:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-22 13:45:07,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710016747] [2020-12-22 13:45:07,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341762435] [2020-12-22 13:45:07,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 13:45:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:45:17,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 1910 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-22 13:45:17,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 13:45:17,526 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-12-22 13:45:17,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 13:45:17,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-12-22 13:45:17,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101001907] [2020-12-22 13:45:17,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:45:17,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:45:17,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:45:17,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 13:45:17,529 INFO L87 Difference]: Start difference. First operand 2138 states and 2937 transitions. Second operand 3 states. [2020-12-22 13:45:19,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:45:19,864 INFO L93 Difference]: Finished difference Result 3194 states and 4390 transitions. [2020-12-22 13:45:19,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:45:19,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-12-22 13:45:19,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:45:19,882 INFO L225 Difference]: With dead ends: 3194 [2020-12-22 13:45:19,882 INFO L226 Difference]: Without dead ends: 3178 [2020-12-22 13:45:19,884 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-22 13:45:19,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3178 states. [2020-12-22 13:45:19,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3178 to 2142. [2020-12-22 13:45:19,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2142 states. [2020-12-22 13:45:19,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 2142 states and 2941 transitions. [2020-12-22 13:45:19,996 INFO L78 Accepts]: Start accepts. Automaton has 2142 states and 2941 transitions. Word has length 86 [2020-12-22 13:45:19,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:45:19,997 INFO L481 AbstractCegarLoop]: Abstraction has 2142 states and 2941 transitions. [2020-12-22 13:45:19,997 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:45:19,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2941 transitions. [2020-12-22 13:45:20,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-22 13:45:20,009 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:45:20,009 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:45:20,222 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 13:45:20,223 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:45:20,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:45:20,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1531915141, now seen corresponding path program 1 times [2020-12-22 13:45:20,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:45:20,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403191293] [2020-12-22 13:45:20,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:45:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:45:20,438 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-22 13:45:20,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403191293] [2020-12-22 13:45:20,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:45:20,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 13:45:20,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105985018] [2020-12-22 13:45:20,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 13:45:20,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:45:20,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 13:45:20,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 13:45:20,441 INFO L87 Difference]: Start difference. First operand 2142 states and 2941 transitions. Second operand 4 states. [2020-12-22 13:45:22,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:45:22,799 INFO L93 Difference]: Finished difference Result 5286 states and 7222 transitions. [2020-12-22 13:45:22,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 13:45:22,800 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2020-12-22 13:45:22,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:45:22,816 INFO L225 Difference]: With dead ends: 5286 [2020-12-22 13:45:22,816 INFO L226 Difference]: Without dead ends: 3172 [2020-12-22 13:45:22,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:45:22,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3172 states. [2020-12-22 13:45:22,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3172 to 2146. [2020-12-22 13:45:22,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2146 states. [2020-12-22 13:45:22,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2945 transitions. [2020-12-22 13:45:22,945 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2945 transitions. Word has length 94 [2020-12-22 13:45:22,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:45:22,945 INFO L481 AbstractCegarLoop]: Abstraction has 2146 states and 2945 transitions. [2020-12-22 13:45:22,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 13:45:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2945 transitions. [2020-12-22 13:45:22,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-22 13:45:22,948 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:45:22,948 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:45:22,949 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 13:45:22,949 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:45:22,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:45:22,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1197144400, now seen corresponding path program 1 times [2020-12-22 13:45:22,950 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:45:22,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274674760] [2020-12-22 13:45:22,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:45:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:45:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-22 13:45:23,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274674760] [2020-12-22 13:45:23,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:45:23,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:45:23,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600457730] [2020-12-22 13:45:23,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:45:23,139 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:45:23,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:45:23,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:45:23,140 INFO L87 Difference]: Start difference. First operand 2146 states and 2945 transitions. Second operand 3 states. [2020-12-22 13:45:25,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:45:25,858 INFO L93 Difference]: Finished difference Result 4440 states and 6160 transitions. [2020-12-22 13:45:25,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:45:25,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-22 13:45:25,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:45:25,869 INFO L225 Difference]: With dead ends: 4440 [2020-12-22 13:45:25,869 INFO L226 Difference]: Without dead ends: 2322 [2020-12-22 13:45:25,873 INFO L677 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 [2020-12-22 13:45:25,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2020-12-22 13:45:25,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 2322. [2020-12-22 13:45:25,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2322 states. [2020-12-22 13:45:25,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 2322 states and 3179 transitions. [2020-12-22 13:45:25,997 INFO L78 Accepts]: Start accepts. Automaton has 2322 states and 3179 transitions. Word has length 99 [2020-12-22 13:45:25,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:45:25,998 INFO L481 AbstractCegarLoop]: Abstraction has 2322 states and 3179 transitions. [2020-12-22 13:45:25,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:45:25,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 3179 transitions. [2020-12-22 13:45:26,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-22 13:45:26,001 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:45:26,001 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:45:26,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 13:45:26,002 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:45:26,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:45:26,004 INFO L82 PathProgramCache]: Analyzing trace with hash -525453231, now seen corresponding path program 1 times [2020-12-22 13:45:26,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:45:26,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903495564] [2020-12-22 13:45:26,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:45:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:45:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-22 13:45:26,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903495564] [2020-12-22 13:45:26,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:45:26,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 13:45:26,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783610009] [2020-12-22 13:45:26,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:45:26,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:45:26,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:45:26,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:45:26,254 INFO L87 Difference]: Start difference. First operand 2322 states and 3179 transitions. Second operand 3 states. [2020-12-22 13:45:26,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:45:26,625 INFO L93 Difference]: Finished difference Result 4616 states and 6326 transitions. [2020-12-22 13:45:26,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:45:26,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-12-22 13:45:26,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:45:26,646 INFO L225 Difference]: With dead ends: 4616 [2020-12-22 13:45:26,646 INFO L226 Difference]: Without dead ends: 2322 [2020-12-22 13:45:26,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:45:26,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2020-12-22 13:45:26,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 2322. [2020-12-22 13:45:26,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2322 states. [2020-12-22 13:45:26,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 2322 states and 3082 transitions. [2020-12-22 13:45:26,794 INFO L78 Accepts]: Start accepts. Automaton has 2322 states and 3082 transitions. Word has length 125 [2020-12-22 13:45:26,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:45:26,795 INFO L481 AbstractCegarLoop]: Abstraction has 2322 states and 3082 transitions. [2020-12-22 13:45:26,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:45:26,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 3082 transitions. [2020-12-22 13:45:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-22 13:45:26,799 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:45:26,799 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:45:26,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 13:45:26,800 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:45:26,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:45:26,800 INFO L82 PathProgramCache]: Analyzing trace with hash -990866799, now seen corresponding path program 1 times [2020-12-22 13:45:26,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:45:26,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119418069] [2020-12-22 13:45:26,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:45:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:45:27,017 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-22 13:45:27,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119418069] [2020-12-22 13:45:27,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:45:27,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 13:45:27,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218343904] [2020-12-22 13:45:27,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 13:45:27,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:45:27,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 13:45:27,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 13:45:27,020 INFO L87 Difference]: Start difference. First operand 2322 states and 3082 transitions. Second operand 4 states. [2020-12-22 13:45:29,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:45:29,369 INFO L93 Difference]: Finished difference Result 6234 states and 8220 transitions. [2020-12-22 13:45:29,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 13:45:29,370 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2020-12-22 13:45:29,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:45:29,379 INFO L225 Difference]: With dead ends: 6234 [2020-12-22 13:45:29,379 INFO L226 Difference]: Without dead ends: 3940 [2020-12-22 13:45:29,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:45:29,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2020-12-22 13:45:29,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 2326. [2020-12-22 13:45:29,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2326 states. [2020-12-22 13:45:29,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2326 states to 2326 states and 3086 transitions. [2020-12-22 13:45:29,521 INFO L78 Accepts]: Start accepts. Automaton has 2326 states and 3086 transitions. Word has length 125 [2020-12-22 13:45:29,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:45:29,521 INFO L481 AbstractCegarLoop]: Abstraction has 2326 states and 3086 transitions. [2020-12-22 13:45:29,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 13:45:29,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2326 states and 3086 transitions. [2020-12-22 13:45:29,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-22 13:45:29,525 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:45:29,526 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:45:29,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 13:45:29,526 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:45:29,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:45:29,527 INFO L82 PathProgramCache]: Analyzing trace with hash 860207890, now seen corresponding path program 1 times [2020-12-22 13:45:29,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:45:29,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501832767] [2020-12-22 13:45:29,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:45:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:45:29,736 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-22 13:45:29,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501832767] [2020-12-22 13:45:29,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:45:29,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:45:29,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505180809] [2020-12-22 13:45:29,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:45:29,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:45:29,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:45:29,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:45:29,739 INFO L87 Difference]: Start difference. First operand 2326 states and 3086 transitions. Second operand 3 states. [2020-12-22 13:45:29,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:45:29,863 INFO L93 Difference]: Finished difference Result 4626 states and 6144 transitions. [2020-12-22 13:45:29,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:45:29,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-12-22 13:45:29,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:45:29,870 INFO L225 Difference]: With dead ends: 4626 [2020-12-22 13:45:29,870 INFO L226 Difference]: Without dead ends: 2328 [2020-12-22 13:45:29,875 INFO L677 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 [2020-12-22 13:45:29,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2328 states. [2020-12-22 13:45:30,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2328 to 2328. [2020-12-22 13:45:30,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2328 states. [2020-12-22 13:45:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 2328 states and 3088 transitions. [2020-12-22 13:45:30,018 INFO L78 Accepts]: Start accepts. Automaton has 2328 states and 3088 transitions. Word has length 153 [2020-12-22 13:45:30,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:45:30,018 INFO L481 AbstractCegarLoop]: Abstraction has 2328 states and 3088 transitions. [2020-12-22 13:45:30,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:45:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 3088 transitions. [2020-12-22 13:45:30,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-22 13:45:30,022 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:45:30,023 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:45:30,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 13:45:30,023 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:45:30,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:45:30,024 INFO L82 PathProgramCache]: Analyzing trace with hash 350734800, now seen corresponding path program 1 times [2020-12-22 13:45:30,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:45:30,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61098617] [2020-12-22 13:45:30,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:45:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:45:30,286 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-22 13:45:30,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61098617] [2020-12-22 13:45:30,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:45:30,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 13:45:30,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591867282] [2020-12-22 13:45:30,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 13:45:30,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:45:30,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 13:45:30,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 13:45:30,294 INFO L87 Difference]: Start difference. First operand 2328 states and 3088 transitions. Second operand 3 states. [2020-12-22 13:45:30,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:45:30,412 INFO L93 Difference]: Finished difference Result 4630 states and 6148 transitions. [2020-12-22 13:45:30,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 13:45:30,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-12-22 13:45:30,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:45:30,419 INFO L225 Difference]: With dead ends: 4630 [2020-12-22 13:45:30,419 INFO L226 Difference]: Without dead ends: 2330 [2020-12-22 13:45:30,424 INFO L677 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 [2020-12-22 13:45:30,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2330 states. [2020-12-22 13:45:30,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2330 to 2330. [2020-12-22 13:45:30,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2330 states. [2020-12-22 13:45:30,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 3090 transitions. [2020-12-22 13:45:30,553 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 3090 transitions. Word has length 153 [2020-12-22 13:45:30,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:45:30,554 INFO L481 AbstractCegarLoop]: Abstraction has 2330 states and 3090 transitions. [2020-12-22 13:45:30,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 13:45:30,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 3090 transitions. [2020-12-22 13:45:30,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-22 13:45:30,557 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:45:30,558 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:45:30,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 13:45:30,558 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:45:30,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:45:30,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1454703534, now seen corresponding path program 1 times [2020-12-22 13:45:30,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:45:30,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314800158] [2020-12-22 13:45:30,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:45:30,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:45:30,831 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-22 13:45:30,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314800158] [2020-12-22 13:45:30,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:45:30,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 13:45:30,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986564915] [2020-12-22 13:45:30,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 13:45:30,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:45:30,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 13:45:30,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 13:45:30,834 INFO L87 Difference]: Start difference. First operand 2330 states and 3090 transitions. Second operand 4 states. [2020-12-22 13:45:31,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:45:31,048 INFO L93 Difference]: Finished difference Result 4638 states and 6156 transitions. [2020-12-22 13:45:31,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 13:45:31,049 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2020-12-22 13:45:31,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:45:31,053 INFO L225 Difference]: With dead ends: 4638 [2020-12-22 13:45:31,054 INFO L226 Difference]: Without dead ends: 2336 [2020-12-22 13:45:31,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 13:45:31,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2020-12-22 13:45:31,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 2334. [2020-12-22 13:45:31,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2334 states. [2020-12-22 13:45:31,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 3094 transitions. [2020-12-22 13:45:31,175 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 3094 transitions. Word has length 153 [2020-12-22 13:45:31,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:45:31,176 INFO L481 AbstractCegarLoop]: Abstraction has 2334 states and 3094 transitions. [2020-12-22 13:45:31,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 13:45:31,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 3094 transitions. [2020-12-22 13:45:31,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-22 13:45:31,180 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:45:31,180 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:45:31,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 13:45:31,180 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:45:31,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:45:31,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1314154924, now seen corresponding path program 1 times [2020-12-22 13:45:31,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:45:31,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461212339] [2020-12-22 13:45:31,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:45:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:45:31,547 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-22 13:45:31,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461212339] [2020-12-22 13:45:31,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:45:31,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 13:45:31,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73065445] [2020-12-22 13:45:31,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 13:45:31,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:45:31,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 13:45:31,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 13:45:31,550 INFO L87 Difference]: Start difference. First operand 2334 states and 3094 transitions. Second operand 6 states. [2020-12-22 13:45:33,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:45:33,963 INFO L93 Difference]: Finished difference Result 12922 states and 17110 transitions. [2020-12-22 13:45:33,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-22 13:45:33,964 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2020-12-22 13:45:33,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:45:33,989 INFO L225 Difference]: With dead ends: 12922 [2020-12-22 13:45:33,989 INFO L226 Difference]: Without dead ends: 10616 [2020-12-22 13:45:33,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-12-22 13:45:34,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10616 states. [2020-12-22 13:45:34,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10616 to 2342. [2020-12-22 13:45:34,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2342 states. [2020-12-22 13:45:34,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 3102 transitions. [2020-12-22 13:45:34,299 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 3102 transitions. Word has length 153 [2020-12-22 13:45:34,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:45:34,299 INFO L481 AbstractCegarLoop]: Abstraction has 2342 states and 3102 transitions. [2020-12-22 13:45:34,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 13:45:34,299 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 3102 transitions. [2020-12-22 13:45:34,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-22 13:45:34,303 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:45:34,303 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:45:34,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-22 13:45:34,304 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:45:34,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:45:34,306 INFO L82 PathProgramCache]: Analyzing trace with hash 707316216, now seen corresponding path program 1 times [2020-12-22 13:45:34,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:45:34,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909437066] [2020-12-22 13:45:34,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:45:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 13:45:34,722 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-22 13:45:34,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909437066] [2020-12-22 13:45:34,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 13:45:34,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 13:45:34,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705513112] [2020-12-22 13:45:34,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 13:45:34,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 13:45:34,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 13:45:34,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-22 13:45:34,725 INFO L87 Difference]: Start difference. First operand 2342 states and 3102 transitions. Second operand 7 states. [2020-12-22 13:45:39,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 13:45:39,454 INFO L93 Difference]: Finished difference Result 24750 states and 32850 transitions. [2020-12-22 13:45:39,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-22 13:45:39,455 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 155 [2020-12-22 13:45:39,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 13:45:39,501 INFO L225 Difference]: With dead ends: 24750 [2020-12-22 13:45:39,502 INFO L226 Difference]: Without dead ends: 22436 [2020-12-22 13:45:39,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=172, Invalid=478, Unknown=0, NotChecked=0, Total=650 [2020-12-22 13:45:39,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22436 states. [2020-12-22 13:45:39,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22436 to 2352. [2020-12-22 13:45:39,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2352 states. [2020-12-22 13:45:39,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 2352 states and 3112 transitions. [2020-12-22 13:45:39,874 INFO L78 Accepts]: Start accepts. Automaton has 2352 states and 3112 transitions. Word has length 155 [2020-12-22 13:45:39,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 13:45:39,874 INFO L481 AbstractCegarLoop]: Abstraction has 2352 states and 3112 transitions. [2020-12-22 13:45:39,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 13:45:39,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 3112 transitions. [2020-12-22 13:45:39,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-22 13:45:39,878 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 13:45:39,879 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 13:45:39,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-22 13:45:39,879 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 13:45:39,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 13:45:39,880 INFO L82 PathProgramCache]: Analyzing trace with hash -218431236, now seen corresponding path program 1 times [2020-12-22 13:45:39,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 13:45:39,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950890451] [2020-12-22 13:45:39,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 13:45:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 13:45:42,146 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 13:45:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-22 13:45:44,159 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-22 13:45:44,677 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-22 13:45:44,681 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-22 13:45:44,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-22 13:45:45,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 01:45:45 BoogieIcfgContainer [2020-12-22 13:45:45,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 13:45:45,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 13:45:45,844 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 13:45:45,844 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 13:45:45,844 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 01:44:29" (3/4) ... [2020-12-22 13:45:45,851 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-22 13:45:45,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 13:45:45,857 INFO L168 Benchmark]: Toolchain (without parser) took 105105.63 ms. Allocated memory was 159.4 MB in the beginning and 966.8 MB in the end (delta: 807.4 MB). Free memory was 126.7 MB in the beginning and 301.0 MB in the end (delta: -174.3 MB). Peak memory consumption was 634.0 MB. Max. memory is 8.0 GB. [2020-12-22 13:45:45,863 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 159.4 MB. Free memory is still 132.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 13:45:45,864 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2540.46 ms. Allocated memory was 159.4 MB in the beginning and 215.0 MB in the end (delta: 55.6 MB). Free memory was 126.6 MB in the beginning and 148.9 MB in the end (delta: -22.3 MB). Peak memory consumption was 93.6 MB. Max. memory is 8.0 GB. [2020-12-22 13:45:45,865 INFO L168 Benchmark]: Boogie Procedure Inliner took 476.65 ms. Allocated memory is still 215.0 MB. Free memory was 148.9 MB in the beginning and 133.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-12-22 13:45:45,865 INFO L168 Benchmark]: Boogie Preprocessor took 545.69 ms. Allocated memory is still 215.0 MB. Free memory was 133.7 MB in the beginning and 140.0 MB in the end (delta: -6.3 MB). Peak memory consumption was 55.1 MB. Max. memory is 8.0 GB. [2020-12-22 13:45:45,866 INFO L168 Benchmark]: RCFGBuilder took 24724.46 ms. Allocated memory was 215.0 MB in the beginning and 805.3 MB in the end (delta: 590.3 MB). Free memory was 140.0 MB in the beginning and 603.2 MB in the end (delta: -463.2 MB). Peak memory consumption was 488.4 MB. Max. memory is 8.0 GB. [2020-12-22 13:45:45,869 INFO L168 Benchmark]: TraceAbstraction took 76796.28 ms. Allocated memory was 805.3 MB in the beginning and 966.8 MB in the end (delta: 161.5 MB). Free memory was 603.2 MB in the beginning and 301.5 MB in the end (delta: 301.7 MB). Peak memory consumption was 479.4 MB. Max. memory is 8.0 GB. [2020-12-22 13:45:45,869 INFO L168 Benchmark]: Witness Printer took 7.44 ms. Allocated memory is still 966.8 MB. Free memory was 301.5 MB in the beginning and 301.0 MB in the end (delta: 522.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 13:45:45,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 159.4 MB. Free memory is still 132.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 2540.46 ms. Allocated memory was 159.4 MB in the beginning and 215.0 MB in the end (delta: 55.6 MB). Free memory was 126.6 MB in the beginning and 148.9 MB in the end (delta: -22.3 MB). Peak memory consumption was 93.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 476.65 ms. Allocated memory is still 215.0 MB. Free memory was 148.9 MB in the beginning and 133.7 MB in the end (delta: 15.2 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 545.69 ms. Allocated memory is still 215.0 MB. Free memory was 133.7 MB in the beginning and 140.0 MB in the end (delta: -6.3 MB). Peak memory consumption was 55.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 24724.46 ms. Allocated memory was 215.0 MB in the beginning and 805.3 MB in the end (delta: 590.3 MB). Free memory was 140.0 MB in the beginning and 603.2 MB in the end (delta: -463.2 MB). Peak memory consumption was 488.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 76796.28 ms. Allocated memory was 805.3 MB in the beginning and 966.8 MB in the end (delta: 161.5 MB). Free memory was 603.2 MB in the beginning and 301.5 MB in the end (delta: 301.7 MB). Peak memory consumption was 479.4 MB. Max. memory is 8.0 GB. * Witness Printer took 7.44 ms. Allocated memory is still 966.8 MB. Free memory was 301.5 MB in the beginning and 301.0 MB in the end (delta: 522.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4403]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 4507, overapproximation of bitwiseOr at line 4818. Possible FailurePath: [L4426] int LDV_IN_INTERRUPT = 1; [L4427] int ldv_state_variable_2 ; [L4428] struct usb_serial *kobil_device_group2 ; [L4429] int ref_cnt ; [L4430] struct usb_interface *kobil_driver_group1 ; [L4431] struct file *kobil_device_group0 ; [L4432] struct tty_struct *kobil_device_group1 ; [L4433] int ldv_state_variable_1 ; [L4434] int usb_counter ; [L4435] struct usb_serial_port *kobil_device_group3 ; [L4436] int ldv_state_variable_0 ; [L4590] static int debug ; [L4608-L4618] static struct usb_device_id const id_table[5U] = { {3U, 3398U, 8209U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3398U, 8210U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3398U, 120U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 3398U, 129U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L4619] struct usb_device_id const __mod_usb_device_table ; [L4620-L4625] static struct usb_driver kobil_driver = {"kobil", & usb_serial_probe, & usb_serial_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& id_table), {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, 1U, (unsigned char)0, (unsigned char)0}; [L4626-L4633] static struct usb_serial_driver kobil_device = {"KOBIL USB smart card terminal", (struct usb_device_id const *)(& id_table), 1, {0, 0}, {"kobil", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0}, & kobil_driver, {{{{{0U}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, 0UL, 0UL, 0, & kobil_startup, 0, 0, & kobil_release, 0, 0, 0, 0, & kobil_open, & kobil_close, & kobil_write, & kobil_write_room, & kobil_ioctl, & kobil_set_termios, 0, 0, 0, 0, & kobil_tiocmget, & kobil_tiocmset, 0, 0, 0, & kobil_init_termios, & kobil_read_int_callback, 0, 0, 0, 0, 0}; [L5289] int ldv_retval_2 ; [L5291] int ldv_retval_0 ; [L5293] int ldv_retval_1 ; [L5295] int ldv_retval_3 ; [L5750] struct tty_struct___0 *ldv_latest_tty ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L5325] unsigned char *ldvarg7 ; [L5326] void *tmp ; [L5327] unsigned int ldvarg3 ; [L5328] unsigned int tmp___0 ; [L5329] unsigned int ldvarg0 ; [L5330] unsigned int tmp___1 ; [L5331] struct urb *ldvarg5 ; [L5332] void *tmp___2 ; [L5333] int ldvarg6 ; [L5334] int tmp___3 ; [L5335] unsigned int ldvarg1 ; [L5336] unsigned int tmp___4 ; [L5337] struct ktermios *ldvarg4 ; [L5338] void *tmp___5 ; [L5339] unsigned long ldvarg2 ; [L5340] unsigned long tmp___6 ; [L5341] struct usb_device_id *ldvarg8 ; [L5342] void *tmp___7 ; [L5343] int tmp___8 ; [L5344] int tmp___9 ; [L5345] int tmp___10 ; [L5346] int tmp___11 ; [L4368] void *p ; [L4369] void *tmp ; [L4370] int tmp___0 ; [L4372] tmp___0 = __VERIFIER_nondet_int() [L4373] COND TRUE tmp___0 != 0 [L4374] return ((void *)0); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L5348] tmp = ldv_zalloc(1UL) [L5349] ldvarg7 = (unsigned char *)tmp [L5350] tmp___0 = __VERIFIER_nondet_uint() [L5351] ldvarg3 = tmp___0 [L5352] tmp___1 = __VERIFIER_nondet_uint() [L5353] ldvarg0 = tmp___1 [L4368] void *p ; [L4369] void *tmp ; [L4370] int tmp___0 ; [L4372] tmp___0 = __VERIFIER_nondet_int() [L4373] COND TRUE tmp___0 != 0 [L4374] return ((void *)0); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L5354] tmp___2 = ldv_zalloc(192UL) [L5355] ldvarg5 = (struct urb *)tmp___2 [L5356] tmp___3 = __VERIFIER_nondet_int() [L5357] ldvarg6 = tmp___3 [L5358] tmp___4 = __VERIFIER_nondet_uint() [L5359] ldvarg1 = tmp___4 [L4368] void *p ; [L4369] void *tmp ; [L4370] int tmp___0 ; [L4372] tmp___0 = __VERIFIER_nondet_int() [L4373] COND TRUE tmp___0 != 0 [L4374] return ((void *)0); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L5360] tmp___5 = ldv_zalloc(44UL) [L5361] ldvarg4 = (struct ktermios *)tmp___5 [L5362] tmp___6 = __VERIFIER_nondet_ulong() [L5363] ldvarg2 = tmp___6 [L4368] void *p ; [L4369] void *tmp ; [L4370] int tmp___0 ; [L4372] tmp___0 = __VERIFIER_nondet_int() [L4373] COND TRUE tmp___0 != 0 [L4374] return ((void *)0); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L5364] tmp___7 = ldv_zalloc(24UL) [L5365] ldvarg8 = (struct usb_device_id *)tmp___7 [L4351] void *p ; [L4352] void *tmp ; [L4353] int tmp___0 ; [L4355] tmp___0 = __VERIFIER_nondet_int() [L4356] COND FALSE !(tmp___0 != 0) [L4359] tmp = malloc(size) [L4360] p = tmp [L4347] COND FALSE !(!cond) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L4362] return (p); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L5754] ldv_latest_tty = ldv_malloc(sizeof(struct tty_struct___0)) [L5755] COND TRUE (unsigned long )ldv_latest_tty != (unsigned long )((void *)0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L5367] ldv_state_variable_1 = 0 [L5368] ref_cnt = 0 [L5369] ldv_state_variable_0 = 1 [L5370] ldv_state_variable_2 = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L5372] tmp___8 = __VERIFIER_nondet_int() [L5374] case 0: [L5587] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L5588] COND TRUE ldv_state_variable_0 != 0 [L5589] tmp___10 = __VERIFIER_nondet_int() [L5591] case 0: [L5599] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, usb_counter=0] [L5600] COND TRUE ldv_state_variable_0 == 1 [L5260] int retval ; [L5884] return __VERIFIER_nondet_int(); [L5262] retval = usb_serial_register(& kobil_device) [L5263] COND FALSE !(retval != 0) [L4505] int tmp ; [L4507] CALL, EXPR ldv_usb_register_driver_5(driver, & __this_module, "kobil_sct") [L5687] ldv_func_ret_type___0 ldv_func_res ; [L5688] int tmp ; [L5870] return __VERIFIER_nondet_int(); [L5690] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L5691] ldv_func_res = tmp [L5692] ldv_state_variable_2 = 1 [L5693] usb_counter = 0 [L5316] void *tmp ; [L4368] void *p ; [L4369] void *tmp ; [L4370] int tmp___0 ; [L4372] tmp___0 = __VERIFIER_nondet_int() [L4373] COND TRUE tmp___0 != 0 [L4374] return ((void *)0); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L5318] tmp = ldv_zalloc(1248UL) [L5319] kobil_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L5695] return (ldv_func_res); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L4507] tmp = ldv_usb_register_driver_5(driver, & __this_module, "kobil_sct") [L4508] return (tmp); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L5267] retval = usb_register(& kobil_driver) [L5268] COND FALSE !(retval != 0) [L5273] return (0); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L5601] ldv_retval_2 = kobil_init() [L5602] COND FALSE !(ldv_retval_2 != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L5607] COND TRUE ldv_retval_2 == 0 [L5608] ldv_state_variable_0 = 2 [L5609] ldv_state_variable_1 = 1 [L5298] void *tmp ; [L5299] void *tmp___0 ; [L5300] void *tmp___1 ; [L5301] void *tmp___2 ; [L4368] void *p ; [L4369] void *tmp ; [L4370] int tmp___0 ; [L4372] tmp___0 = __VERIFIER_nondet_int() [L4373] COND TRUE tmp___0 != 0 [L4374] return ((void *)0); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L5303] tmp = ldv_zalloc(336UL) [L5304] kobil_device_group0 = (struct file *)tmp [L4368] void *p ; [L4369] void *tmp ; [L4370] int tmp___0 ; [L4372] tmp___0 = __VERIFIER_nondet_int() [L4373] COND TRUE tmp___0 != 0 [L4374] return ((void *)0); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L5305] tmp___0 = ldv_zalloc(2704UL) [L5306] kobil_device_group1 = (struct tty_struct *)tmp___0 [L4368] void *p ; [L4369] void *tmp ; [L4370] int tmp___0 ; [L4372] tmp___0 = __VERIFIER_nondet_int() [L4373] COND TRUE tmp___0 != 0 [L4374] return ((void *)0); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L5307] tmp___1 = ldv_zalloc(280UL) [L5308] kobil_device_group2 = (struct usb_serial *)tmp___1 [L4368] void *p ; [L4369] void *tmp ; [L4370] int tmp___0 ; [L4372] tmp___0 = __VERIFIER_nondet_int() [L4373] COND TRUE tmp___0 != 0 [L4374] return ((void *)0); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L5309] tmp___2 = ldv_zalloc(2320UL) [L5310] kobil_device_group3 = (struct usb_serial_port *)tmp___2 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L5372] tmp___8 = __VERIFIER_nondet_int() [L5374] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L5375] COND TRUE ldv_state_variable_1 != 0 [L5376] tmp___9 = __VERIFIER_nondet_int() [L5378] case 0: [L5386] case 1: [L5396] case 2: [L5403] case 3: [L5410] case 4: [L5432] case 5: [L5442] case 6: [L5464] case 7: [L5486] case 8: [L5494] case 9: [L5516] case 10: [L5538] case 11: [L5560] case 12: [L5572] case 13: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, usb_counter=0] [L5573] COND TRUE ldv_state_variable_1 == 1 [L5817] return __VERIFIER_nondet_int(); [L5575] ldv_state_variable_1 = 2 [L5576] ref_cnt = ref_cnt + 1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L5372] tmp___8 = __VERIFIER_nondet_int() [L5374] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L5375] COND TRUE ldv_state_variable_1 != 0 [L5376] tmp___9 = __VERIFIER_nondet_int() [L5378] case 0: [L5386] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L5387] COND TRUE ldv_state_variable_1 == 2 [L4636] int i ; [L4637] struct kobil_private *priv ; [L4638] struct usb_device *pdev ; [L4639] struct usb_host_config *actconfig ; [L4640] struct usb_interface *interface ; [L4641] struct usb_host_interface *altsetting ; [L4642] struct usb_host_endpoint *endpoint ; [L4643] void *tmp ; [L4644] int tmp___0 ; [L4645] int tmp___1 ; [L4300] void *ret ; [L4301] void *tmp ; [L4302] struct kmem_cache *s ; [L4303] struct kmem_cache *tmp___0 ; [L4304] void *tmp___1 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4306] COND FALSE !(0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4351] void *p ; [L4352] void *tmp ; [L4353] int tmp___0 ; [L4355] tmp___0 = __VERIFIER_nondet_int() [L4356] COND FALSE !(tmp___0 != 0) [L4359] tmp = malloc(size) [L4360] p = tmp [L4347] COND FALSE !(!cond) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4362] return (p); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4277] return ldv_malloc(size); [L4327] tmp___1 = __kmalloc(size, flags) [L4328] return (tmp___1); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4647] tmp = kmalloc(320UL, 208U) [L4648] priv = (struct kobil_private *)tmp VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4649] COND FALSE !((unsigned long )priv == (unsigned long )((struct kobil_private *)0)) [L4653] priv->filled = 0 [L4654] priv->cur_pos = 0 [L4655] EXPR serial->dev [L4655] EXPR (serial->dev)->descriptor.idProduct [L4655] priv->device_type = (serial->dev)->descriptor.idProduct [L4656] priv->device_type [L4657] case 8209: [L4671] serial->port[0] [L4672] EXPR serial->dev [L4672] pdev = serial->dev [L4673] EXPR pdev->actconfig [L4673] actconfig = pdev->actconfig [L4674] EXPR actconfig->interface[0] [L4674] interface = actconfig->interface[0] [L4675] EXPR interface->cur_altsetting [L4675] altsetting = interface->cur_altsetting [L4676] EXPR altsetting->endpoint [L4676] endpoint = altsetting->endpoint [L4677] i = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4703] EXPR altsetting->desc.bNumEndpoints VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4703] COND FALSE !((int )altsetting->desc.bNumEndpoints > i) [L4707] return (0); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=2, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L5388] ldv_retval_1 = kobil_startup(kobil_device_group2) [L5389] COND TRUE ldv_retval_1 == 0 [L5390] ldv_state_variable_1 = 3 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L5372] tmp___8 = __VERIFIER_nondet_int() [L5374] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L5375] COND TRUE ldv_state_variable_1 != 0 [L5376] tmp___9 = __VERIFIER_nondet_int() [L5378] case 0: [L5386] case 1: [L5396] case 2: [L5403] case 3: [L5410] case 4: [L5432] case 5: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L5433] COND TRUE ldv_state_variable_1 == 3 [L4746] int result ; [L4747] struct kobil_private *priv ; [L4748] unsigned char *transfer_buffer ; [L4749] int transfer_buffer_length ; [L4750] int write_urb_transfer_buffer_length ; [L4751] void *tmp ; [L4752] void *tmp___0 ; [L4753] unsigned int tmp___1 ; [L4754] unsigned int tmp___2 ; [L4755] unsigned int tmp___3 ; [L4756] unsigned int tmp___4 ; [L4758] result = 0 [L4759] transfer_buffer_length = 8 [L4760] write_urb_transfer_buffer_length = 8 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4761] COND FALSE !(debug != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4549] void *tmp ; [L4351] void *p ; [L4352] void *tmp ; [L4353] int tmp___0 ; [L4355] tmp___0 = __VERIFIER_nondet_int() [L4356] COND TRUE tmp___0 != 0 [L4357] return ((void *)0); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L5799] return ldv_malloc(0UL); [L4551] tmp = dev_get_drvdata((struct device const *)(& port->dev)) [L4552] return (tmp); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4766] tmp = usb_get_serial_port_data(port) [L4767] priv = (struct kobil_private *)tmp [L4768] EXPR port->interrupt_in_urb [L4768] EXPR port->serial [L4768] EXPR (port->serial)->dev [L4768] (port->interrupt_in_urb)->dev = (port->serial)->dev [L4334] void *tmp ; [L4300] void *ret ; [L4301] void *tmp ; [L4302] struct kmem_cache *s ; [L4303] struct kmem_cache *tmp___0 ; [L4304] void *tmp___1 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4306] COND FALSE !(0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4351] void *p ; [L4352] void *tmp ; [L4353] int tmp___0 ; [L4355] tmp___0 = __VERIFIER_nondet_int() [L4356] COND FALSE !(tmp___0 != 0) [L4359] tmp = malloc(size) [L4360] p = tmp [L4347] COND FALSE !(!cond) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4362] return (p); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4277] return ldv_malloc(size); [L4327] tmp___1 = __kmalloc(size, flags) [L4328] return (tmp___1); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4336] tmp = kmalloc(size, flags | 32768U) [L4337] return (tmp); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4769] tmp___0 = kzalloc((size_t )transfer_buffer_length, 208U) [L4770] transfer_buffer = (unsigned char *)tmp___0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4771] COND FALSE !((unsigned long )transfer_buffer == (unsigned long )((unsigned char *)0U)) [L4775] EXPR port->write_urb VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4775] COND FALSE !((unsigned long )port->write_urb == (unsigned long )((struct urb *)0)) [L4794] EXPR port->write_urb [L4300] void *ret ; [L4301] void *tmp ; [L4302] struct kmem_cache *s ; [L4303] struct kmem_cache *tmp___0 ; [L4304] void *tmp___1 ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4306] COND FALSE !(0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4351] void *p ; [L4352] void *tmp ; [L4353] int tmp___0 ; [L4355] tmp___0 = __VERIFIER_nondet_int() [L4356] COND TRUE tmp___0 != 0 [L4357] return ((void *)0); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4277] return ldv_malloc(size); [L4327] tmp___1 = __kmalloc(size, flags) [L4328] return (tmp___1); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4794-L4795] (port->write_urb)->transfer_buffer = kmalloc((size_t )write_urb_transfer_buffer_length, 208U) [L4796] EXPR port->write_urb [L4796] EXPR (port->write_urb)->transfer_buffer VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4796] COND FALSE !((unsigned long )(port->write_urb)->transfer_buffer == (unsigned long )((void *)0)) [L4803] EXPR port->serial [L4803] EXPR (port->serial)->dev [L4544] EXPR dev->devnum [L4544] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L4803] tmp___1 = __create_pipe((port->serial)->dev, 0U) [L4804] EXPR port->serial [L4804] EXPR (port->serial)->dev [L5854] return __VERIFIER_nondet_int(); [L4804-L4806] result = usb_control_msg((port->serial)->dev, tmp___1 | 2147483776U, 16, 194, 2, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500) [L4807] COND FALSE !(debug != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4812] COND FALSE !(debug != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4817] EXPR port->serial [L4817] EXPR (port->serial)->dev [L4544] EXPR dev->devnum [L4544] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L4817] tmp___2 = __create_pipe((port->serial)->dev, 0U) [L4818] EXPR port->serial [L4818] EXPR (port->serial)->dev [L5854] return __VERIFIER_nondet_int(); [L4818-L4820] result = usb_control_msg((port->serial)->dev, tmp___2 | 2147483776U, 16, 194, 1, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500) [L4821] COND FALSE !(debug != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4826] COND FALSE !(debug != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4831] EXPR priv->device_type [L4831] (unsigned int )priv->device_type == 8209U || (unsigned int )priv->device_type == 8210U [L4831] EXPR priv->device_type [L4831] (unsigned int )priv->device_type == 8209U || (unsigned int )priv->device_type == 8210U VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4831] COND FALSE !((unsigned int )priv->device_type == 8209U || (unsigned int )priv->device_type == 8210U) [L4850] EXPR priv->device_type [L4850] EXPR (unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U [L4850] EXPR priv->device_type [L4850] EXPR (unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4850] ((unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U) || (unsigned int )priv->device_type == 129U [L4850] EXPR priv->device_type [L4850] ((unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U) || (unsigned int )priv->device_type == 129U VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4850] COND FALSE !(((unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U) || (unsigned int )priv->device_type == 129U) [L4860] return (0); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L5434] ldv_retval_0 = kobil_open(kobil_device_group1, kobil_device_group3) [L5435] COND TRUE ldv_retval_0 == 0 [L5436] ldv_state_variable_1 = 4 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L5372] tmp___8 = __VERIFIER_nondet_int() [L5374] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L5375] COND TRUE ldv_state_variable_1 != 0 [L5376] tmp___9 = __VERIFIER_nondet_int() [L5378] case 0: [L5386] case 1: [L5396] case 2: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L5397] COND TRUE ldv_state_variable_1 == 4 [L4884] int result ; [L4885] struct usb_serial_port *port ; [L4886] struct tty_struct *tty ; [L4887] unsigned char *data ; [L4888] int status ; [L4890] EXPR urb->context [L4890] port = (struct usb_serial_port *)urb->context [L4891] EXPR urb->transfer_buffer [L4891] data = (unsigned char *)urb->transfer_buffer [L4892] EXPR urb->status [L4892] status = urb->status [L4893] COND FALSE !(debug != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4898] COND FALSE !(status != 0) [L5700] ldv_func_ret_type___1 ldv_func_res ; [L5701] struct tty_struct *tmp ; [L4351] void *p ; [L4352] void *tmp ; [L4353] int tmp___0 ; [L4355] tmp___0 = __VERIFIER_nondet_int() [L4356] COND TRUE tmp___0 != 0 [L4357] return ((void *)0); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L5847] return ldv_malloc(sizeof(struct tty_struct)); [L5703] tmp = tty_port_tty_get(ldv_func_arg1) [L5704] ldv_func_res = tmp [L5776] ldv_latest_tty = tty VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L5706] return (ldv_func_res); VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4907] tty = ldv_tty_port_tty_get_6(& port->port) [L4908] EXPR urb->actual_length VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4908] COND TRUE urb->actual_length != 0U [L4909] urb->actual_length [L5666] int tmp ; [L5783] COND FALSE !((unsigned long )tty != (unsigned long )ldv_latest_tty || tty) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L4403] reach_error() VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551618:18446744073709551637}, debug=0, id_table={101:0}, kobil_device={115:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={99:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_state_variable_0=2, ldv_state_variable_1=4, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1817 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 75.5s, OverallIterations: 18, TraceHistogramMax: 5, AutomataDifference: 49.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27000 SDtfs, 41725 SDslu, 53758 SDs, 0 SdLazy, 2984 SolverSat, 505 SolverUnsat, 16 SolverUnknown, 0 SolverNotchecked, 40.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 309 GetRequests, 220 SyntacticMatches, 4 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2352occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 17 MinimizatonAttempts, 41254 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 14.1s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 2025 NumberOfCodeBlocks, 2025 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1849 ConstructedInterpolants, 0 QuantifiedInterpolants, 505765 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3718 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 19 InterpolantComputations, 17 PerfectInterpolantSequences, 450/462 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...