./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -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 -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d0954289a294fb2be404f98afcefa652a2fbf60d586d07e7d68c419183f4ff07 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:33:08,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:33:08,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:33:08,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:33:08,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:33:08,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:33:08,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:33:08,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:33:08,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:33:08,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:33:08,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:33:08,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:33:08,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:33:08,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:33:08,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:33:08,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:33:08,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:33:08,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:33:08,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:33:08,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:33:08,175 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:33:08,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:33:08,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:33:08,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:33:08,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:33:08,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:33:08,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:33:08,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:33:08,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:33:08,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:33:08,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:33:08,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:33:08,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:33:08,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:33:08,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:33:08,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:33:08,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:33:08,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:33:08,189 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:33:08,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:33:08,190 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:33:08,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:33:08,192 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:33:08,213 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:33:08,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:33:08,214 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:33:08,214 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:33:08,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:33:08,215 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:33:08,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:33:08,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:33:08,216 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:33:08,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:33:08,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:33:08,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:33:08,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:33:08,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:33:08,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:33:08,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:33:08,224 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:33:08,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:33:08,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:33:08,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:33:08,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:33:08,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:33:08,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:33:08,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:33:08,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:33:08,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:33:08,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:33:08,226 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:33:08,226 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:33:08,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:33:08,227 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0954289a294fb2be404f98afcefa652a2fbf60d586d07e7d68c419183f4ff07 [2022-07-21 11:33:08,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:33:08,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:33:08,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:33:08,520 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:33:08,521 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:33:08,523 INFO L432 ainManager$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 [2022-07-21 11:33:08,566 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524d090c2/3b7de43679b54082ae4a1eb3ebce2cee/FLAG34f6d32f6 [2022-07-21 11:33:09,067 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:33:09,068 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 [2022-07-21 11:33:09,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524d090c2/3b7de43679b54082ae4a1eb3ebce2cee/FLAG34f6d32f6 [2022-07-21 11:33:09,334 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/524d090c2/3b7de43679b54082ae4a1eb3ebce2cee [2022-07-21 11:33:09,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:33:09,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:33:09,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:33:09,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:33:09,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:33:09,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:33:09" (1/1) ... [2022-07-21 11:33:09,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@375acbcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:33:09, skipping insertion in model container [2022-07-21 11:33:09,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:33:09" (1/1) ... [2022-07-21 11:33:09,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:33:09,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:33:09,772 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2022-07-21 11:33:09,773 WARN L1251 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] [2022-07-21 11:33:09,774 WARN L1251 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] [2022-07-21 11:33:09,774 WARN L1251 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] [2022-07-21 11:33:09,774 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2022-07-21 11:33:09,776 WARN L1251 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] [2022-07-21 11:33:09,777 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2022-07-21 11:33:09,778 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2022-07-21 11:33:09,790 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2022-07-21 11:33:09,791 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2022-07-21 11:33:09,791 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2022-07-21 11:33:09,792 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2022-07-21 11:33:09,792 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2022-07-21 11:33:09,792 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2022-07-21 11:33:09,993 WARN L230 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] [2022-07-21 11:33:10,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:33:10,315 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:33:10,395 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2022-07-21 11:33:10,395 WARN L1251 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] [2022-07-21 11:33:10,395 WARN L1251 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] [2022-07-21 11:33:10,395 WARN L1251 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] [2022-07-21 11:33:10,396 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2022-07-21 11:33:10,396 WARN L1251 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] [2022-07-21 11:33:10,396 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2022-07-21 11:33:10,397 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2022-07-21 11:33:10,401 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2022-07-21 11:33:10,401 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2022-07-21 11:33:10,402 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2022-07-21 11:33:10,402 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2022-07-21 11:33:10,402 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2022-07-21 11:33:10,403 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2022-07-21 11:33:10,434 WARN L230 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] [2022-07-21 11:33:10,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:33:10,587 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:33:10,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:33:10 WrapperNode [2022-07-21 11:33:10,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:33:10,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:33:10,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:33:10,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:33:10,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:33:10" (1/1) ... [2022-07-21 11:33:10,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:33:10" (1/1) ... [2022-07-21 11:33:10,725 INFO L137 Inliner]: procedures = 124, calls = 768, calls flagged for inlining = 62, calls inlined = 62, statements flattened = 2125 [2022-07-21 11:33:10,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:33:10,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:33:10,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:33:10,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:33:10,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:33:10" (1/1) ... [2022-07-21 11:33:10,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:33:10" (1/1) ... [2022-07-21 11:33:10,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:33:10" (1/1) ... [2022-07-21 11:33:10,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:33:10" (1/1) ... [2022-07-21 11:33:10,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:33:10" (1/1) ... [2022-07-21 11:33:10,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:33:10" (1/1) ... [2022-07-21 11:33:10,844 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:33:10" (1/1) ... [2022-07-21 11:33:10,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:33:10,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:33:10,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:33:10,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:33:10,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:33:10" (1/1) ... [2022-07-21 11:33:10,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:33:10,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:33:10,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 11:33:10,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 11:33:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 11:33:10,945 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-21 11:33:10,945 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-21 11:33:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:33:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:33:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:33:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:33:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:33:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-07-21 11:33:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-07-21 11:33:10,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:33:10,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:33:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 11:33:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 11:33:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:33:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:33:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-21 11:33:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-21 11:33:10,947 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:33:10,947 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:33:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-07-21 11:33:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-07-21 11:33:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 11:33:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:33:10,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:33:10,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2022-07-21 11:33:10,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2022-07-21 11:33:10,949 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:33:10,949 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:33:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-07-21 11:33:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-07-21 11:33:10,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:33:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-21 11:33:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-21 11:33:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-07-21 11:33:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:33:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2022-07-21 11:33:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2022-07-21 11:33:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2022-07-21 11:33:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2022-07-21 11:33:10,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:33:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:33:10,952 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2022-07-21 11:33:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2022-07-21 11:33:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-21 11:33:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-21 11:33:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-07-21 11:33:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-07-21 11:33:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-21 11:33:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-21 11:33:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2022-07-21 11:33:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2022-07-21 11:33:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:33:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:33:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-07-21 11:33:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-07-21 11:33:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2022-07-21 11:33:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2022-07-21 11:33:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-07-21 11:33:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-07-21 11:33:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 11:33:10,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 11:33:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 11:33:10,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 11:33:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:33:10,956 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2022-07-21 11:33:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2022-07-21 11:33:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 11:33:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:33:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:33:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:33:10,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:33:11,320 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:33:11,323 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:33:11,689 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:33:14,178 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-21 11:33:14,706 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:33:14,714 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:33:14,714 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:33:14,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:33:14 BoogieIcfgContainer [2022-07-21 11:33:14,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:33:14,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:33:14,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:33:14,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:33:14,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:33:09" (1/3) ... [2022-07-21 11:33:14,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5c1198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:33:14, skipping insertion in model container [2022-07-21 11:33:14,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:33:10" (2/3) ... [2022-07-21 11:33:14,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5c1198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:33:14, skipping insertion in model container [2022-07-21 11:33:14,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:33:14" (3/3) ... [2022-07-21 11:33:14,721 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2022-07-21 11:33:14,730 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:33:14,730 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:33:14,765 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:33:14,769 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@44799f45, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1597b39f [2022-07-21 11:33:14,769 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:33:14,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 643 states, 503 states have (on average 1.4552683896620278) internal successors, (732), 512 states have internal predecessors, (732), 112 states have call successors, (112), 28 states have call predecessors, (112), 26 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2022-07-21 11:33:14,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-21 11:33:14,785 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:14,786 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-21 11:33:14,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:14,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:14,789 INFO L85 PathProgramCache]: Analyzing trace with hash 1222428994, now seen corresponding path program 1 times [2022-07-21 11:33:14,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:33:14,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292753312] [2022-07-21 11:33:14,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:14,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:33:14,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:33:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:33:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:33:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:33:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 11:33:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-21 11:33:15,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:33:15,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292753312] [2022-07-21 11:33:15,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292753312] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:15,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:33:15,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:33:15,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822961222] [2022-07-21 11:33:15,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:15,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:33:15,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:33:15,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:33:15,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:33:15,142 INFO L87 Difference]: Start difference. First operand has 643 states, 503 states have (on average 1.4552683896620278) internal successors, (732), 512 states have internal predecessors, (732), 112 states have call successors, (112), 28 states have call predecessors, (112), 26 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-21 11:33:17,641 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:19,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:21,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:23,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:23,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:33:23,729 INFO L93 Difference]: Finished difference Result 1422 states and 2193 transitions. [2022-07-21 11:33:23,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:33:23,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58 [2022-07-21 11:33:23,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:33:23,749 INFO L225 Difference]: With dead ends: 1422 [2022-07-21 11:33:23,749 INFO L226 Difference]: Without dead ends: 753 [2022-07-21 11:33:23,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:33:23,770 INFO L413 NwaCegarLoop]: 967 mSDtfsCounter, 298 mSDsluCounter, 1681 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 138 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 2648 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-07-21 11:33:23,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 2648 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 785 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2022-07-21 11:33:23,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2022-07-21 11:33:23,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 624. [2022-07-21 11:33:23,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 490 states have (on average 1.3918367346938776) internal successors, (682), 492 states have internal predecessors, (682), 106 states have call successors, (106), 28 states have call predecessors, (106), 27 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2022-07-21 11:33:23,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 893 transitions. [2022-07-21 11:33:23,860 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 893 transitions. Word has length 58 [2022-07-21 11:33:23,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:33:23,861 INFO L495 AbstractCegarLoop]: Abstraction has 624 states and 893 transitions. [2022-07-21 11:33:23,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-21 11:33:23,862 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 893 transitions. [2022-07-21 11:33:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-21 11:33:23,871 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:23,871 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:33:23,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 11:33:23,872 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:23,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:23,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1024555351, now seen corresponding path program 1 times [2022-07-21 11:33:23,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:33:23,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777205156] [2022-07-21 11:33:23,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:23,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:33:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:24,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:24,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:33:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:24,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:33:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:24,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:33:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:24,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:33:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:24,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 11:33:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:24,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 11:33:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:24,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 11:33:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:24,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:33:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:24,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:33:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:24,151 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-07-21 11:33:24,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:33:24,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777205156] [2022-07-21 11:33:24,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777205156] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:24,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:33:24,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:33:24,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644081400] [2022-07-21 11:33:24,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:24,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:33:24,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:33:24,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:33:24,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:33:24,157 INFO L87 Difference]: Start difference. First operand 624 states and 893 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-21 11:33:26,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:27,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:33:27,363 INFO L93 Difference]: Finished difference Result 1745 states and 2547 transitions. [2022-07-21 11:33:27,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:33:27,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 96 [2022-07-21 11:33:27,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:33:27,370 INFO L225 Difference]: With dead ends: 1745 [2022-07-21 11:33:27,370 INFO L226 Difference]: Without dead ends: 1141 [2022-07-21 11:33:27,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:33:27,374 INFO L413 NwaCegarLoop]: 958 mSDtfsCounter, 1007 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 439 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 2107 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:33:27,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1041 Valid, 2107 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 641 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-07-21 11:33:27,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2022-07-21 11:33:27,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 933. [2022-07-21 11:33:27,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 746 states have (on average 1.3632707774798927) internal successors, (1017), 750 states have internal predecessors, (1017), 139 states have call successors, (139), 45 states have call predecessors, (139), 47 states have return successors, (153), 140 states have call predecessors, (153), 138 states have call successors, (153) [2022-07-21 11:33:27,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1309 transitions. [2022-07-21 11:33:27,413 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1309 transitions. Word has length 96 [2022-07-21 11:33:27,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:33:27,414 INFO L495 AbstractCegarLoop]: Abstraction has 933 states and 1309 transitions. [2022-07-21 11:33:27,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-07-21 11:33:27,414 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1309 transitions. [2022-07-21 11:33:27,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-21 11:33:27,417 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:27,417 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:33:27,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 11:33:27,418 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:27,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:27,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1788560870, now seen corresponding path program 1 times [2022-07-21 11:33:27,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:33:27,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465876208] [2022-07-21 11:33:27,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:27,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:33:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:27,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:27,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:33:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:27,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:33:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:27,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:33:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:27,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:33:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:27,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 11:33:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:27,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 11:33:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:27,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 11:33:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:33:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:27,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-21 11:33:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:27,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-21 11:33:27,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:33:27,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465876208] [2022-07-21 11:33:27,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465876208] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:27,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:33:27,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:33:27,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492641586] [2022-07-21 11:33:27,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:27,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:33:27,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:33:27,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:33:27,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:33:27,637 INFO L87 Difference]: Start difference. First operand 933 states and 1309 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-21 11:33:29,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:30,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:33:30,400 INFO L93 Difference]: Finished difference Result 2055 states and 2942 transitions. [2022-07-21 11:33:30,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:33:30,401 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 106 [2022-07-21 11:33:30,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:33:30,406 INFO L225 Difference]: With dead ends: 2055 [2022-07-21 11:33:30,406 INFO L226 Difference]: Without dead ends: 1142 [2022-07-21 11:33:30,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:33:30,410 INFO L413 NwaCegarLoop]: 897 mSDtfsCounter, 342 mSDsluCounter, 1270 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 240 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 2167 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-21 11:33:30,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 2167 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 419 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-07-21 11:33:30,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2022-07-21 11:33:30,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 934. [2022-07-21 11:33:30,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 934 states, 747 states have (on average 1.3627844712182062) internal successors, (1018), 751 states have internal predecessors, (1018), 139 states have call successors, (139), 45 states have call predecessors, (139), 47 states have return successors, (153), 140 states have call predecessors, (153), 138 states have call successors, (153) [2022-07-21 11:33:30,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1310 transitions. [2022-07-21 11:33:30,455 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1310 transitions. Word has length 106 [2022-07-21 11:33:30,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:33:30,455 INFO L495 AbstractCegarLoop]: Abstraction has 934 states and 1310 transitions. [2022-07-21 11:33:30,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-07-21 11:33:30,456 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1310 transitions. [2022-07-21 11:33:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-21 11:33:30,457 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:30,457 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:33:30,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 11:33:30,458 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:30,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:30,458 INFO L85 PathProgramCache]: Analyzing trace with hash -731399064, now seen corresponding path program 1 times [2022-07-21 11:33:30,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:33:30,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288225599] [2022-07-21 11:33:30,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:30,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:33:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:30,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:30,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:33:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:30,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:33:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:30,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:33:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:30,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:33:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:30,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 11:33:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 11:33:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:30,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-21 11:33:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:30,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 11:33:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:30,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-21 11:33:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:30,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:30,734 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-07-21 11:33:30,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:33:30,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288225599] [2022-07-21 11:33:30,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288225599] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:33:30,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523483895] [2022-07-21 11:33:30,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:30,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:33:30,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:33:30,737 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:33:30,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 11:33:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:31,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 11:33:31,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:33:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-21 11:33:31,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:33:31,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523483895] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:31,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:33:31,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-07-21 11:33:31,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048209564] [2022-07-21 11:33:31,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:31,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:33:31,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:33:31,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:33:31,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:33:31,163 INFO L87 Difference]: Start difference. First operand 934 states and 1310 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-21 11:33:31,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:33:31,285 INFO L93 Difference]: Finished difference Result 2756 states and 3865 transitions. [2022-07-21 11:33:31,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:33:31,285 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 106 [2022-07-21 11:33:31,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:33:31,294 INFO L225 Difference]: With dead ends: 2756 [2022-07-21 11:33:31,295 INFO L226 Difference]: Without dead ends: 1803 [2022-07-21 11:33:31,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:33:31,300 INFO L413 NwaCegarLoop]: 1594 mSDtfsCounter, 783 mSDsluCounter, 3982 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 5576 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:33:31,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 5576 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:33:31,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2022-07-21 11:33:31,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1782. [2022-07-21 11:33:31,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1782 states, 1433 states have (on average 1.3670621074668527) internal successors, (1959), 1438 states have internal predecessors, (1959), 261 states have call successors, (261), 82 states have call predecessors, (261), 87 states have return successors, (290), 261 states have call predecessors, (290), 260 states have call successors, (290) [2022-07-21 11:33:31,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1782 states and 2510 transitions. [2022-07-21 11:33:31,356 INFO L78 Accepts]: Start accepts. Automaton has 1782 states and 2510 transitions. Word has length 106 [2022-07-21 11:33:31,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:33:31,356 INFO L495 AbstractCegarLoop]: Abstraction has 1782 states and 2510 transitions. [2022-07-21 11:33:31,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-21 11:33:31,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2510 transitions. [2022-07-21 11:33:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-21 11:33:31,360 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:31,361 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:33:31,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:33:31,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:33:31,581 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:31,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:31,582 INFO L85 PathProgramCache]: Analyzing trace with hash -886730445, now seen corresponding path program 1 times [2022-07-21 11:33:31,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:33:31,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136380617] [2022-07-21 11:33:31,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:31,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:33:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:31,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:31,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:33:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:31,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:33:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:31,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:33:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:33:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:31,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-21 11:33:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:31,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 11:33:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:31,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:33:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:31,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:33:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:31,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 11:33:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:31,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-21 11:33:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:31,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:31,823 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-07-21 11:33:31,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:33:31,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136380617] [2022-07-21 11:33:31,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136380617] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:33:31,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941088636] [2022-07-21 11:33:31,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:31,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:33:31,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:33:31,835 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:33:31,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 11:33:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:32,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 1706 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-21 11:33:32,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:33:32,264 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-21 11:33:32,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:33:32,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941088636] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:32,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:33:32,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 7 [2022-07-21 11:33:32,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037976456] [2022-07-21 11:33:32,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:32,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:33:32,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:33:32,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:33:32,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:33:32,266 INFO L87 Difference]: Start difference. First operand 1782 states and 2510 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 11:33:32,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:33:32,353 INFO L93 Difference]: Finished difference Result 3564 states and 5016 transitions. [2022-07-21 11:33:32,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:33:32,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2022-07-21 11:33:32,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:33:32,361 INFO L225 Difference]: With dead ends: 3564 [2022-07-21 11:33:32,362 INFO L226 Difference]: Without dead ends: 1797 [2022-07-21 11:33:32,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 138 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:33:32,366 INFO L413 NwaCegarLoop]: 811 mSDtfsCounter, 34 mSDsluCounter, 2403 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 3214 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:33:32,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 3214 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:33:32,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2022-07-21 11:33:32,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1754. [2022-07-21 11:33:32,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1754 states, 1406 states have (on average 1.364153627311522) internal successors, (1918), 1410 states have internal predecessors, (1918), 260 states have call successors, (260), 82 states have call predecessors, (260), 87 states have return successors, (289), 261 states have call predecessors, (289), 259 states have call successors, (289) [2022-07-21 11:33:32,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1754 states and 2467 transitions. [2022-07-21 11:33:32,431 INFO L78 Accepts]: Start accepts. Automaton has 1754 states and 2467 transitions. Word has length 116 [2022-07-21 11:33:32,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:33:32,432 INFO L495 AbstractCegarLoop]: Abstraction has 1754 states and 2467 transitions. [2022-07-21 11:33:32,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 11:33:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2467 transitions. [2022-07-21 11:33:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-21 11:33:32,433 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:32,433 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2022-07-21 11:33:32,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:33:32,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:33:32,652 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:32,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:32,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1603760118, now seen corresponding path program 1 times [2022-07-21 11:33:32,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:33:32,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033237837] [2022-07-21 11:33:32,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:32,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:33:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:32,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:32,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:33:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:33:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:33:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:32,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:33:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:32,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:32,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:33:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:33:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:32,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:33:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:33,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 11:33:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:33,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:33:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:33,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 11:33:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:33,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:33,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:33,038 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-07-21 11:33:33,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:33:33,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033237837] [2022-07-21 11:33:33,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033237837] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:33:33,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946241052] [2022-07-21 11:33:33,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:33,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:33:33,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:33:33,055 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:33:33,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 11:33:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:33,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1732 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 11:33:33,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:33:33,634 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-21 11:33:33,635 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:33:33,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946241052] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:33,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:33:33,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2022-07-21 11:33:33,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728785706] [2022-07-21 11:33:33,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:33,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:33:33,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:33:33,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:33:33,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:33:33,637 INFO L87 Difference]: Start difference. First operand 1754 states and 2467 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 11:33:33,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:33:33,727 INFO L93 Difference]: Finished difference Result 3437 states and 4846 transitions. [2022-07-21 11:33:33,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:33:33,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 122 [2022-07-21 11:33:33,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:33:33,742 INFO L225 Difference]: With dead ends: 3437 [2022-07-21 11:33:33,743 INFO L226 Difference]: Without dead ends: 3434 [2022-07-21 11:33:33,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 146 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:33:33,746 INFO L413 NwaCegarLoop]: 915 mSDtfsCounter, 695 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:33:33,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 1718 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 11:33:33,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3434 states. [2022-07-21 11:33:33,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3434 to 3430. [2022-07-21 11:33:33,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3430 states, 2754 states have (on average 1.368554829339143) internal successors, (3769), 2764 states have internal predecessors, (3769), 504 states have call successors, (504), 160 states have call predecessors, (504), 171 states have return successors, (563), 505 states have call predecessors, (563), 503 states have call successors, (563) [2022-07-21 11:33:33,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3430 states to 3430 states and 4836 transitions. [2022-07-21 11:33:33,872 INFO L78 Accepts]: Start accepts. Automaton has 3430 states and 4836 transitions. Word has length 122 [2022-07-21 11:33:33,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:33:33,873 INFO L495 AbstractCegarLoop]: Abstraction has 3430 states and 4836 transitions. [2022-07-21 11:33:33,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-21 11:33:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 3430 states and 4836 transitions. [2022-07-21 11:33:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-21 11:33:33,875 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:33,875 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:33:33,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 11:33:34,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:33:34,097 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:34,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:34,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1427060572, now seen corresponding path program 1 times [2022-07-21 11:33:34,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:33:34,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592827796] [2022-07-21 11:33:34,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:34,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:33:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:34,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:34,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:33:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:34,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:33:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:34,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:33:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:34,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:33:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:34,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:33:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:34,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:33:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:34,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:33:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:34,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 11:33:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:34,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:33:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:34,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:33:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:34,235 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-21 11:33:34,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:33:34,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592827796] [2022-07-21 11:33:34,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592827796] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:34,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:33:34,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:33:34,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154059201] [2022-07-21 11:33:34,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:34,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:33:34,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:33:34,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:33:34,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:33:34,237 INFO L87 Difference]: Start difference. First operand 3430 states and 4836 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 11:33:36,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:37,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:33:37,399 INFO L93 Difference]: Finished difference Result 9158 states and 13159 transitions. [2022-07-21 11:33:37,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:33:37,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 131 [2022-07-21 11:33:37,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:33:37,422 INFO L225 Difference]: With dead ends: 9158 [2022-07-21 11:33:37,422 INFO L226 Difference]: Without dead ends: 5759 [2022-07-21 11:33:37,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:33:37,433 INFO L413 NwaCegarLoop]: 1180 mSDtfsCounter, 869 mSDsluCounter, 1282 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 368 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 2462 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:33:37,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 2462 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 638 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-07-21 11:33:37,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5759 states. [2022-07-21 11:33:37,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5759 to 4450. [2022-07-21 11:33:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4450 states, 3598 states have (on average 1.3576987215119511) internal successors, (4885), 3610 states have internal predecessors, (4885), 616 states have call successors, (616), 224 states have call predecessors, (616), 235 states have return successors, (671), 615 states have call predecessors, (671), 615 states have call successors, (671) [2022-07-21 11:33:37,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4450 states to 4450 states and 6172 transitions. [2022-07-21 11:33:37,620 INFO L78 Accepts]: Start accepts. Automaton has 4450 states and 6172 transitions. Word has length 131 [2022-07-21 11:33:37,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:33:37,620 INFO L495 AbstractCegarLoop]: Abstraction has 4450 states and 6172 transitions. [2022-07-21 11:33:37,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 11:33:37,620 INFO L276 IsEmpty]: Start isEmpty. Operand 4450 states and 6172 transitions. [2022-07-21 11:33:37,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-07-21 11:33:37,623 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:37,624 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 11:33:37,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 11:33:37,624 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:37,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:37,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1505603262, now seen corresponding path program 1 times [2022-07-21 11:33:37,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:33:37,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98866813] [2022-07-21 11:33:37,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:37,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:33:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:37,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:37,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:33:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:37,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:33:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:37,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:33:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:37,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:33:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:33:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:37,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:33:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:37,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:33:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:37,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 11:33:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:37,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:33:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:37,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 11:33:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:37,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:33:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:37,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-21 11:33:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-21 11:33:37,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:33:37,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98866813] [2022-07-21 11:33:37,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98866813] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:37,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:33:37,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:33:37,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522651394] [2022-07-21 11:33:37,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:37,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:33:37,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:33:37,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:33:37,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:33:37,774 INFO L87 Difference]: Start difference. First operand 4450 states and 6172 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:33:39,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:41,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:33:41,715 INFO L93 Difference]: Finished difference Result 13516 states and 19005 transitions. [2022-07-21 11:33:41,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:33:41,716 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 154 [2022-07-21 11:33:41,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:33:41,758 INFO L225 Difference]: With dead ends: 13516 [2022-07-21 11:33:41,758 INFO L226 Difference]: Without dead ends: 9097 [2022-07-21 11:33:41,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:33:41,770 INFO L413 NwaCegarLoop]: 1355 mSDtfsCounter, 846 mSDsluCounter, 3087 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 253 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 4442 SdHoareTripleChecker+Invalid, 1676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-21 11:33:41,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 4442 Invalid, 1676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [253 Valid, 1422 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-21 11:33:41,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9097 states. [2022-07-21 11:33:42,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9097 to 4458. [2022-07-21 11:33:42,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4458 states, 3606 states have (on average 1.3569051580698834) internal successors, (4893), 3618 states have internal predecessors, (4893), 616 states have call successors, (616), 224 states have call predecessors, (616), 235 states have return successors, (671), 615 states have call predecessors, (671), 615 states have call successors, (671) [2022-07-21 11:33:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4458 states to 4458 states and 6180 transitions. [2022-07-21 11:33:42,031 INFO L78 Accepts]: Start accepts. Automaton has 4458 states and 6180 transitions. Word has length 154 [2022-07-21 11:33:42,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:33:42,032 INFO L495 AbstractCegarLoop]: Abstraction has 4458 states and 6180 transitions. [2022-07-21 11:33:42,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:33:42,033 INFO L276 IsEmpty]: Start isEmpty. Operand 4458 states and 6180 transitions. [2022-07-21 11:33:42,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-07-21 11:33:42,036 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:42,036 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 11:33:42,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 11:33:42,037 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:42,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:42,037 INFO L85 PathProgramCache]: Analyzing trace with hash 772590780, now seen corresponding path program 1 times [2022-07-21 11:33:42,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:33:42,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061233540] [2022-07-21 11:33:42,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:42,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:33:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:42,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:42,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:33:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:42,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:33:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:42,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:33:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:42,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:33:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:42,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:42,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:33:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:42,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:33:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:42,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:33:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:42,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 11:33:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:42,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:33:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:42,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 11:33:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:42,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:33:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:42,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-21 11:33:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:42,241 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-21 11:33:42,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:33:42,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061233540] [2022-07-21 11:33:42,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061233540] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:42,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:33:42,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:33:42,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753852637] [2022-07-21 11:33:42,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:42,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:33:42,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:33:42,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:33:42,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:33:42,243 INFO L87 Difference]: Start difference. First operand 4458 states and 6180 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:33:44,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:45,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:33:45,821 INFO L93 Difference]: Finished difference Result 11734 states and 16599 transitions. [2022-07-21 11:33:45,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:33:45,821 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 160 [2022-07-21 11:33:45,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:33:45,847 INFO L225 Difference]: With dead ends: 11734 [2022-07-21 11:33:45,848 INFO L226 Difference]: Without dead ends: 7307 [2022-07-21 11:33:45,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:33:45,860 INFO L413 NwaCegarLoop]: 1277 mSDtfsCounter, 604 mSDsluCounter, 1716 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 224 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 2993 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:33:45,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 2993 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 1053 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-07-21 11:33:45,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7307 states. [2022-07-21 11:33:46,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7307 to 5514. [2022-07-21 11:33:46,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5514 states, 4474 states have (on average 1.3484577559231112) internal successors, (6033), 4488 states have internal predecessors, (6033), 728 states have call successors, (728), 300 states have call predecessors, (728), 311 states have return successors, (775), 725 states have call predecessors, (775), 727 states have call successors, (775) [2022-07-21 11:33:46,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5514 states to 5514 states and 7536 transitions. [2022-07-21 11:33:46,123 INFO L78 Accepts]: Start accepts. Automaton has 5514 states and 7536 transitions. Word has length 160 [2022-07-21 11:33:46,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:33:46,123 INFO L495 AbstractCegarLoop]: Abstraction has 5514 states and 7536 transitions. [2022-07-21 11:33:46,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:33:46,123 INFO L276 IsEmpty]: Start isEmpty. Operand 5514 states and 7536 transitions. [2022-07-21 11:33:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-21 11:33:46,129 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:46,130 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:33:46,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 11:33:46,130 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:46,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:46,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1258844308, now seen corresponding path program 1 times [2022-07-21 11:33:46,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:33:46,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712560344] [2022-07-21 11:33:46,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:46,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:33:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:33:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:33:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:33:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:33:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:33:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:33:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:33:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 11:33:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:33:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 11:33:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:33:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 11:33:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 11:33:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:33:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 11:33:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:46,380 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-07-21 11:33:46,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:33:46,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712560344] [2022-07-21 11:33:46,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712560344] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:46,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:33:46,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:33:46,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080115069] [2022-07-21 11:33:46,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:46,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:33:46,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:33:46,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:33:46,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:33:46,383 INFO L87 Difference]: Start difference. First operand 5514 states and 7536 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 11:33:48,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:49,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:33:49,957 INFO L93 Difference]: Finished difference Result 17984 states and 25077 transitions. [2022-07-21 11:33:49,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 11:33:49,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 205 [2022-07-21 11:33:49,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:33:49,998 INFO L225 Difference]: With dead ends: 17984 [2022-07-21 11:33:49,998 INFO L226 Difference]: Without dead ends: 12501 [2022-07-21 11:33:50,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:33:50,012 INFO L413 NwaCegarLoop]: 1461 mSDtfsCounter, 1186 mSDsluCounter, 2510 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 412 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1227 SdHoareTripleChecker+Valid, 3971 SdHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:33:50,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1227 Valid, 3971 Invalid, 1485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 1072 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-07-21 11:33:50,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12501 states. [2022-07-21 11:33:50,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12501 to 5522. [2022-07-21 11:33:50,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5522 states, 4482 states have (on average 1.3478357875948237) internal successors, (6041), 4496 states have internal predecessors, (6041), 728 states have call successors, (728), 300 states have call predecessors, (728), 311 states have return successors, (775), 725 states have call predecessors, (775), 727 states have call successors, (775) [2022-07-21 11:33:50,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5522 states to 5522 states and 7544 transitions. [2022-07-21 11:33:50,313 INFO L78 Accepts]: Start accepts. Automaton has 5522 states and 7544 transitions. Word has length 205 [2022-07-21 11:33:50,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:33:50,314 INFO L495 AbstractCegarLoop]: Abstraction has 5522 states and 7544 transitions. [2022-07-21 11:33:50,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 11:33:50,314 INFO L276 IsEmpty]: Start isEmpty. Operand 5522 states and 7544 transitions. [2022-07-21 11:33:50,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-21 11:33:50,321 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:50,322 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:33:50,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 11:33:50,322 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:50,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:50,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1303563374, now seen corresponding path program 1 times [2022-07-21 11:33:50,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:33:50,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148579928] [2022-07-21 11:33:50,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:50,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:33:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:33:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:33:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:33:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:33:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:33:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:33:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:33:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 11:33:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:33:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 11:33:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:33:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 11:33:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 11:33:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:33:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 11:33:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:33:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-21 11:33:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 11:33:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-21 11:33:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:33:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 11:33:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 11:33:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:50,648 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-21 11:33:50,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:33:50,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148579928] [2022-07-21 11:33:50,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148579928] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:50,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:33:50,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:33:50,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665426136] [2022-07-21 11:33:50,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:50,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:33:50,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:33:50,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:33:50,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:33:50,651 INFO L87 Difference]: Start difference. First operand 5522 states and 7544 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 11:33:51,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:53,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:54,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:33:54,335 INFO L93 Difference]: Finished difference Result 12803 states and 17893 transitions. [2022-07-21 11:33:54,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:33:54,335 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 260 [2022-07-21 11:33:54,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:33:54,349 INFO L225 Difference]: With dead ends: 12803 [2022-07-21 11:33:54,349 INFO L226 Difference]: Without dead ends: 7312 [2022-07-21 11:33:54,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:33:54,357 INFO L413 NwaCegarLoop]: 810 mSDtfsCounter, 1033 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 1341 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:33:54,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1093 Valid, 1341 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [338 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-21 11:33:54,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7312 states. [2022-07-21 11:33:54,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7312 to 5522. [2022-07-21 11:33:54,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5522 states, 4482 states have (on average 1.3045515394912985) internal successors, (5847), 4496 states have internal predecessors, (5847), 728 states have call successors, (728), 300 states have call predecessors, (728), 311 states have return successors, (775), 725 states have call predecessors, (775), 727 states have call successors, (775) [2022-07-21 11:33:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5522 states to 5522 states and 7350 transitions. [2022-07-21 11:33:54,519 INFO L78 Accepts]: Start accepts. Automaton has 5522 states and 7350 transitions. Word has length 260 [2022-07-21 11:33:54,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:33:54,519 INFO L495 AbstractCegarLoop]: Abstraction has 5522 states and 7350 transitions. [2022-07-21 11:33:54,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 3 states have internal predecessors, (139), 3 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-21 11:33:54,519 INFO L276 IsEmpty]: Start isEmpty. Operand 5522 states and 7350 transitions. [2022-07-21 11:33:54,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-21 11:33:54,525 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:54,525 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:33:54,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 11:33:54,525 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:54,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:54,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1774815124, now seen corresponding path program 1 times [2022-07-21 11:33:54,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:33:54,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685981093] [2022-07-21 11:33:54,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:54,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:33:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:33:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:33:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:33:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:33:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:33:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:33:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:33:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 11:33:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:33:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 11:33:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:33:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 11:33:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 11:33:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:33:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 11:33:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:33:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-21 11:33:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 11:33:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-21 11:33:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:33:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 11:33:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 11:33:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:54,763 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-21 11:33:54,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:33:54,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685981093] [2022-07-21 11:33:54,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685981093] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:54,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:33:54,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:33:54,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769909006] [2022-07-21 11:33:54,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:54,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:33:54,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:33:54,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:33:54,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:33:54,765 INFO L87 Difference]: Start difference. First operand 5522 states and 7350 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 11:33:56,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:33:57,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:33:57,529 INFO L93 Difference]: Finished difference Result 12799 states and 17333 transitions. [2022-07-21 11:33:57,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:33:57,530 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 260 [2022-07-21 11:33:57,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:33:57,549 INFO L225 Difference]: With dead ends: 12799 [2022-07-21 11:33:57,550 INFO L226 Difference]: Without dead ends: 7308 [2022-07-21 11:33:57,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:33:57,560 INFO L413 NwaCegarLoop]: 850 mSDtfsCounter, 336 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 256 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 2045 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-21 11:33:57,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 2045 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [256 Valid, 412 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-07-21 11:33:57,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7308 states. [2022-07-21 11:33:57,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7308 to 5526. [2022-07-21 11:33:57,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5526 states, 4486 states have (on average 1.304279982166741) internal successors, (5851), 4500 states have internal predecessors, (5851), 728 states have call successors, (728), 300 states have call predecessors, (728), 311 states have return successors, (775), 725 states have call predecessors, (775), 727 states have call successors, (775) [2022-07-21 11:33:57,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5526 states to 5526 states and 7354 transitions. [2022-07-21 11:33:57,785 INFO L78 Accepts]: Start accepts. Automaton has 5526 states and 7354 transitions. Word has length 260 [2022-07-21 11:33:57,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:33:57,785 INFO L495 AbstractCegarLoop]: Abstraction has 5526 states and 7354 transitions. [2022-07-21 11:33:57,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 11:33:57,786 INFO L276 IsEmpty]: Start isEmpty. Operand 5526 states and 7354 transitions. [2022-07-21 11:33:57,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-21 11:33:57,792 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:33:57,793 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:33:57,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 11:33:57,793 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:33:57,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:33:57,793 INFO L85 PathProgramCache]: Analyzing trace with hash 745455826, now seen corresponding path program 1 times [2022-07-21 11:33:57,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:33:57,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293285051] [2022-07-21 11:33:57,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:33:57,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:33:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:33:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:33:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:33:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:33:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:33:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:33:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:33:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:33:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 11:33:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:33:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 11:33:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:33:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 11:33:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 11:33:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:33:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:33:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 11:33:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:33:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-21 11:33:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:57,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 11:33:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:58,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-21 11:33:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:58,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:33:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:58,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 11:33:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 11:33:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:33:58,022 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-21 11:33:58,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:33:58,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293285051] [2022-07-21 11:33:58,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293285051] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:33:58,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:33:58,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:33:58,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696587484] [2022-07-21 11:33:58,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:33:58,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:33:58,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:33:58,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:33:58,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:33:58,026 INFO L87 Difference]: Start difference. First operand 5526 states and 7354 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 11:33:59,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:01,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:03,904 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:04,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:34:04,579 INFO L93 Difference]: Finished difference Result 12815 states and 17361 transitions. [2022-07-21 11:34:04,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:34:04,580 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 260 [2022-07-21 11:34:04,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:34:04,596 INFO L225 Difference]: With dead ends: 12815 [2022-07-21 11:34:04,596 INFO L226 Difference]: Without dead ends: 7320 [2022-07-21 11:34:04,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:34:04,604 INFO L413 NwaCegarLoop]: 850 mSDtfsCounter, 336 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 259 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 2046 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:34:04,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 2046 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 417 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-07-21 11:34:04,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7320 states. [2022-07-21 11:34:04,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7320 to 5530. [2022-07-21 11:34:04,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5530 states, 4490 states have (on average 1.3040089086859687) internal successors, (5855), 4504 states have internal predecessors, (5855), 728 states have call successors, (728), 300 states have call predecessors, (728), 311 states have return successors, (775), 725 states have call predecessors, (775), 727 states have call successors, (775) [2022-07-21 11:34:04,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5530 states to 5530 states and 7358 transitions. [2022-07-21 11:34:04,776 INFO L78 Accepts]: Start accepts. Automaton has 5530 states and 7358 transitions. Word has length 260 [2022-07-21 11:34:04,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:34:04,777 INFO L495 AbstractCegarLoop]: Abstraction has 5530 states and 7358 transitions. [2022-07-21 11:34:04,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 11:34:04,777 INFO L276 IsEmpty]: Start isEmpty. Operand 5530 states and 7358 transitions. [2022-07-21 11:34:04,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-21 11:34:04,783 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:34:04,784 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:34:04,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 11:34:04,784 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:34:04,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:34:04,784 INFO L85 PathProgramCache]: Analyzing trace with hash 673069268, now seen corresponding path program 1 times [2022-07-21 11:34:04,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:34:04,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375867130] [2022-07-21 11:34:04,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:34:04,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:34:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:34:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:34:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:34:04,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:34:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:34:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:34:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:34:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:34:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:34:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 11:34:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:34:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 11:34:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:34:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 11:34:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:34:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 11:34:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:34:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:34:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 11:34:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:34:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-21 11:34:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 11:34:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-21 11:34:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:34:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:04,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 11:34:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:05,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 11:34:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-21 11:34:05,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:34:05,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375867130] [2022-07-21 11:34:05,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375867130] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:34:05,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:34:05,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:34:05,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402136330] [2022-07-21 11:34:05,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:34:05,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:34:05,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:34:05,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:34:05,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:34:05,009 INFO L87 Difference]: Start difference. First operand 5530 states and 7358 transitions. Second operand has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 11:34:07,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:08,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:34:08,295 INFO L93 Difference]: Finished difference Result 12823 states and 17357 transitions. [2022-07-21 11:34:08,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:34:08,295 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 260 [2022-07-21 11:34:08,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:34:08,332 INFO L225 Difference]: With dead ends: 12823 [2022-07-21 11:34:08,332 INFO L226 Difference]: Without dead ends: 7324 [2022-07-21 11:34:08,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:34:08,342 INFO L413 NwaCegarLoop]: 814 mSDtfsCounter, 171 mSDsluCounter, 2710 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 127 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 3524 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:34:08,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 3524 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1021 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-07-21 11:34:08,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7324 states. [2022-07-21 11:34:08,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7324 to 5538. [2022-07-21 11:34:08,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5538 states, 4498 states have (on average 1.3034682080924855) internal successors, (5863), 4512 states have internal predecessors, (5863), 728 states have call successors, (728), 300 states have call predecessors, (728), 311 states have return successors, (775), 725 states have call predecessors, (775), 727 states have call successors, (775) [2022-07-21 11:34:08,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5538 states to 5538 states and 7366 transitions. [2022-07-21 11:34:08,546 INFO L78 Accepts]: Start accepts. Automaton has 5538 states and 7366 transitions. Word has length 260 [2022-07-21 11:34:08,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:34:08,547 INFO L495 AbstractCegarLoop]: Abstraction has 5538 states and 7366 transitions. [2022-07-21 11:34:08,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 11:34:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand 5538 states and 7366 transitions. [2022-07-21 11:34:08,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-21 11:34:08,553 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:34:08,553 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:34:08,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-21 11:34:08,553 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:34:08,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:34:08,554 INFO L85 PathProgramCache]: Analyzing trace with hash -170936234, now seen corresponding path program 1 times [2022-07-21 11:34:08,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:34:08,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349056472] [2022-07-21 11:34:08,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:34:08,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:34:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:34:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:34:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:34:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:34:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:34:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:34:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:34:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:34:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:34:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 11:34:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:34:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 11:34:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:34:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 11:34:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:34:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 11:34:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:34:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:34:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 11:34:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:34:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-21 11:34:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 11:34:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-21 11:34:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 11:34:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 11:34:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 11:34:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:08,900 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-07-21 11:34:08,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:34:08,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349056472] [2022-07-21 11:34:08,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349056472] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:34:08,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419461008] [2022-07-21 11:34:08,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:34:08,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:34:08,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:34:08,902 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:34:08,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 11:34:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:09,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 2509 conjuncts, 37 conjunts are in the unsatisfiable core [2022-07-21 11:34:09,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:34:09,564 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-07-21 11:34:09,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:34:09,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419461008] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:34:09,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:34:09,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 11 [2022-07-21 11:34:09,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615562341] [2022-07-21 11:34:09,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:34:09,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:34:09,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:34:09,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:34:09,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:34:09,567 INFO L87 Difference]: Start difference. First operand 5538 states and 7366 transitions. Second operand has 8 states, 8 states have (on average 19.0) internal successors, (152), 6 states have internal predecessors, (152), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 4 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-21 11:34:09,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:34:09,877 INFO L93 Difference]: Finished difference Result 11955 states and 15954 transitions. [2022-07-21 11:34:09,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 11:34:09,877 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 6 states have internal predecessors, (152), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 4 states have call predecessors, (25), 2 states have call successors, (25) Word has length 260 [2022-07-21 11:34:09,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:34:09,901 INFO L225 Difference]: With dead ends: 11955 [2022-07-21 11:34:09,901 INFO L226 Difference]: Without dead ends: 6448 [2022-07-21 11:34:09,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 309 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-07-21 11:34:09,909 INFO L413 NwaCegarLoop]: 968 mSDtfsCounter, 158 mSDsluCounter, 5620 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 6588 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:34:09,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 6588 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:34:09,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6448 states. [2022-07-21 11:34:10,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6448 to 5570. [2022-07-21 11:34:10,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5570 states, 4522 states have (on average 1.3018575851393188) internal successors, (5887), 4536 states have internal predecessors, (5887), 728 states have call successors, (728), 300 states have call predecessors, (728), 319 states have return successors, (795), 733 states have call predecessors, (795), 727 states have call successors, (795) [2022-07-21 11:34:10,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5570 states to 5570 states and 7410 transitions. [2022-07-21 11:34:10,146 INFO L78 Accepts]: Start accepts. Automaton has 5570 states and 7410 transitions. Word has length 260 [2022-07-21 11:34:10,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:34:10,146 INFO L495 AbstractCegarLoop]: Abstraction has 5570 states and 7410 transitions. [2022-07-21 11:34:10,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 6 states have internal predecessors, (152), 2 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (25), 4 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-21 11:34:10,146 INFO L276 IsEmpty]: Start isEmpty. Operand 5570 states and 7410 transitions. [2022-07-21 11:34:10,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-21 11:34:10,152 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:34:10,153 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:34:10,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-21 11:34:10,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-21 11:34:10,374 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:34:10,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:34:10,375 INFO L85 PathProgramCache]: Analyzing trace with hash 366471199, now seen corresponding path program 2 times [2022-07-21 11:34:10,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:34:10,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884838886] [2022-07-21 11:34:10,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:34:10,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:34:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:34:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:34:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:34:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:34:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:34:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:34:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:34:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:34:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:34:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 11:34:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 11:34:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 11:34:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:34:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:34:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 11:34:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:34:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 11:34:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:34:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:34:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 11:34:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:34:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 11:34:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-21 11:34:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-21 11:34:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 11:34:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:34:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 11:34:10,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:10,754 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 29 proven. 8 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-07-21 11:34:10,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:34:10,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884838886] [2022-07-21 11:34:10,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884838886] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:34:10,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108382666] [2022-07-21 11:34:10,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:34:10,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:34:10,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:34:10,772 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:34:10,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 11:34:11,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 11:34:11,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:34:11,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 2535 conjuncts, 49 conjunts are in the unsatisfiable core [2022-07-21 11:34:11,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:34:11,423 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-07-21 11:34:11,424 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:34:11,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108382666] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:34:11,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:34:11,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 13 [2022-07-21 11:34:11,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336554531] [2022-07-21 11:34:11,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:34:11,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 11:34:11,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:34:11,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 11:34:11,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-07-21 11:34:11,426 INFO L87 Difference]: Start difference. First operand 5570 states and 7410 transitions. Second operand has 10 states, 10 states have (on average 15.3) internal successors, (153), 7 states have internal predecessors, (153), 2 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (26), 5 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 11:34:11,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:34:11,733 INFO L93 Difference]: Finished difference Result 12591 states and 16836 transitions. [2022-07-21 11:34:11,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 11:34:11,734 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 7 states have internal predecessors, (153), 2 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (26), 5 states have call predecessors, (26), 2 states have call successors, (26) Word has length 266 [2022-07-21 11:34:11,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:34:11,753 INFO L225 Difference]: With dead ends: 12591 [2022-07-21 11:34:11,753 INFO L226 Difference]: Without dead ends: 7052 [2022-07-21 11:34:11,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 317 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-07-21 11:34:11,760 INFO L413 NwaCegarLoop]: 1060 mSDtfsCounter, 221 mSDsluCounter, 8198 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 9258 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:34:11,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 9258 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:34:11,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7052 states. [2022-07-21 11:34:11,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7052 to 5614. [2022-07-21 11:34:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5614 states, 4554 states have (on average 1.2997364953886692) internal successors, (5919), 4568 states have internal predecessors, (5919), 728 states have call successors, (728), 300 states have call predecessors, (728), 331 states have return successors, (831), 745 states have call predecessors, (831), 727 states have call successors, (831) [2022-07-21 11:34:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5614 states to 5614 states and 7478 transitions. [2022-07-21 11:34:11,957 INFO L78 Accepts]: Start accepts. Automaton has 5614 states and 7478 transitions. Word has length 266 [2022-07-21 11:34:11,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:34:11,958 INFO L495 AbstractCegarLoop]: Abstraction has 5614 states and 7478 transitions. [2022-07-21 11:34:11,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 7 states have internal predecessors, (153), 2 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (26), 5 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 11:34:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 5614 states and 7478 transitions. [2022-07-21 11:34:11,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-21 11:34:11,964 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:34:11,965 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:34:12,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-21 11:34:12,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-07-21 11:34:12,200 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:34:12,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:34:12,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1251851727, now seen corresponding path program 3 times [2022-07-21 11:34:12,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:34:12,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765229023] [2022-07-21 11:34:12,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:34:12,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:34:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 11:34:12,751 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 11:34:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 11:34:13,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-21 11:34:13,388 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 11:34:13,389 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 11:34:13,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 11:34:13,393 INFO L356 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:34:13,398 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 11:34:13,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:34:13 BoogieIcfgContainer [2022-07-21 11:34:13,599 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 11:34:13,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 11:34:13,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 11:34:13,599 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 11:34:13,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:33:14" (3/4) ... [2022-07-21 11:34:13,602 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 11:34:13,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 11:34:13,602 INFO L158 Benchmark]: Toolchain (without parser) took 64264.44ms. Allocated memory was 54.5MB in the beginning and 752.9MB in the end (delta: 698.4MB). Free memory was 25.8MB in the beginning and 193.6MB in the end (delta: -167.8MB). Peak memory consumption was 530.9MB. Max. memory is 16.1GB. [2022-07-21 11:34:13,602 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:34:13,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1250.06ms. Allocated memory was 54.5MB in the beginning and 96.5MB in the end (delta: 41.9MB). Free memory was 25.6MB in the beginning and 39.8MB in the end (delta: -14.2MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2022-07-21 11:34:13,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.09ms. Allocated memory is still 96.5MB. Free memory was 39.8MB in the beginning and 47.9MB in the end (delta: -8.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-07-21 11:34:13,603 INFO L158 Benchmark]: Boogie Preprocessor took 133.32ms. Allocated memory is still 96.5MB. Free memory was 47.9MB in the beginning and 34.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-21 11:34:13,603 INFO L158 Benchmark]: RCFGBuilder took 3855.64ms. Allocated memory was 96.5MB in the beginning and 180.4MB in the end (delta: 83.9MB). Free memory was 34.8MB in the beginning and 51.8MB in the end (delta: -17.0MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2022-07-21 11:34:13,603 INFO L158 Benchmark]: TraceAbstraction took 58881.24ms. Allocated memory was 180.4MB in the beginning and 752.9MB in the end (delta: 572.5MB). Free memory was 50.8MB in the beginning and 193.6MB in the end (delta: -142.8MB). Peak memory consumption was 430.4MB. Max. memory is 16.1GB. [2022-07-21 11:34:13,603 INFO L158 Benchmark]: Witness Printer took 2.61ms. Allocated memory is still 752.9MB. Free memory is still 193.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 11:34:13,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1250.06ms. Allocated memory was 54.5MB in the beginning and 96.5MB in the end (delta: 41.9MB). Free memory was 25.6MB in the beginning and 39.8MB in the end (delta: -14.2MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.09ms. Allocated memory is still 96.5MB. Free memory was 39.8MB in the beginning and 47.9MB in the end (delta: -8.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.32ms. Allocated memory is still 96.5MB. Free memory was 47.9MB in the beginning and 34.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3855.64ms. Allocated memory was 96.5MB in the beginning and 180.4MB in the end (delta: 83.9MB). Free memory was 34.8MB in the beginning and 51.8MB in the end (delta: -17.0MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. * TraceAbstraction took 58881.24ms. Allocated memory was 180.4MB in the beginning and 752.9MB in the end (delta: 572.5MB). Free memory was 50.8MB in the beginning and 193.6MB in the end (delta: -142.8MB). Peak memory consumption was 430.4MB. Max. memory is 16.1GB. * Witness Printer took 2.61ms. Allocated memory is still 752.9MB. Free memory is still 193.6MB. There was no memory consumed. Max. memory is 16.1GB. * 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: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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 ; 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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] CALL, EXPR ldv_zalloc(1UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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] [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 [\old(size)=1, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, size=1, tmp___0=1, usb_counter=0] [L5348] RET, EXPR ldv_zalloc(1UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, ldv_zalloc(1UL)={0:0}, 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 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, ldvarg0=4294967183, ldvarg3=4294967192, ldvarg7={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, usb_counter=0] [L5354] CALL, EXPR ldv_zalloc(192UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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] [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 [\old(size)=192, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, size=192, tmp___0=1, usb_counter=0] [L5354] RET, EXPR ldv_zalloc(192UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, ldv_zalloc(192UL)={0:0}, ldvarg0=4294967183, ldvarg3=4294967192, ldvarg7={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, 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 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg3=4294967192, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, usb_counter=0] [L5360] CALL, EXPR ldv_zalloc(44UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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] [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 [\old(size)=44, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, size=44, tmp___0=1, usb_counter=0] [L5360] RET, EXPR ldv_zalloc(44UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, ldv_zalloc(44UL)={0:0}, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg3=4294967192, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, 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 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, usb_counter=0] [L5364] CALL, EXPR ldv_zalloc(24UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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] [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 [\old(size)=24, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, size=24, tmp___0=1, usb_counter=0] [L5364] RET, EXPR ldv_zalloc(24UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, ldv_zalloc(24UL)={0:0}, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, usb_counter=0] [L5364] tmp___7 = ldv_zalloc(24UL) [L5365] ldvarg8 = (struct usb_device_id *)tmp___7 [L5366] CALL ldv_initialize() [L5754] CALL, EXPR ldv_malloc(sizeof(struct tty_struct___0)) VAL [\old(size)=2516, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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] [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 VAL [\old(size)=2516, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, p={-18446744073709551615:0}, ref_cnt=0, size=2516, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L4361] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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] [L4347] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, cond=1, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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] [L4361] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2516, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, p={-18446744073709551615:0}, ref_cnt=0, size=2516, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L4362] return (p); VAL [\old(size)=2516, \result={-18446744073709551615:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, p={-18446744073709551615:0}, ref_cnt=0, size=2516, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L5754] RET, EXPR ldv_malloc(sizeof(struct tty_struct___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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={0:0}, ldv_malloc(sizeof(struct tty_struct___0))={-18446744073709551615:0}, 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [L5366] RET ldv_initialize() [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ldvarg8={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, tmp___7={0:0}, 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ldvarg8={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, tmp___7={0:0}, tmp___8=1, 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ldvarg8={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___10=1, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, tmp___7={0:0}, tmp___8=1, usb_counter=0] [L5600] COND TRUE ldv_state_variable_0 == 1 [L5601] CALL, EXPR kobil_init() [L5260] int retval ; [L5262] CALL, EXPR usb_serial_register(& kobil_device) [L5884] return __VERIFIER_nondet_int(); [L5262] RET, EXPR usb_serial_register(& kobil_device) [L5262] retval = usb_serial_register(& kobil_device) [L5263] COND FALSE !(retval != 0) [L5267] CALL, EXPR usb_register(& kobil_driver) [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 ; [L5690] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L5870] return __VERIFIER_nondet_int(); [L5690] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [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 [L5694] CALL ldv_usb_driver_2() [L5316] void *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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] CALL, EXPR ldv_zalloc(1248UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [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 [\old(size)=1248, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=1248, tmp___0=1, usb_counter=0] [L5318] RET, EXPR ldv_zalloc(1248UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldv_zalloc(1248UL)={0:0}, 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, tmp={0:0}, usb_counter=0] [L5694] RET ldv_usb_driver_2() [L5695] return (ldv_func_res); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, ldv_func_arg1={101:0}, ldv_func_arg1={101:0}, ldv_func_arg2={36893488147419103140:36893488147419103124}, ldv_func_arg2={36893488147419103140:36893488147419103124}, ldv_func_arg3={4:0}, ldv_func_arg3={4:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, tmp=0, usb_counter=0] [L4507] RET, EXPR ldv_usb_register_driver_5(driver, & __this_module, "kobil_sct") [L4507] tmp = ldv_usb_register_driver_5(driver, & __this_module, "kobil_sct") [L4508] return (tmp); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, driver={101:0}, driver={101:0}, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, tmp=0, usb_counter=0] [L5267] RET, EXPR usb_register(& kobil_driver) [L5267] retval = usb_register(& kobil_driver) [L5268] COND FALSE !(retval != 0) [L5273] return (0); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, retval=0, usb_counter=0] [L5601] RET, EXPR kobil_init() [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ldvarg8={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___10=1, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, tmp___7={0:0}, tmp___8=1, usb_counter=0] [L5607] COND TRUE ldv_retval_2 == 0 [L5608] ldv_state_variable_0 = 2 [L5609] ldv_state_variable_1 = 1 [L5610] CALL ldv_initialize_usb_serial_driver_1() [L5298] void *tmp ; [L5299] void *tmp___0 ; [L5300] void *tmp___1 ; [L5301] void *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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] CALL, EXPR ldv_zalloc(336UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [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 [\old(size)=336, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=336, tmp___0=1, usb_counter=0] [L5303] RET, EXPR ldv_zalloc(336UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldv_zalloc(336UL)={0:0}, ref_cnt=0, usb_counter=0] [L5303] tmp = ldv_zalloc(336UL) [L5304] kobil_device_group0 = (struct file *)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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, tmp={0:0}, usb_counter=0] [L5305] CALL, EXPR ldv_zalloc(2704UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [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 [\old(size)=2704, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=2704, tmp___0=1, usb_counter=0] [L5305] RET, EXPR ldv_zalloc(2704UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldv_zalloc(2704UL)={0:0}, ref_cnt=0, tmp={0:0}, usb_counter=0] [L5305] tmp___0 = ldv_zalloc(2704UL) [L5306] kobil_device_group1 = (struct tty_struct *)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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L5307] CALL, EXPR ldv_zalloc(280UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [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 [\old(size)=280, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=280, tmp___0=1, usb_counter=0] [L5307] RET, EXPR ldv_zalloc(280UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldv_zalloc(280UL)={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L5307] tmp___1 = ldv_zalloc(280UL) [L5308] kobil_device_group2 = (struct usb_serial *)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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, usb_counter=0] [L5309] CALL, EXPR ldv_zalloc(2320UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [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 [\old(size)=2320, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=2320, tmp___0=1, usb_counter=0] [L5309] RET, EXPR ldv_zalloc(2320UL) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldv_zalloc(2320UL)={0:0}, ref_cnt=0, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2={0:0}, usb_counter=0] [L5610] RET ldv_initialize_usb_serial_driver_1() [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ldvarg8={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___10=1, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, tmp___7={0:0}, tmp___8=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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ldvarg8={0:0}, ref_cnt=0, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___10=1, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, tmp___7={0:0}, tmp___8=0, tmp___9=13, usb_counter=0] [L5573] COND TRUE ldv_state_variable_1 == 1 [L5574] CALL ldv_probe_1() [L5817] return __VERIFIER_nondet_int(); [L5574] RET ldv_probe_1() [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ldvarg8={0:0}, ref_cnt=1, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___10=1, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, tmp___7={0:0}, tmp___8=0, tmp___9=13, 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ldvarg8={0:0}, ref_cnt=1, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___10=1, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, tmp___7={0:0}, tmp___8=0, tmp___9=13, 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ldvarg8={0:0}, ref_cnt=1, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___10=1, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, tmp___7={0:0}, tmp___8=0, tmp___9=1, usb_counter=0] [L5387] COND TRUE ldv_state_variable_1 == 2 [L5388] CALL, EXPR kobil_startup(kobil_device_group2) [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 ; 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, serial={0:0}, serial={0:0}, usb_counter=0] [L4647] CALL, EXPR kmalloc(320UL, 208U) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [L4300] void *ret ; [L4301] void *tmp ; [L4302] struct kmem_cache *s ; [L4303] struct kmem_cache *tmp___0 ; [L4304] void *tmp___1 ; VAL [\old(flags)=208, \old(size)=320, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, flags=208, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=320, usb_counter=0] [L4306] COND FALSE !(0) VAL [\old(flags)=208, \old(size)=320, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, flags=208, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=320, usb_counter=0] [L4327] CALL, EXPR __kmalloc(size, flags) [L4277] CALL, EXPR ldv_malloc(size) VAL [\old(size)=320, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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 VAL [\old(size)=320, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, p={-18446744073709551617:0}, ref_cnt=1, size=320, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0] [L4361] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [L4347] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, cond=1, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [L4361] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=320, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, p={-18446744073709551617:0}, ref_cnt=1, size=320, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0] [L4362] return (p); VAL [\old(size)=320, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, p={-18446744073709551617:0}, ref_cnt=1, size=320, tmp={-18446744073709551617:0}, tmp___0=0, usb_counter=0] [L4277] RET, EXPR ldv_malloc(size) VAL [\old(size)=320, \old(t)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, ldv_malloc(size)={-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, size=320, t=208, usb_counter=0] [L4277] return ldv_malloc(size); [L4327] RET, EXPR __kmalloc(size, flags) [L4327] tmp___1 = __kmalloc(size, flags) [L4328] return (tmp___1); VAL [\old(flags)=208, \old(size)=320, \result={-18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, flags=208, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=320, tmp___1={-18446744073709551617:0}, usb_counter=0] [L4647] RET, EXPR kmalloc(320UL, 208U) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kmalloc(320UL, 208U)={-18446744073709551617:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, serial={0:0}, serial={0:0}, 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, priv={-18446744073709551617:0}, ref_cnt=1, serial={0:0}, serial={0:0}, tmp={-18446744073709551617:0}, 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] EXPR serial->port[0] [L4671] CALL usb_set_serial_port_data(serial->port[0], (void *)priv) [L4558] FCALL dev_set_drvdata(& port->dev, data) [L4671] RET usb_set_serial_port_data(serial->port[0], (void *)priv) [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={36893488147419103140:36893488147419103124}, actconfig={36893488147419103137:-4}, altsetting={36893488147419103136:-14}, debug=0, endpoint={36893488147419103138:36893488147419103145}, i=0, id_table={100:0}, interface={36893488147419103141:-11}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, pdev={36893488147419103142:113}, priv={-18446744073709551617:0}, priv->device_type=73745, ref_cnt=1, serial={0:0}, serial={0:0}, tmp={-18446744073709551617:0}, 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={36893488147419103140:36893488147419103124}, actconfig={36893488147419103137:-4}, altsetting={36893488147419103136:-14}, altsetting->desc.bNumEndpoints=256, debug=0, endpoint={36893488147419103138:36893488147419103145}, i=0, id_table={100:0}, interface={36893488147419103141:-11}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, pdev={36893488147419103142:113}, priv={-18446744073709551617:0}, priv->device_type=73745, ref_cnt=1, serial={0:0}, serial={0:0}, tmp={-18446744073709551617:0}, usb_counter=0] [L4703] COND FALSE !((int )altsetting->desc.bNumEndpoints > i) [L4707] return (0); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, actconfig={36893488147419103137:-4}, altsetting={36893488147419103136:-14}, debug=0, endpoint={36893488147419103138:36893488147419103145}, i=0, id_table={100:0}, interface={36893488147419103141:-11}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, pdev={36893488147419103142:113}, priv={-18446744073709551617:0}, priv->device_type=73745, ref_cnt=1, serial={0:0}, serial={0:0}, tmp={-18446744073709551617:0}, usb_counter=0] [L5388] RET, EXPR kobil_startup(kobil_device_group2) [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ldvarg8={0:0}, ref_cnt=1, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___10=1, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, tmp___7={0:0}, tmp___8=0, tmp___9=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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ldvarg8={0:0}, ref_cnt=1, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___10=1, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, tmp___7={0:0}, tmp___8=0, tmp___9=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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ldvarg8={0:0}, ref_cnt=1, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___10=1, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, tmp___7={0:0}, tmp___8=0, tmp___9=5, usb_counter=0] [L5433] COND TRUE ldv_state_variable_1 == 3 [L5434] CALL, EXPR kobil_open(kobil_device_group1, kobil_device_group3) [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, ref_cnt=1, result=0, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, ref_cnt=1, result=0, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L4766] CALL, EXPR usb_get_serial_port_data(port) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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 ; [L4551] CALL, EXPR dev_get_drvdata((struct device const *)(& port->dev)) [L5799] CALL, EXPR ldv_malloc(0UL) VAL [\old(size)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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 [\old(size)=0, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=0, tmp___0=1, usb_counter=0] [L5799] RET, EXPR ldv_malloc(0UL) 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={36893488147419103140:36893488147419103124}, arg0={0:1064}, arg0={0:1064}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, ldv_malloc(0UL)={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=3, ldv_state_variable_2=1, ref_cnt=1, usb_counter=0] [L5799] return ldv_malloc(0UL); [L4551] RET, EXPR dev_get_drvdata((struct device const *)(& port->dev)) [L4551] tmp = dev_get_drvdata((struct device const *)(& port->dev)) [L4552] return (tmp); VAL [\result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, ref_cnt=1, tmp={0:0}, usb_counter=0] [L4766] RET, EXPR usb_get_serial_port_data(port) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, ref_cnt=1, result=0, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, usb_get_serial_port_data(port)={0:0}, write_urb_transfer_buffer_length=8] [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 [L4769] CALL, EXPR kzalloc((size_t )transfer_buffer_length, 208U) VAL [\old(flags)=208, \old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [L4334] void *tmp ; VAL [\old(flags)=208, \old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, flags=208, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=8, usb_counter=0] [L4336] CALL, EXPR kmalloc(size, flags | 32768U) VAL [\old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [L4300] void *ret ; [L4301] void *tmp ; [L4302] struct kmem_cache *s ; [L4303] struct kmem_cache *tmp___0 ; [L4304] void *tmp___1 ; VAL [\old(flags)=4294967203, \old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, flags=4294967203, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=8, usb_counter=0] [L4306] COND FALSE !(0) VAL [\old(flags)=4294967203, \old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, flags=4294967203, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=8, usb_counter=0] [L4327] CALL, EXPR __kmalloc(size, flags) [L4277] CALL, EXPR ldv_malloc(size) VAL [\old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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 VAL [\old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, p={-36893488147419103233:0}, ref_cnt=1, size=8, tmp={-36893488147419103233:0}, tmp___0=0, usb_counter=0] [L4361] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [L4347] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, cond=1, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [L4361] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, p={-36893488147419103233:0}, ref_cnt=1, size=8, tmp={-36893488147419103233:0}, tmp___0=0, usb_counter=0] [L4362] return (p); VAL [\old(size)=8, \result={-36893488147419103233:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, p={-36893488147419103233:0}, ref_cnt=1, size=8, tmp={-36893488147419103233:0}, tmp___0=0, usb_counter=0] [L4277] RET, EXPR ldv_malloc(size) VAL [\old(size)=8, \old(t)=4294967203, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, ldv_malloc(size)={-36893488147419103233:0}, 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, size=8, t=4294967203, usb_counter=0] [L4277] return ldv_malloc(size); [L4327] RET, EXPR __kmalloc(size, flags) [L4327] tmp___1 = __kmalloc(size, flags) [L4328] return (tmp___1); VAL [\old(flags)=4294967203, \old(size)=8, \result={-36893488147419103233:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, flags=4294967203, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=8, tmp___1={-36893488147419103233:0}, usb_counter=0] [L4336] RET, EXPR kmalloc(size, flags | 32768U) VAL [\old(flags)=208, \old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, flags=208, id_table={100:0}, kmalloc(size, flags | 32768U)={-36893488147419103233:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=8, usb_counter=0] [L4336] tmp = kmalloc(size, flags | 32768U) [L4337] return (tmp); VAL [\old(flags)=208, \old(size)=8, \result={-36893488147419103233:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, flags=208, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=8, tmp={-36893488147419103233:0}, usb_counter=0] [L4769] RET, EXPR kzalloc((size_t )transfer_buffer_length, 208U) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, kzalloc((size_t )transfer_buffer_length, 208U)={-36893488147419103233:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, port->write_urb={36893488147419103118:115}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L4775] COND FALSE !((unsigned long )port->write_urb == (unsigned long )((struct urb *)0)) [L4794] 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, port->write_urb={36893488147419103118:115}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L4794-L4795] CALL, EXPR kmalloc((size_t )write_urb_transfer_buffer_length, 208U) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [L4300] void *ret ; [L4301] void *tmp ; [L4302] struct kmem_cache *s ; [L4303] struct kmem_cache *tmp___0 ; [L4304] void *tmp___1 ; VAL [\old(flags)=208, \old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, flags=208, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=8, usb_counter=0] [L4306] COND FALSE !(0) VAL [\old(flags)=208, \old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, flags=208, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=8, usb_counter=0] [L4327] CALL, EXPR __kmalloc(size, flags) [L4277] CALL, EXPR ldv_malloc(size) VAL [\old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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 VAL [\old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, p={18446744073709551617:0}, ref_cnt=1, size=8, tmp={18446744073709551617:0}, tmp___0=0, usb_counter=0] [L4361] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [L4347] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, cond=1, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [L4361] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=8, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, p={18446744073709551617:0}, ref_cnt=1, size=8, tmp={18446744073709551617:0}, tmp___0=0, usb_counter=0] [L4362] return (p); VAL [\old(size)=8, \result={18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, p={18446744073709551617:0}, ref_cnt=1, size=8, tmp={18446744073709551617:0}, tmp___0=0, usb_counter=0] [L4277] RET, EXPR ldv_malloc(size) VAL [\old(size)=8, \old(t)=208, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, ldv_malloc(size)={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, size=8, t=208, usb_counter=0] [L4277] return ldv_malloc(size); [L4327] RET, EXPR __kmalloc(size, flags) [L4327] tmp___1 = __kmalloc(size, flags) [L4328] return (tmp___1); VAL [\old(flags)=208, \old(size)=8, \result={18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, flags=208, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=8, tmp___1={18446744073709551617:0}, usb_counter=0] [L4794-L4795] RET, EXPR kmalloc((size_t )write_urb_transfer_buffer_length, 208U) 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kmalloc((size_t )write_urb_transfer_buffer_length, 208U)={18446744073709551617:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, port->write_urb={36893488147419103118:115}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [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 [(port->write_urb)->transfer_buffer={18446744073709551617:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, port->write_urb={36893488147419103118:115}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L4796] COND FALSE !((unsigned long )(port->write_urb)->transfer_buffer == (unsigned long )((void *)0)) [L4803] EXPR port->serial [L4803] EXPR (port->serial)->dev VAL [(port->serial)->dev={36893488147419103135:36893488147419103149}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, port->serial={36893488147419103144:36893488147419103125}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L4803] CALL, EXPR __create_pipe((port->serial)->dev, 0U) VAL [\old(endpoint)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, dev={36893488147419103135:36893488147419103149}, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [L4544] EXPR dev->devnum [L4544] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L4803] RET, EXPR __create_pipe((port->serial)->dev, 0U) VAL [(port->serial)->dev={36893488147419103135:36893488147419103149}, __create_pipe((port->serial)->dev, 0U)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, port->serial={36893488147419103144:36893488147419103125}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L4803] tmp___1 = __create_pipe((port->serial)->dev, 0U) [L4804] EXPR port->serial [L4804] EXPR (port->serial)->dev VAL [(port->serial)->dev={36893488147419103135:36893488147419103149}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, port->serial={36893488147419103144:36893488147419103125}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, tmp___1=0, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L4804-L4806] CALL, EXPR usb_control_msg((port->serial)->dev, tmp___1 | 2147483776U, 16, 194, 2, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500) VAL [\old(arg2)=16, \old(arg3)=194, \old(arg4)=2, \old(arg5)=0, \old(arg7)=8, \old(arg8)=500, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, arg0={36893488147419103135:36893488147419103149}, arg6={-36893488147419103233:0}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [L5854] return __VERIFIER_nondet_int(); [L4804-L4806] RET, EXPR usb_control_msg((port->serial)->dev, tmp___1 | 2147483776U, 16, 194, 2, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500) VAL [(port->serial)->dev={36893488147419103135:36893488147419103149}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, port->serial={36893488147419103144:36893488147419103125}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, tmp___1=0, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_control_msg((port->serial)->dev, tmp___1 | 2147483776U, 16, 194, 2, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500)=0, usb_counter=0, write_urb_transfer_buffer_length=8] [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, tmp___1=0, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, tmp___1=0, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L4817] EXPR port->serial [L4817] EXPR (port->serial)->dev VAL [(port->serial)->dev={36893488147419103135:36893488147419103149}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, port->serial={36893488147419103144:36893488147419103125}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, tmp___1=0, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L4817] CALL, EXPR __create_pipe((port->serial)->dev, 0U) VAL [\old(endpoint)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, dev={36893488147419103135:36893488147419103149}, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [L4544] EXPR dev->devnum [L4544] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L4817] RET, EXPR __create_pipe((port->serial)->dev, 0U) VAL [(port->serial)->dev={36893488147419103135:36893488147419103149}, __create_pipe((port->serial)->dev, 0U)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, port->serial={36893488147419103144:36893488147419103125}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, tmp___1=0, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L4817] tmp___2 = __create_pipe((port->serial)->dev, 0U) [L4818] EXPR port->serial [L4818] EXPR (port->serial)->dev VAL [(port->serial)->dev={36893488147419103135:36893488147419103149}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, port->serial={36893488147419103144:36893488147419103125}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, tmp___1=0, tmp___2=0, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L4818-L4820] CALL, EXPR usb_control_msg((port->serial)->dev, tmp___2 | 2147483776U, 16, 194, 1, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500) VAL [\old(arg2)=16, \old(arg3)=194, \old(arg4)=1, \old(arg5)=0, \old(arg7)=8, \old(arg8)=500, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, arg0={36893488147419103135:36893488147419103149}, arg6={-36893488147419103233:0}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [L5854] return __VERIFIER_nondet_int(); [L4818-L4820] RET, EXPR usb_control_msg((port->serial)->dev, tmp___2 | 2147483776U, 16, 194, 1, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500) VAL [(port->serial)->dev={36893488147419103135:36893488147419103149}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, port->serial={36893488147419103144:36893488147419103125}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, tmp___1=0, tmp___2=0, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_control_msg((port->serial)->dev, tmp___2 | 2147483776U, 16, 194, 1, 0, (void *)transfer_buffer, (int )((__u16 )transfer_buffer_length), 500)=0, usb_counter=0, write_urb_transfer_buffer_length=8] [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, tmp___1=0, tmp___2=0, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, tmp___1=0, tmp___2=0, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [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 [(unsigned int )priv->device_type == 8209U || (unsigned int )priv->device_type == 8210U=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, priv={0:0}, priv->device_type=117, priv->device_type=117, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, tmp___1=0, tmp___2=0, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [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 [(unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, priv={0:0}, priv->device_type=117, priv->device_type=117, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, tmp___1=0, tmp___2=0, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [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 [((unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U) || (unsigned int )priv->device_type == 129U=0, (unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, priv={0:0}, priv->device_type=117, priv->device_type=117, priv->device_type=117, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, tmp___1=0, tmp___2=0, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L4850] COND FALSE !(((unsigned int )priv->device_type == 120U || (unsigned int )priv->device_type == 8209U) || (unsigned int )priv->device_type == 129U) [L4859] CALL kfree((void const *)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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, p={-36893488147419103233:0}, ref_cnt=1, usb_counter=0] [L4859] RET kfree((void const *)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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, tmp___1=0, tmp___2=0, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L4860] return (0); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={0:0}, port={0:0}, priv={0:0}, ref_cnt=1, result=0, tmp={0:0}, tmp___0={-36893488147419103233:0}, tmp___1=0, tmp___2=0, transfer_buffer={-36893488147419103233:0}, transfer_buffer_length=8, tty={0:0}, tty={0:0}, usb_counter=0, write_urb_transfer_buffer_length=8] [L5434] RET, EXPR kobil_open(kobil_device_group1, kobil_device_group3) [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ldvarg8={0:0}, ref_cnt=1, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___10=1, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, tmp___7={0:0}, tmp___8=0, tmp___9=5, 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ldvarg8={0:0}, ref_cnt=1, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___10=1, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, tmp___7={0:0}, tmp___8=0, tmp___9=5, 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, ldvarg0=4294967183, ldvarg1=4294967184, ldvarg2=18446744073709551507, ldvarg3=4294967192, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=-2, ldvarg7={0:0}, ldvarg8={0:0}, ref_cnt=1, tmp={0:0}, tmp___0=4294967192, tmp___1=4294967183, tmp___10=1, tmp___2={0:0}, tmp___3=-2, tmp___4=4294967184, tmp___5={0:0}, tmp___6=18446744073709551507, tmp___7={0:0}, tmp___8=0, tmp___9=2, usb_counter=0] [L5397] COND TRUE ldv_state_variable_1 == 4 [L5398] CALL kobil_read_int_callback(ldvarg5) [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={36893488147419103140:36893488147419103124}, data={36893488147419103132:36893488147419103126}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, port={36893488147419103148:-15}, ref_cnt=1, status=0, urb={0:0}, urb={0:0}, usb_counter=0] [L4898] COND FALSE !(status != 0) [L4907] CALL, EXPR ldv_tty_port_tty_get_6(& port->port) [L5700] ldv_func_ret_type___1 ldv_func_res ; [L5701] struct tty_struct *tmp ; [L5703] CALL, EXPR tty_port_tty_get(ldv_func_arg1) [L5847] CALL, EXPR ldv_malloc(sizeof(struct tty_struct)) VAL [\old(size)=2516, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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] [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 [\old(size)=2516, \result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, 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, size=2516, tmp___0=1, usb_counter=0] [L5847] RET, EXPR ldv_malloc(sizeof(struct tty_struct)) 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={36893488147419103140:36893488147419103124}, arg0={36893488147419103148:-7}, arg0={36893488147419103148:-7}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_latest_tty={-18446744073709551615:0}, ldv_malloc(sizeof(struct tty_struct))={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] [L5847] return ldv_malloc(sizeof(struct tty_struct)); [L5703] RET, EXPR tty_port_tty_get(ldv_func_arg1) [L5703] tmp = tty_port_tty_get(ldv_func_arg1) [L5704] ldv_func_res = tmp [L5705] CALL ldv_got_tty(ldv_func_res) [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, tty={0:0}, tty={0:0}, usb_counter=0] [L5705] RET ldv_got_tty(ldv_func_res) [L5706] return (ldv_func_res); VAL [\result={0:0}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, kobil_driver_group1={0:0}, ldv_func_arg1={36893488147419103148:-7}, ldv_func_arg1={36893488147419103148:-7}, ldv_func_res={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, tmp={0:0}, usb_counter=0] [L4907] RET, EXPR ldv_tty_port_tty_get_6(& port->port) [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={36893488147419103140:36893488147419103124}, data={36893488147419103132:36893488147419103126}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, port={36893488147419103148:-15}, ref_cnt=1, status=0, tty={0:0}, urb={0:0}, urb={0:0}, urb->actual_length=-4294967297, usb_counter=0] [L4908] COND TRUE urb->actual_length != 0U [L4909] EXPR urb->actual_length [L4909] CALL tty_insert_flip_string(tty, (unsigned char const *)data, (size_t )urb->actual_length) [L5666] int tmp ; VAL [\old(size)=4294967295, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_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={36893488147419103140:36893488147419103124}, chars={36893488147419103132:36893488147419103126}, chars={36893488147419103132:36893488147419103126}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, size=4294967295, tty={0:0}, tty={0:0}, usb_counter=0] [L5668] CALL ldv_check_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, tty={0:0}, usb_counter=0] [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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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, tty={0:0}, tty={0:0}, usb_counter=0] [L5785] CALL ldv_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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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={36893488147419103140:36893488147419103124}, debug=0, id_table={100:0}, kobil_device={102:0}, kobil_device_group0={0:0}, kobil_device_group1={0:0}, kobil_device_group2={0:0}, kobil_device_group3={0:0}, kobil_driver={101:0}, 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 29 procedures, 645 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 58.6s, OverallIterations: 17, TraceHistogramMax: 9, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 46.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 mSolverCounterUnknown, 9290 SdHoareTripleChecker+Valid, 43.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8919 mSDsluCounter, 56100 SdHoareTripleChecker+Invalid, 40.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39333 mSDsCounter, 3059 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8278 IncrementalHoareTripleChecker+Invalid, 11350 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3059 mSolverCounterUnsat, 16767 mSDtfsCounter, 8278 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1534 GetRequests, 1419 SyntacticMatches, 7 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5614occurred in iteration=16, InterpolantAutomatonStates: 108, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 24797 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 3968 NumberOfCodeBlocks, 3968 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 3669 ConstructedInterpolants, 0 QuantifiedInterpolants, 7864 SizeOfPredicates, 27 NumberOfNonLiveVariables, 10073 ConjunctsInSsa, 115 ConjunctsInUnsatCore, 21 InterpolantComputations, 16 PerfectInterpolantSequences, 4054/4086 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 [2022-07-21 11:34:13,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -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 -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d0954289a294fb2be404f98afcefa652a2fbf60d586d07e7d68c419183f4ff07 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:34:15,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:34:15,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:34:15,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:34:15,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:34:15,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:34:15,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:34:15,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:34:15,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:34:15,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:34:15,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:34:15,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:34:15,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:34:15,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:34:15,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:34:15,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:34:15,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:34:15,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:34:15,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:34:15,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:34:15,415 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:34:15,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:34:15,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:34:15,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:34:15,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:34:15,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:34:15,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:34:15,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:34:15,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:34:15,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:34:15,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:34:15,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:34:15,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:34:15,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:34:15,427 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:34:15,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:34:15,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:34:15,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:34:15,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:34:15,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:34:15,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:34:15,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:34:15,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 11:34:15,454 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:34:15,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:34:15,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:34:15,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:34:15,456 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:34:15,456 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:34:15,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:34:15,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:34:15,457 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:34:15,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:34:15,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:34:15,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:34:15,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:34:15,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:34:15,458 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 11:34:15,464 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 11:34:15,467 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 11:34:15,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:34:15,467 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:34:15,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:34:15,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:34:15,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:34:15,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:34:15,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:34:15,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:34:15,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:34:15,468 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:34:15,468 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 11:34:15,469 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 11:34:15,469 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:34:15,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:34:15,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:34:15,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 11:34:15,469 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0954289a294fb2be404f98afcefa652a2fbf60d586d07e7d68c419183f4ff07 [2022-07-21 11:34:15,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:34:15,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:34:15,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:34:15,767 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:34:15,767 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:34:15,769 INFO L432 ainManager$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 [2022-07-21 11:34:15,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a03ed85c7/c5a959845ce34cfbb9827ac6903ec504/FLAG32a3161a7 [2022-07-21 11:34:16,418 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:34:16,419 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 [2022-07-21 11:34:16,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a03ed85c7/c5a959845ce34cfbb9827ac6903ec504/FLAG32a3161a7 [2022-07-21 11:34:16,859 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a03ed85c7/c5a959845ce34cfbb9827ac6903ec504 [2022-07-21 11:34:16,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:34:16,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:34:16,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:34:16,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:34:16,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:34:16,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:34:16" (1/1) ... [2022-07-21 11:34:16,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3520c65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:34:16, skipping insertion in model container [2022-07-21 11:34:16,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:34:16" (1/1) ... [2022-07-21 11:34:16,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:34:16,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:34:17,264 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2022-07-21 11:34:17,265 WARN L1251 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] [2022-07-21 11:34:17,265 WARN L1251 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] [2022-07-21 11:34:17,266 WARN L1251 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] [2022-07-21 11:34:17,267 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2022-07-21 11:34:17,270 WARN L1251 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] [2022-07-21 11:34:17,270 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2022-07-21 11:34:17,270 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2022-07-21 11:34:17,294 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2022-07-21 11:34:17,295 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2022-07-21 11:34:17,295 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2022-07-21 11:34:17,295 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2022-07-21 11:34:17,296 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2022-07-21 11:34:17,296 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2022-07-21 11:34:17,444 WARN L230 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] [2022-07-21 11:34:17,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:34:17,738 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 11:34:17,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:34:17,824 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2022-07-21 11:34:17,825 WARN L1251 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] [2022-07-21 11:34:17,825 WARN L1251 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] [2022-07-21 11:34:17,826 WARN L1251 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] [2022-07-21 11:34:17,826 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2022-07-21 11:34:17,826 WARN L1251 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] [2022-07-21 11:34:17,826 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2022-07-21 11:34:17,827 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2022-07-21 11:34:17,840 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2022-07-21 11:34:17,841 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2022-07-21 11:34:17,842 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2022-07-21 11:34:17,842 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2022-07-21 11:34:17,842 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2022-07-21 11:34:17,843 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2022-07-21 11:34:17,861 WARN L230 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] [2022-07-21 11:34:17,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:34:17,966 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:34:18,042 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2022-07-21 11:34:18,043 WARN L1251 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] [2022-07-21 11:34:18,043 WARN L1251 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] [2022-07-21 11:34:18,043 WARN L1251 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] [2022-07-21 11:34:18,043 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2022-07-21 11:34:18,044 WARN L1251 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] [2022-07-21 11:34:18,044 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2022-07-21 11:34:18,044 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2022-07-21 11:34:18,049 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2022-07-21 11:34:18,049 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2022-07-21 11:34:18,049 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2022-07-21 11:34:18,050 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2022-07-21 11:34:18,050 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2022-07-21 11:34:18,050 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2022-07-21 11:34:18,060 WARN L230 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] [2022-07-21 11:34:18,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:34:18,192 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:34:18,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:34:18 WrapperNode [2022-07-21 11:34:18,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:34:18,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:34:18,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:34:18,194 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:34:18,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:34:18" (1/1) ... [2022-07-21 11:34:18,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:34:18" (1/1) ... [2022-07-21 11:34:18,348 INFO L137 Inliner]: procedures = 139, calls = 768, calls flagged for inlining = 62, calls inlined = 62, statements flattened = 2028 [2022-07-21 11:34:18,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:34:18,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:34:18,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:34:18,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:34:18,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:34:18" (1/1) ... [2022-07-21 11:34:18,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:34:18" (1/1) ... [2022-07-21 11:34:18,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:34:18" (1/1) ... [2022-07-21 11:34:18,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:34:18" (1/1) ... [2022-07-21 11:34:18,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:34:18" (1/1) ... [2022-07-21 11:34:18,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:34:18" (1/1) ... [2022-07-21 11:34:18,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:34:18" (1/1) ... [2022-07-21 11:34:18,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:34:18,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:34:18,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:34:18,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:34:18,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:34:18" (1/1) ... [2022-07-21 11:34:18,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:34:18,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:34:18,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 11:34:18,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 11:34:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 11:34:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-21 11:34:18,595 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-21 11:34:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 11:34:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:34:18,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 11:34:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:34:18,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:34:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:34:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-07-21 11:34:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-07-21 11:34:18,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:34:18,597 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:34:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 11:34:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 11:34:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:34:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:34:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-21 11:34:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-21 11:34:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:34:18,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:34:18,598 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-07-21 11:34:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-07-21 11:34:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:34:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:34:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 11:34:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 11:34:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 11:34:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 11:34:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2022-07-21 11:34:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2022-07-21 11:34:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:34:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:34:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-07-21 11:34:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-07-21 11:34:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:34:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-21 11:34:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-21 11:34:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-07-21 11:34:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:34:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2022-07-21 11:34:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2022-07-21 11:34:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2022-07-21 11:34:18,603 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2022-07-21 11:34:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:34:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 11:34:18,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 11:34:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 11:34:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:34:18,604 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2022-07-21 11:34:18,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2022-07-21 11:34:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-21 11:34:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-21 11:34:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-07-21 11:34:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-07-21 11:34:18,605 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-21 11:34:18,605 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-21 11:34:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 11:34:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2022-07-21 11:34:18,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2022-07-21 11:34:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 11:34:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:34:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 11:34:18,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:34:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-07-21 11:34:18,607 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-07-21 11:34:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 11:34:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 11:34:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 11:34:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 11:34:18,610 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2022-07-21 11:34:18,610 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2022-07-21 11:34:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-07-21 11:34:18,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-07-21 11:34:18,611 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 11:34:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 11:34:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 11:34:18,612 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 11:34:18,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 11:34:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2022-07-21 11:34:18,615 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2022-07-21 11:34:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:34:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:34:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:34:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:34:18,951 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:34:18,953 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:34:19,137 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:34:26,307 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-21 11:34:33,914 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:34:33,929 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:34:33,929 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:34:33,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:34:33 BoogieIcfgContainer [2022-07-21 11:34:33,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:34:33,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:34:33,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:34:33,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:34:33,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:34:16" (1/3) ... [2022-07-21 11:34:33,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535847f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:34:33, skipping insertion in model container [2022-07-21 11:34:33,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:34:18" (2/3) ... [2022-07-21 11:34:33,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535847f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:34:33, skipping insertion in model container [2022-07-21 11:34:33,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:34:33" (3/3) ... [2022-07-21 11:34:33,939 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2022-07-21 11:34:33,949 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:34:33,949 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:34:34,009 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:34:34,019 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1544dad5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1037afad [2022-07-21 11:34:34,019 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:34:34,027 INFO L276 IsEmpty]: Start isEmpty. Operand has 631 states, 491 states have (on average 1.4419551934826884) internal successors, (708), 500 states have internal predecessors, (708), 112 states have call successors, (112), 28 states have call predecessors, (112), 26 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2022-07-21 11:34:34,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-21 11:34:34,051 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:34:34,052 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-21 11:34:34,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:34:34,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:34:34,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1290775675, now seen corresponding path program 1 times [2022-07-21 11:34:34,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:34:34,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339701302] [2022-07-21 11:34:34,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:34:34,069 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:34:34,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:34:34,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:34:34,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 11:34:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:34,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 11:34:34,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:34:35,128 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-21 11:34:35,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:34:35,129 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:34:35,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339701302] [2022-07-21 11:34:35,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [339701302] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:34:35,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:34:35,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:34:35,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665547794] [2022-07-21 11:34:35,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:34:35,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:34:35,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:34:35,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:34:35,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:34:35,176 INFO L87 Difference]: Start difference. First operand has 631 states, 491 states have (on average 1.4419551934826884) internal successors, (708), 500 states have internal predecessors, (708), 112 states have call successors, (112), 28 states have call predecessors, (112), 26 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-21 11:34:35,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:34:35,779 INFO L93 Difference]: Finished difference Result 1223 states and 1839 transitions. [2022-07-21 11:34:35,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:34:35,797 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58 [2022-07-21 11:34:35,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:34:35,808 INFO L225 Difference]: With dead ends: 1223 [2022-07-21 11:34:35,812 INFO L226 Difference]: Without dead ends: 573 [2022-07-21 11:34:35,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:34:35,829 INFO L413 NwaCegarLoop]: 828 mSDtfsCounter, 37 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 3282 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:34:35,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 3282 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 11:34:35,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2022-07-21 11:34:35,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 571. [2022-07-21 11:34:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 440 states have (on average 1.3977272727272727) internal successors, (615), 441 states have internal predecessors, (615), 104 states have call successors, (104), 27 states have call predecessors, (104), 26 states have return successors, (103), 103 states have call predecessors, (103), 103 states have call successors, (103) [2022-07-21 11:34:35,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 822 transitions. [2022-07-21 11:34:35,908 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 822 transitions. Word has length 58 [2022-07-21 11:34:35,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:34:35,909 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 822 transitions. [2022-07-21 11:34:35,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-21 11:34:35,909 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 822 transitions. [2022-07-21 11:34:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-21 11:34:35,913 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:34:35,913 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-07-21 11:34:35,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:34:36,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:34:36,128 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:34:36,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:34:36,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1640476605, now seen corresponding path program 1 times [2022-07-21 11:34:36,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:34:36,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524429305] [2022-07-21 11:34:36,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:34:36,130 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:34:36,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:34:36,139 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:34:36,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 11:34:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:36,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:34:36,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:34:36,724 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-21 11:34:36,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:34:36,725 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:34:36,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [524429305] [2022-07-21 11:34:36,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [524429305] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:34:36,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:34:36,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:34:36,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153648967] [2022-07-21 11:34:36,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:34:36,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:34:36,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:34:36,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:34:36,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:34:36,727 INFO L87 Difference]: Start difference. First operand 571 states and 822 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-21 11:34:37,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:34:37,902 INFO L93 Difference]: Finished difference Result 1163 states and 1678 transitions. [2022-07-21 11:34:37,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:34:37,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 64 [2022-07-21 11:34:37,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:34:37,908 INFO L225 Difference]: With dead ends: 1163 [2022-07-21 11:34:37,908 INFO L226 Difference]: Without dead ends: 623 [2022-07-21 11:34:37,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:34:37,911 INFO L413 NwaCegarLoop]: 808 mSDtfsCounter, 89 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:34:37,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 1492 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 11:34:37,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2022-07-21 11:34:37,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 623. [2022-07-21 11:34:37,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 486 states have (on average 1.3950617283950617) internal successors, (678), 488 states have internal predecessors, (678), 107 states have call successors, (107), 30 states have call predecessors, (107), 29 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2022-07-21 11:34:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 891 transitions. [2022-07-21 11:34:37,957 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 891 transitions. Word has length 64 [2022-07-21 11:34:37,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:34:37,958 INFO L495 AbstractCegarLoop]: Abstraction has 623 states and 891 transitions. [2022-07-21 11:34:37,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-21 11:34:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 891 transitions. [2022-07-21 11:34:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-21 11:34:37,962 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:34:37,962 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2022-07-21 11:34:37,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:34:38,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:34:38,176 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:34:38,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:34:38,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1952675630, now seen corresponding path program 1 times [2022-07-21 11:34:38,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:34:38,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [282123889] [2022-07-21 11:34:38,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:34:38,178 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:34:38,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:34:38,181 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:34:38,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 11:34:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:38,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:34:38,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:34:38,896 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-21 11:34:38,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:34:38,896 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:34:38,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [282123889] [2022-07-21 11:34:38,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [282123889] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:34:38,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:34:38,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:34:38,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179960752] [2022-07-21 11:34:38,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:34:38,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:34:38,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:34:38,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:34:38,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:34:38,898 INFO L87 Difference]: Start difference. First operand 623 states and 891 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-21 11:34:39,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:34:39,566 INFO L93 Difference]: Finished difference Result 1800 states and 2588 transitions. [2022-07-21 11:34:39,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:34:39,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 102 [2022-07-21 11:34:39,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:34:39,570 INFO L225 Difference]: With dead ends: 1800 [2022-07-21 11:34:39,571 INFO L226 Difference]: Without dead ends: 1182 [2022-07-21 11:34:39,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:34:39,573 INFO L413 NwaCegarLoop]: 1570 mSDtfsCounter, 771 mSDsluCounter, 3922 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 5492 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:34:39,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 5492 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 11:34:39,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2022-07-21 11:34:39,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1128. [2022-07-21 11:34:39,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 882 states have (on average 1.40702947845805) internal successors, (1241), 883 states have internal predecessors, (1241), 196 states have call successors, (196), 50 states have call predecessors, (196), 49 states have return successors, (195), 194 states have call predecessors, (195), 195 states have call successors, (195) [2022-07-21 11:34:39,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1632 transitions. [2022-07-21 11:34:39,611 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1632 transitions. Word has length 102 [2022-07-21 11:34:39,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:34:39,612 INFO L495 AbstractCegarLoop]: Abstraction has 1128 states and 1632 transitions. [2022-07-21 11:34:39,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-21 11:34:39,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1632 transitions. [2022-07-21 11:34:39,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-21 11:34:39,615 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:34:39,615 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2022-07-21 11:34:39,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-21 11:34:39,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:34:39,829 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:34:39,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:34:39,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1186314309, now seen corresponding path program 1 times [2022-07-21 11:34:39,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:34:39,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955114521] [2022-07-21 11:34:39,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:34:39,831 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:34:39,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:34:39,832 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:34:39,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 11:34:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:40,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:34:40,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:34:40,996 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-21 11:34:40,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:34:40,996 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:34:40,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955114521] [2022-07-21 11:34:40,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955114521] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:34:40,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:34:40,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:34:40,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770129912] [2022-07-21 11:34:40,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:34:40,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:34:40,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:34:40,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:34:40,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:34:40,997 INFO L87 Difference]: Start difference. First operand 1128 states and 1632 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-21 11:34:42,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:34:42,307 INFO L93 Difference]: Finished difference Result 2714 states and 3945 transitions. [2022-07-21 11:34:42,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:34:42,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 112 [2022-07-21 11:34:42,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:34:42,313 INFO L225 Difference]: With dead ends: 2714 [2022-07-21 11:34:42,313 INFO L226 Difference]: Without dead ends: 1617 [2022-07-21 11:34:42,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:34:42,316 INFO L413 NwaCegarLoop]: 871 mSDtfsCounter, 332 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:34:42,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 1540 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-21 11:34:42,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2022-07-21 11:34:42,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1614. [2022-07-21 11:34:42,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1614 states, 1280 states have (on average 1.3875) internal successors, (1776), 1282 states have internal predecessors, (1776), 252 states have call successors, (252), 82 states have call predecessors, (252), 81 states have return successors, (251), 249 states have call predecessors, (251), 251 states have call successors, (251) [2022-07-21 11:34:42,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2279 transitions. [2022-07-21 11:34:42,380 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2279 transitions. Word has length 112 [2022-07-21 11:34:42,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:34:42,382 INFO L495 AbstractCegarLoop]: Abstraction has 1614 states and 2279 transitions. [2022-07-21 11:34:42,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-21 11:34:42,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2279 transitions. [2022-07-21 11:34:42,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-21 11:34:42,384 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:34:42,384 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2022-07-21 11:34:42,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 11:34:42,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:34:42,621 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:34:42,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:34:42,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1884264768, now seen corresponding path program 1 times [2022-07-21 11:34:42,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:34:42,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820679964] [2022-07-21 11:34:42,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:34:42,623 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:34:42,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:34:42,638 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:34:42,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 11:34:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:43,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:34:43,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:34:43,204 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-21 11:34:43,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:34:43,205 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:34:43,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820679964] [2022-07-21 11:34:43,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [820679964] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:34:43,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:34:43,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:34:43,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320144605] [2022-07-21 11:34:43,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:34:43,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:34:43,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:34:43,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:34:43,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:34:43,206 INFO L87 Difference]: Start difference. First operand 1614 states and 2279 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-21 11:34:45,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:34:45,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:34:45,509 INFO L93 Difference]: Finished difference Result 3201 states and 4538 transitions. [2022-07-21 11:34:45,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:34:45,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 122 [2022-07-21 11:34:45,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:34:45,516 INFO L225 Difference]: With dead ends: 3201 [2022-07-21 11:34:45,517 INFO L226 Difference]: Without dead ends: 1618 [2022-07-21 11:34:45,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:34:45,521 INFO L413 NwaCegarLoop]: 797 mSDtfsCounter, 0 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1590 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:34:45,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1590 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-07-21 11:34:45,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2022-07-21 11:34:45,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 1618. [2022-07-21 11:34:45,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1618 states, 1284 states have (on average 1.3862928348909658) internal successors, (1780), 1286 states have internal predecessors, (1780), 252 states have call successors, (252), 82 states have call predecessors, (252), 81 states have return successors, (251), 249 states have call predecessors, (251), 251 states have call successors, (251) [2022-07-21 11:34:45,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1618 states to 1618 states and 2283 transitions. [2022-07-21 11:34:45,567 INFO L78 Accepts]: Start accepts. Automaton has 1618 states and 2283 transitions. Word has length 122 [2022-07-21 11:34:45,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:34:45,567 INFO L495 AbstractCegarLoop]: Abstraction has 1618 states and 2283 transitions. [2022-07-21 11:34:45,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-21 11:34:45,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 2283 transitions. [2022-07-21 11:34:45,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-21 11:34:45,569 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:34:45,570 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2022-07-21 11:34:45,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 11:34:45,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:34:45,790 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:34:45,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:34:45,791 INFO L85 PathProgramCache]: Analyzing trace with hash -109257406, now seen corresponding path program 1 times [2022-07-21 11:34:45,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:34:45,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [147499995] [2022-07-21 11:34:45,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:34:45,792 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:34:45,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:34:45,795 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:34:45,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 11:34:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:34:46,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 27 conjunts are in the unsatisfiable core [2022-07-21 11:34:46,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:34:55,807 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 108 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-21 11:34:55,807 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 11:35:02,196 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-07-21 11:35:02,196 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:35:02,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [147499995] [2022-07-21 11:35:02,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [147499995] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 11:35:02,196 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 11:35:02,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2022-07-21 11:35:02,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123502294] [2022-07-21 11:35:02,196 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 11:35:02,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-21 11:35:02,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:35:02,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-21 11:35:02,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2022-07-21 11:35:02,197 INFO L87 Difference]: Start difference. First operand 1618 states and 2283 transitions. Second operand has 24 states, 22 states have (on average 6.0) internal successors, (132), 17 states have internal predecessors, (132), 11 states have call successors, (26), 8 states have call predecessors, (26), 6 states have return successors, (22), 11 states have call predecessors, (22), 8 states have call successors, (22) [2022-07-21 11:35:16,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:12,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:12,431 INFO L93 Difference]: Finished difference Result 4783 states and 6800 transitions. [2022-07-21 11:36:12,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-21 11:36:12,433 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 6.0) internal successors, (132), 17 states have internal predecessors, (132), 11 states have call successors, (26), 8 states have call predecessors, (26), 6 states have return successors, (22), 11 states have call predecessors, (22), 8 states have call successors, (22) Word has length 122 [2022-07-21 11:36:12,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:12,459 INFO L225 Difference]: With dead ends: 4783 [2022-07-21 11:36:12,460 INFO L226 Difference]: Without dead ends: 4780 [2022-07-21 11:36:12,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=240, Invalid=1482, Unknown=0, NotChecked=0, Total=1722 [2022-07-21 11:36:12,462 INFO L413 NwaCegarLoop]: 1056 mSDtfsCounter, 2175 mSDsluCounter, 13986 mSDsCounter, 0 mSdLazyCounter, 3562 mSolverCounterSat, 253 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 15042 SdHoareTripleChecker+Invalid, 3816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 253 IncrementalHoareTripleChecker+Valid, 3562 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:12,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 15042 Invalid, 3816 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [253 Valid, 3562 Invalid, 1 Unknown, 0 Unchecked, 62.4s Time] [2022-07-21 11:36:12,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4780 states. [2022-07-21 11:36:12,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4780 to 4710. [2022-07-21 11:36:12,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4710 states, 3742 states have (on average 1.3928380545163015) internal successors, (5212), 3754 states have internal predecessors, (5212), 724 states have call successors, (724), 242 states have call predecessors, (724), 243 states have return successors, (749), 713 states have call predecessors, (749), 723 states have call successors, (749) [2022-07-21 11:36:12,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4710 states to 4710 states and 6685 transitions. [2022-07-21 11:36:12,582 INFO L78 Accepts]: Start accepts. Automaton has 4710 states and 6685 transitions. Word has length 122 [2022-07-21 11:36:12,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:12,583 INFO L495 AbstractCegarLoop]: Abstraction has 4710 states and 6685 transitions. [2022-07-21 11:36:12,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 6.0) internal successors, (132), 17 states have internal predecessors, (132), 11 states have call successors, (26), 8 states have call predecessors, (26), 6 states have return successors, (22), 11 states have call predecessors, (22), 8 states have call successors, (22) [2022-07-21 11:36:12,584 INFO L276 IsEmpty]: Start isEmpty. Operand 4710 states and 6685 transitions. [2022-07-21 11:36:12,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-21 11:36:12,587 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:12,587 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:36:12,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 11:36:12,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:36:12,805 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:12,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:12,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1734619929, now seen corresponding path program 1 times [2022-07-21 11:36:12,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:36:12,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [980126901] [2022-07-21 11:36:12,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:12,806 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:36:12,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:36:12,808 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:36:12,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 11:36:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:13,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:36:13,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:13,612 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-07-21 11:36:13,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:36:13,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:36:13,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [980126901] [2022-07-21 11:36:13,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [980126901] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:13,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:13,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:36:13,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210499337] [2022-07-21 11:36:13,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:13,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:36:13,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:36:13,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:36:13,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:36:13,613 INFO L87 Difference]: Start difference. First operand 4710 states and 6685 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 11:36:15,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:15,540 INFO L93 Difference]: Finished difference Result 10860 states and 15485 transitions. [2022-07-21 11:36:15,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:36:15,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 131 [2022-07-21 11:36:15,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:15,561 INFO L225 Difference]: With dead ends: 10860 [2022-07-21 11:36:15,562 INFO L226 Difference]: Without dead ends: 6181 [2022-07-21 11:36:15,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:36:15,574 INFO L413 NwaCegarLoop]: 1041 mSDtfsCounter, 405 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:15,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 1653 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-21 11:36:15,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6181 states. [2022-07-21 11:36:15,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6181 to 6178. [2022-07-21 11:36:15,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6178 states, 4944 states have (on average 1.3796521035598706) internal successors, (6821), 4959 states have internal predecessors, (6821), 892 states have call successors, (892), 340 states have call predecessors, (892), 341 states have return successors, (917), 878 states have call predecessors, (917), 891 states have call successors, (917) [2022-07-21 11:36:15,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6178 states to 6178 states and 8630 transitions. [2022-07-21 11:36:15,793 INFO L78 Accepts]: Start accepts. Automaton has 6178 states and 8630 transitions. Word has length 131 [2022-07-21 11:36:15,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:15,794 INFO L495 AbstractCegarLoop]: Abstraction has 6178 states and 8630 transitions. [2022-07-21 11:36:15,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 11:36:15,794 INFO L276 IsEmpty]: Start isEmpty. Operand 6178 states and 8630 transitions. [2022-07-21 11:36:15,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-07-21 11:36:15,800 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:15,800 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 11:36:15,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 11:36:16,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:36:16,017 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:16,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:16,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1501513818, now seen corresponding path program 1 times [2022-07-21 11:36:16,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:36:16,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [923260612] [2022-07-21 11:36:16,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:16,018 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:36:16,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:36:16,020 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:36:16,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 11:36:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:16,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 11:36:16,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:16,747 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-07-21 11:36:16,747 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:36:16,747 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:36:16,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [923260612] [2022-07-21 11:36:16,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [923260612] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:16,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:16,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:36:16,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428356594] [2022-07-21 11:36:16,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:16,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:36:16,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:36:16,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:36:16,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:36:16,749 INFO L87 Difference]: Start difference. First operand 6178 states and 8630 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:36:17,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:17,607 INFO L93 Difference]: Finished difference Result 15763 states and 21841 transitions. [2022-07-21 11:36:17,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:36:17,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 154 [2022-07-21 11:36:17,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:17,635 INFO L225 Difference]: With dead ends: 15763 [2022-07-21 11:36:17,636 INFO L226 Difference]: Without dead ends: 9616 [2022-07-21 11:36:17,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:36:17,648 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 602 mSDsluCounter, 1876 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 3117 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:17,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 3117 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 11:36:17,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9616 states. [2022-07-21 11:36:17,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9616 to 6190. [2022-07-21 11:36:17,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6190 states, 4956 states have (on average 1.378732849071832) internal successors, (6833), 4971 states have internal predecessors, (6833), 892 states have call successors, (892), 340 states have call predecessors, (892), 341 states have return successors, (917), 878 states have call predecessors, (917), 891 states have call successors, (917) [2022-07-21 11:36:17,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6190 states to 6190 states and 8642 transitions. [2022-07-21 11:36:17,893 INFO L78 Accepts]: Start accepts. Automaton has 6190 states and 8642 transitions. Word has length 154 [2022-07-21 11:36:17,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:17,894 INFO L495 AbstractCegarLoop]: Abstraction has 6190 states and 8642 transitions. [2022-07-21 11:36:17,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:36:17,895 INFO L276 IsEmpty]: Start isEmpty. Operand 6190 states and 8642 transitions. [2022-07-21 11:36:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-07-21 11:36:17,901 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:17,901 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 11:36:17,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-21 11:36:18,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:36:18,116 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:18,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:18,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1476314952, now seen corresponding path program 1 times [2022-07-21 11:36:18,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:36:18,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644174334] [2022-07-21 11:36:18,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:18,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:36:18,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:36:18,119 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:36:18,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 11:36:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:18,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-21 11:36:18,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:20,382 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-07-21 11:36:20,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:36:20,382 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:36:20,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644174334] [2022-07-21 11:36:20,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644174334] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:20,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:20,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 11:36:20,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979525885] [2022-07-21 11:36:20,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:20,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:36:20,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:36:20,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:36:20,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:36:20,383 INFO L87 Difference]: Start difference. First operand 6190 states and 8642 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 6 states have internal predecessors, (100), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:36:22,502 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:36:22,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:22,861 INFO L93 Difference]: Finished difference Result 13690 states and 19123 transitions. [2022-07-21 11:36:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 11:36:22,864 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 6 states have internal predecessors, (100), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) Word has length 160 [2022-07-21 11:36:22,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:22,901 INFO L225 Difference]: With dead ends: 13690 [2022-07-21 11:36:22,901 INFO L226 Difference]: Without dead ends: 7531 [2022-07-21 11:36:22,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:36:22,914 INFO L413 NwaCegarLoop]: 987 mSDtfsCounter, 159 mSDsluCounter, 5729 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 6716 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:22,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 6716 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 11:36:22,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7531 states. [2022-07-21 11:36:23,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7531 to 6238. [2022-07-21 11:36:23,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6238 states, 4992 states have (on average 1.3760016025641026) internal successors, (6869), 5007 states have internal predecessors, (6869), 892 states have call successors, (892), 340 states have call predecessors, (892), 353 states have return successors, (947), 890 states have call predecessors, (947), 891 states have call successors, (947) [2022-07-21 11:36:23,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6238 states to 6238 states and 8708 transitions. [2022-07-21 11:36:23,125 INFO L78 Accepts]: Start accepts. Automaton has 6238 states and 8708 transitions. Word has length 160 [2022-07-21 11:36:23,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:23,126 INFO L495 AbstractCegarLoop]: Abstraction has 6238 states and 8708 transitions. [2022-07-21 11:36:23,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 6 states have internal predecessors, (100), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (14), 4 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:36:23,126 INFO L276 IsEmpty]: Start isEmpty. Operand 6238 states and 8708 transitions. [2022-07-21 11:36:23,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-21 11:36:23,133 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:23,133 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:36:23,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 11:36:23,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:36:23,367 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:23,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:23,368 INFO L85 PathProgramCache]: Analyzing trace with hash 315266560, now seen corresponding path program 2 times [2022-07-21 11:36:23,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:36:23,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795191560] [2022-07-21 11:36:23,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:36:23,369 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:36:23,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:36:23,370 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:36:23,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 11:36:23,810 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-21 11:36:23,810 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:36:23,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:36:23,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:28,141 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-07-21 11:36:28,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:36:28,141 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:36:28,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1795191560] [2022-07-21 11:36:28,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1795191560] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:28,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:28,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 11:36:28,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436368491] [2022-07-21 11:36:28,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:28,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:36:28,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:36:28,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:36:28,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:36:28,143 INFO L87 Difference]: Start difference. First operand 6238 states and 8708 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:36:28,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:28,736 INFO L93 Difference]: Finished difference Result 12445 states and 17452 transitions. [2022-07-21 11:36:28,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:36:28,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 166 [2022-07-21 11:36:28,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:28,761 INFO L225 Difference]: With dead ends: 12445 [2022-07-21 11:36:28,762 INFO L226 Difference]: Without dead ends: 6238 [2022-07-21 11:36:28,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:36:28,772 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 664 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:28,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 741 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 11:36:28,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6238 states. [2022-07-21 11:36:28,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6238 to 6238. [2022-07-21 11:36:28,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6238 states, 4992 states have (on average 1.3263221153846154) internal successors, (6621), 5007 states have internal predecessors, (6621), 892 states have call successors, (892), 340 states have call predecessors, (892), 353 states have return successors, (947), 890 states have call predecessors, (947), 891 states have call successors, (947) [2022-07-21 11:36:28,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6238 states to 6238 states and 8460 transitions. [2022-07-21 11:36:28,996 INFO L78 Accepts]: Start accepts. Automaton has 6238 states and 8460 transitions. Word has length 166 [2022-07-21 11:36:28,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:28,996 INFO L495 AbstractCegarLoop]: Abstraction has 6238 states and 8460 transitions. [2022-07-21 11:36:28,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:36:28,997 INFO L276 IsEmpty]: Start isEmpty. Operand 6238 states and 8460 transitions. [2022-07-21 11:36:29,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-21 11:36:29,002 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:29,003 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:36:29,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 11:36:29,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:36:29,218 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:29,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:29,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1273081342, now seen corresponding path program 1 times [2022-07-21 11:36:29,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:36:29,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1093760628] [2022-07-21 11:36:29,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:29,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:36:29,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:36:29,221 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:36:29,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-21 11:36:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:29,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:36:29,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:30,172 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-07-21 11:36:30,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:36:30,172 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:36:30,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1093760628] [2022-07-21 11:36:30,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1093760628] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:30,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:30,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:36:30,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535810550] [2022-07-21 11:36:30,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:30,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:36:30,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:36:30,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:36:30,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:36:30,174 INFO L87 Difference]: Start difference. First operand 6238 states and 8460 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:36:32,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:32,551 INFO L93 Difference]: Finished difference Result 13970 states and 19029 transitions. [2022-07-21 11:36:32,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:36:32,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 166 [2022-07-21 11:36:32,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:32,569 INFO L225 Difference]: With dead ends: 13970 [2022-07-21 11:36:32,569 INFO L226 Difference]: Without dead ends: 7763 [2022-07-21 11:36:32,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:36:32,579 INFO L413 NwaCegarLoop]: 1051 mSDtfsCounter, 425 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 1614 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:32,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 1614 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-21 11:36:32,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7763 states. [2022-07-21 11:36:32,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7763 to 7760. [2022-07-21 11:36:32,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7760 states, 6230 states have (on average 1.3200642054574638) internal successors, (8224), 6248 states have internal predecessors, (8224), 1060 states have call successors, (1060), 456 states have call predecessors, (1060), 469 states have return successors, (1115), 1055 states have call predecessors, (1115), 1059 states have call successors, (1115) [2022-07-21 11:36:32,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7760 states to 7760 states and 10399 transitions. [2022-07-21 11:36:32,765 INFO L78 Accepts]: Start accepts. Automaton has 7760 states and 10399 transitions. Word has length 166 [2022-07-21 11:36:32,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:32,766 INFO L495 AbstractCegarLoop]: Abstraction has 7760 states and 10399 transitions. [2022-07-21 11:36:32,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-21 11:36:32,766 INFO L276 IsEmpty]: Start isEmpty. Operand 7760 states and 10399 transitions. [2022-07-21 11:36:32,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-21 11:36:32,774 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:32,775 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:36:32,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-07-21 11:36:33,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:36:33,007 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:33,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:33,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1614388792, now seen corresponding path program 1 times [2022-07-21 11:36:33,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:36:33,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1044115421] [2022-07-21 11:36:33,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:33,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:36:33,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:36:33,010 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:36:33,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-21 11:36:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:33,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 11:36:33,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:34,079 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-07-21 11:36:34,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:36:34,080 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:36:34,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1044115421] [2022-07-21 11:36:34,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1044115421] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:34,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:34,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:36:34,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815717256] [2022-07-21 11:36:34,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:34,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:36:34,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:36:34,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:36:34,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:36:34,081 INFO L87 Difference]: Start difference. First operand 7760 states and 10399 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 11:36:35,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:35,221 INFO L93 Difference]: Finished difference Result 20971 states and 27964 transitions. [2022-07-21 11:36:35,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:36:35,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 211 [2022-07-21 11:36:35,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:35,255 INFO L225 Difference]: With dead ends: 20971 [2022-07-21 11:36:35,255 INFO L226 Difference]: Without dead ends: 13242 [2022-07-21 11:36:35,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:36:35,270 INFO L413 NwaCegarLoop]: 1318 mSDtfsCounter, 769 mSDsluCounter, 1859 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 3177 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:35,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [769 Valid, 3177 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 11:36:35,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13242 states. [2022-07-21 11:36:35,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13242 to 7772. [2022-07-21 11:36:35,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7772 states, 6242 states have (on average 1.3194488945850689) internal successors, (8236), 6260 states have internal predecessors, (8236), 1060 states have call successors, (1060), 456 states have call predecessors, (1060), 469 states have return successors, (1115), 1055 states have call predecessors, (1115), 1059 states have call successors, (1115) [2022-07-21 11:36:35,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7772 states to 7772 states and 10411 transitions. [2022-07-21 11:36:35,616 INFO L78 Accepts]: Start accepts. Automaton has 7772 states and 10411 transitions. Word has length 211 [2022-07-21 11:36:35,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:35,617 INFO L495 AbstractCegarLoop]: Abstraction has 7772 states and 10411 transitions. [2022-07-21 11:36:35,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 11:36:35,617 INFO L276 IsEmpty]: Start isEmpty. Operand 7772 states and 10411 transitions. [2022-07-21 11:36:35,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-21 11:36:35,628 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:35,629 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:36:35,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-21 11:36:35,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:36:35,845 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:35,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:35,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1919102867, now seen corresponding path program 1 times [2022-07-21 11:36:35,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:36:35,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502974535] [2022-07-21 11:36:35,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:35,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:36:35,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:36:35,848 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:36:35,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-21 11:36:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:36,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 1524 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-21 11:36:36,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-07-21 11:36:39,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:36:39,308 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:36:39,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502974535] [2022-07-21 11:36:39,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502974535] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:39,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:39,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 11:36:39,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693004294] [2022-07-21 11:36:39,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:39,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 11:36:39,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:36:39,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 11:36:39,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:36:39,310 INFO L87 Difference]: Start difference. First operand 7772 states and 10411 transitions. Second operand has 10 states, 10 states have (on average 15.3) internal successors, (153), 7 states have internal predecessors, (153), 2 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (26), 5 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 11:36:41,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:41,099 INFO L93 Difference]: Finished difference Result 17748 states and 23892 transitions. [2022-07-21 11:36:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 11:36:41,100 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 7 states have internal predecessors, (153), 2 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (26), 5 states have call predecessors, (26), 2 states have call successors, (26) Word has length 266 [2022-07-21 11:36:41,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:41,135 INFO L225 Difference]: With dead ends: 17748 [2022-07-21 11:36:41,135 INFO L226 Difference]: Without dead ends: 10007 [2022-07-21 11:36:41,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:36:41,152 INFO L413 NwaCegarLoop]: 1048 mSDtfsCounter, 221 mSDsluCounter, 8101 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 9149 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:41,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 9149 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 11:36:41,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10007 states. [2022-07-21 11:36:41,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10007 to 7838. [2022-07-21 11:36:41,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7838 states, 6290 states have (on average 1.3170111287758346) internal successors, (8284), 6308 states have internal predecessors, (8284), 1060 states have call successors, (1060), 456 states have call predecessors, (1060), 487 states have return successors, (1169), 1073 states have call predecessors, (1169), 1059 states have call successors, (1169) [2022-07-21 11:36:41,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7838 states to 7838 states and 10513 transitions. [2022-07-21 11:36:41,524 INFO L78 Accepts]: Start accepts. Automaton has 7838 states and 10513 transitions. Word has length 266 [2022-07-21 11:36:41,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:41,525 INFO L495 AbstractCegarLoop]: Abstraction has 7838 states and 10513 transitions. [2022-07-21 11:36:41,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 7 states have internal predecessors, (153), 2 states have call successors, (27), 2 states have call predecessors, (27), 5 states have return successors, (26), 5 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-21 11:36:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 7838 states and 10513 transitions. [2022-07-21 11:36:41,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-21 11:36:41,536 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:41,536 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:36:41,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-07-21 11:36:41,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:36:41,752 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:41,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:41,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1097628773, now seen corresponding path program 2 times [2022-07-21 11:36:41,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:36:41,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [784422882] [2022-07-21 11:36:41,753 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-21 11:36:41,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:36:41,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:36:41,755 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:36:41,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-21 11:36:43,098 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-21 11:36:43,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-21 11:36:43,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 1541 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 11:36:43,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:43,259 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2022-07-21 11:36:43,260 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:36:43,260 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:36:43,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [784422882] [2022-07-21 11:36:43,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [784422882] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:43,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:43,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 11:36:43,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938472472] [2022-07-21 11:36:43,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:43,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 11:36:43,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:36:43,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 11:36:43,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:36:43,261 INFO L87 Difference]: Start difference. First operand 7838 states and 10513 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 11:36:43,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:43,591 INFO L93 Difference]: Finished difference Result 15651 states and 21002 transitions. [2022-07-21 11:36:43,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 11:36:43,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 272 [2022-07-21 11:36:43,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:43,614 INFO L225 Difference]: With dead ends: 15651 [2022-07-21 11:36:43,614 INFO L226 Difference]: Without dead ends: 7844 [2022-07-21 11:36:43,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 11:36:43,628 INFO L413 NwaCegarLoop]: 769 mSDtfsCounter, 0 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1533 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:43,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1533 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:36:43,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7844 states. [2022-07-21 11:36:43,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7844 to 7844. [2022-07-21 11:36:43,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7844 states, 6296 states have (on average 1.3167090216010164) internal successors, (8290), 6314 states have internal predecessors, (8290), 1060 states have call successors, (1060), 456 states have call predecessors, (1060), 487 states have return successors, (1169), 1073 states have call predecessors, (1169), 1059 states have call successors, (1169) [2022-07-21 11:36:43,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7844 states to 7844 states and 10519 transitions. [2022-07-21 11:36:43,927 INFO L78 Accepts]: Start accepts. Automaton has 7844 states and 10519 transitions. Word has length 272 [2022-07-21 11:36:43,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:43,927 INFO L495 AbstractCegarLoop]: Abstraction has 7844 states and 10519 transitions. [2022-07-21 11:36:43,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 11:36:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 7844 states and 10519 transitions. [2022-07-21 11:36:43,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-21 11:36:43,937 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:43,937 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:36:43,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2022-07-21 11:36:44,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:36:44,152 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:44,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:44,152 INFO L85 PathProgramCache]: Analyzing trace with hash -2126988071, now seen corresponding path program 1 times [2022-07-21 11:36:44,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:36:44,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109358292] [2022-07-21 11:36:44,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:44,154 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:36:44,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:36:44,155 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:36:44,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-21 11:36:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:36:45,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 1543 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 11:36:45,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:36:45,304 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2022-07-21 11:36:45,304 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:36:45,304 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 11:36:45,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1109358292] [2022-07-21 11:36:45,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1109358292] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:36:45,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:36:45,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 11:36:45,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939937488] [2022-07-21 11:36:45,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:36:45,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 11:36:45,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 11:36:45,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 11:36:45,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 11:36:45,305 INFO L87 Difference]: Start difference. First operand 7844 states and 10519 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 11:36:45,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:36:45,902 INFO L93 Difference]: Finished difference Result 15681 states and 21044 transitions. [2022-07-21 11:36:45,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:36:45,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 272 [2022-07-21 11:36:45,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:36:45,928 INFO L225 Difference]: With dead ends: 15681 [2022-07-21 11:36:45,929 INFO L226 Difference]: Without dead ends: 7868 [2022-07-21 11:36:45,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:36:45,943 INFO L413 NwaCegarLoop]: 767 mSDtfsCounter, 2 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2294 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:36:45,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2294 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 11:36:45,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7868 states. [2022-07-21 11:36:46,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7868 to 7862. [2022-07-21 11:36:46,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7862 states, 6314 states have (on average 1.3158061450744378) internal successors, (8308), 6332 states have internal predecessors, (8308), 1060 states have call successors, (1060), 456 states have call predecessors, (1060), 487 states have return successors, (1169), 1073 states have call predecessors, (1169), 1059 states have call successors, (1169) [2022-07-21 11:36:46,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7862 states to 7862 states and 10537 transitions. [2022-07-21 11:36:46,274 INFO L78 Accepts]: Start accepts. Automaton has 7862 states and 10537 transitions. Word has length 272 [2022-07-21 11:36:46,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:36:46,274 INFO L495 AbstractCegarLoop]: Abstraction has 7862 states and 10537 transitions. [2022-07-21 11:36:46,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-21 11:36:46,275 INFO L276 IsEmpty]: Start isEmpty. Operand 7862 states and 10537 transitions. [2022-07-21 11:36:46,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-21 11:36:46,286 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:36:46,286 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 6, 6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:36:46,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-07-21 11:36:46,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 11:36:46,500 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:36:46,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:36:46,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1251587165, now seen corresponding path program 1 times [2022-07-21 11:36:46,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 11:36:46,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [420455898] [2022-07-21 11:36:46,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:36:46,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 11:36:46,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 11:36:46,503 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 11:36:46,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process