./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 6c24879c 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-?-6c24879 [2022-07-12 13:00:03,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:00:03,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:00:03,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:00:03,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:00:03,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:00:03,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:00:03,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:00:03,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:00:03,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:00:03,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:00:03,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:00:03,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:00:03,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:00:03,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:00:03,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:00:03,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:00:03,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:00:03,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:00:03,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:00:03,065 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:00:03,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:00:03,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:00:03,067 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:00:03,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:00:03,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:00:03,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:00:03,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:00:03,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:00:03,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:00:03,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:00:03,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:00:03,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:00:03,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:00:03,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:00:03,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:00:03,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:00:03,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:00:03,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:00:03,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:00:03,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:00:03,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:00:03,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 13:00:03,103 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:00:03,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:00:03,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:00:03,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:00:03,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:00:03,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:00:03,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:00:03,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:00:03,105 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:00:03,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:00:03,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 13:00:03,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:00:03,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:00:03,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:00:03,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:00:03,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:00:03,107 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:00:03,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:00:03,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:00:03,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:00:03,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:00:03,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:00:03,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:00:03,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:00:03,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:00:03,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 13:00:03,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 13:00:03,110 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:00:03,110 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:00:03,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:00:03,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0954289a294fb2be404f98afcefa652a2fbf60d586d07e7d68c419183f4ff07 [2022-07-12 13:00:03,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:00:03,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:00:03,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:00:03,298 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:00:03,298 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:00:03,299 INFO L432 ainManager$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 [2022-07-12 13:00:03,339 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b61851e69/71c0cb495a6045e48a237bfcfc1650bc/FLAGe393eaeb2 [2022-07-12 13:00:03,871 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:00:03,872 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 [2022-07-12 13:00:03,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b61851e69/71c0cb495a6045e48a237bfcfc1650bc/FLAGe393eaeb2 [2022-07-12 13:00:04,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b61851e69/71c0cb495a6045e48a237bfcfc1650bc [2022-07-12 13:00:04,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:00:04,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:00:04,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:00:04,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:00:04,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:00:04,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:00:04" (1/1) ... [2022-07-12 13:00:04,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607bdc97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:00:04, skipping insertion in model container [2022-07-12 13:00:04,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:00:04" (1/1) ... [2022-07-12 13:00:04,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:00:04,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:00:04,750 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2022-07-12 13:00:04,751 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] [2022-07-12 13:00:04,751 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] [2022-07-12 13:00:04,752 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] [2022-07-12 13:00:04,753 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2022-07-12 13:00:04,755 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] [2022-07-12 13:00:04,755 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2022-07-12 13:00:04,756 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] [2022-07-12 13:00:04,766 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2022-07-12 13:00:04,766 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2022-07-12 13:00:04,767 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2022-07-12 13:00:04,767 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2022-07-12 13:00:04,767 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] [2022-07-12 13:00:04,768 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2022-07-12 13:00:04,944 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] [2022-07-12 13:00:05,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:00:05,188 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:00:05,249 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2022-07-12 13:00:05,250 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] [2022-07-12 13:00:05,250 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] [2022-07-12 13:00:05,250 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] [2022-07-12 13:00:05,251 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2022-07-12 13:00:05,251 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] [2022-07-12 13:00:05,251 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2022-07-12 13:00:05,251 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] [2022-07-12 13:00:05,256 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2022-07-12 13:00:05,256 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2022-07-12 13:00:05,257 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2022-07-12 13:00:05,257 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2022-07-12 13:00:05,257 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] [2022-07-12 13:00:05,258 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2022-07-12 13:00:05,280 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] [2022-07-12 13:00:05,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:00:05,412 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:00:05,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:00:05 WrapperNode [2022-07-12 13:00:05,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:00:05,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:00:05,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:00:05,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:00:05,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:00:05" (1/1) ... [2022-07-12 13:00:05,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:00:05" (1/1) ... [2022-07-12 13:00:05,540 INFO L137 Inliner]: procedures = 124, calls = 768, calls flagged for inlining = 62, calls inlined = 62, statements flattened = 2125 [2022-07-12 13:00:05,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:00:05,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:00:05,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:00:05,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:00:05,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:00:05" (1/1) ... [2022-07-12 13:00:05,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:00:05" (1/1) ... [2022-07-12 13:00:05,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:00:05" (1/1) ... [2022-07-12 13:00:05,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:00:05" (1/1) ... [2022-07-12 13:00:05,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:00:05" (1/1) ... [2022-07-12 13:00:05,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:00:05" (1/1) ... [2022-07-12 13:00:05,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:00:05" (1/1) ... [2022-07-12 13:00:05,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:00:05,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:00:05,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:00:05,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:00:05,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:00:05" (1/1) ... [2022-07-12 13:00:05,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:00:05,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:00:05,668 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) [2022-07-12 13:00:05,684 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 [2022-07-12 13:00:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 13:00:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-12 13:00:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-12 13:00:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:00:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:00:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:00:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:00:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 13:00:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-07-12 13:00:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-07-12 13:00:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 13:00:05,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 13:00:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 13:00:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 13:00:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:00:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:00:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 13:00:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 13:00:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 13:00:05,700 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 13:00:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-07-12 13:00:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-07-12 13:00:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 13:00:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:00:05,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:00:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2022-07-12 13:00:05,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2022-07-12 13:00:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:00:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:00:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-07-12 13:00:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-07-12 13:00:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:00:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-12 13:00:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-12 13:00:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-07-12 13:00:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:00:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2022-07-12 13:00:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2022-07-12 13:00:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2022-07-12 13:00:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2022-07-12 13:00:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:00:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:00:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2022-07-12 13:00:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2022-07-12 13:00:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-12 13:00:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-12 13:00:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-07-12 13:00:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-07-12 13:00:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-12 13:00:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-12 13:00:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2022-07-12 13:00:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2022-07-12 13:00:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:00:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:00:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-07-12 13:00:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-07-12 13:00:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2022-07-12 13:00:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2022-07-12 13:00:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-07-12 13:00:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-07-12 13:00:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 13:00:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 13:00:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 13:00:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 13:00:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 13:00:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2022-07-12 13:00:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2022-07-12 13:00:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 13:00:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 13:00:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 13:00:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:00:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:00:06,079 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:00:06,096 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:00:06,432 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:00:08,954 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-12 13:00:09,608 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:00:09,623 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:00:09,623 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 13:00:09,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:00:09 BoogieIcfgContainer [2022-07-12 13:00:09,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:00:09,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:00:09,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:00:09,631 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:00:09,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:00:04" (1/3) ... [2022-07-12 13:00:09,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5067d5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:00:09, skipping insertion in model container [2022-07-12 13:00:09,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:00:05" (2/3) ... [2022-07-12 13:00:09,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5067d5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:00:09, skipping insertion in model container [2022-07-12 13:00:09,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:00:09" (3/3) ... [2022-07-12 13:00:09,634 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2022-07-12 13:00:09,646 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:00:09,648 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:00:09,716 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:00:09,724 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@40fffdfd, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@51f12e4a [2022-07-12 13:00:09,724 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:00:09,731 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) [2022-07-12 13:00:09,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-12 13:00:09,752 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:00:09,752 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] [2022-07-12 13:00:09,753 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:00:09,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:00:09,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1222428994, now seen corresponding path program 1 times [2022-07-12 13:00:09,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:00:09,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678340732] [2022-07-12 13:00:09,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:09,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:00:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:10,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:10,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:00:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:10,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:00:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:10,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:00:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:10,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:00:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:10,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-12 13:00:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:10,222 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-12 13:00:10,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:00:10,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678340732] [2022-07-12 13:00:10,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678340732] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:00:10,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:00:10,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 13:00:10,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627856163] [2022-07-12 13:00:10,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:00:10,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:00:10,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:00:10,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:00:10,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:00:10,257 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) [2022-07-12 13:00:12,880 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 [] [2022-07-12 13:00:15,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:00:17,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:00:19,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:00:19,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:00:19,517 INFO L93 Difference]: Finished difference Result 1422 states and 2193 transitions. [2022-07-12 13:00:19,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:00:19,519 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 [2022-07-12 13:00:19,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:00:19,539 INFO L225 Difference]: With dead ends: 1422 [2022-07-12 13:00:19,539 INFO L226 Difference]: Without dead ends: 753 [2022-07-12 13:00:19,546 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 [2022-07-12 13:00:19,548 INFO L413 NwaCegarLoop]: 968 mSDtfsCounter, 298 mSDsluCounter, 1681 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 138 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 2649 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:00:19,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 2649 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 786 Invalid, 3 Unknown, 0 Unchecked, 9.1s Time] [2022-07-12 13:00:19,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2022-07-12 13:00:19,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 624. [2022-07-12 13:00:19,612 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) [2022-07-12 13:00:19,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 893 transitions. [2022-07-12 13:00:19,616 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 893 transitions. Word has length 58 [2022-07-12 13:00:19,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:00:19,617 INFO L495 AbstractCegarLoop]: Abstraction has 624 states and 893 transitions. [2022-07-12 13:00:19,617 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) [2022-07-12 13:00:19,617 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 893 transitions. [2022-07-12 13:00:19,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-07-12 13:00:19,623 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:00:19,623 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] [2022-07-12 13:00:19,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 13:00:19,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:00:19,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:00:19,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1024555351, now seen corresponding path program 1 times [2022-07-12 13:00:19,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:00:19,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288455305] [2022-07-12 13:00:19,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:19,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:00:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:19,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:19,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:00:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:19,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:00:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:19,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:00:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:19,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:00:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:19,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 13:00:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:19,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-12 13:00:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 13:00:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 13:00:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 13:00:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:19,790 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-07-12 13:00:19,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:00:19,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288455305] [2022-07-12 13:00:19,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288455305] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:00:19,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:00:19,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 13:00:19,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973168367] [2022-07-12 13:00:19,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:00:19,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:00:19,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:00:19,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:00:19,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:00:19,793 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) [2022-07-12 13:00:21,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:00:23,902 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:00:26,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:00:28,369 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 [] [2022-07-12 13:00:28,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:00:28,800 INFO L93 Difference]: Finished difference Result 1745 states and 2546 transitions. [2022-07-12 13:00:28,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:00:28,801 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 [2022-07-12 13:00:28,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:00:28,807 INFO L225 Difference]: With dead ends: 1745 [2022-07-12 13:00:28,807 INFO L226 Difference]: Without dead ends: 1141 [2022-07-12 13:00:28,809 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 [2022-07-12 13:00:28,810 INFO L413 NwaCegarLoop]: 944 mSDtfsCounter, 1035 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 439 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 2173 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 439 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-07-12 13:00:28,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1069 Valid, 2173 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [439 Valid, 645 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2022-07-12 13:00:28,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2022-07-12 13:00:28,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 888. [2022-07-12 13:00:28,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 708 states have (on average 1.3714689265536724) internal successors, (971), 711 states have internal predecessors, (971), 135 states have call successors, (135), 45 states have call predecessors, (135), 44 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2022-07-12 13:00:28,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1240 transitions. [2022-07-12 13:00:28,879 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1240 transitions. Word has length 96 [2022-07-12 13:00:28,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:00:28,879 INFO L495 AbstractCegarLoop]: Abstraction has 888 states and 1240 transitions. [2022-07-12 13:00:28,880 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) [2022-07-12 13:00:28,881 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1240 transitions. [2022-07-12 13:00:28,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-12 13:00:28,883 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:00:28,883 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] [2022-07-12 13:00:28,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 13:00:28,884 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:00:28,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:00:28,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1788560870, now seen corresponding path program 1 times [2022-07-12 13:00:28,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:00:28,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338224478] [2022-07-12 13:00:28,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:28,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:00:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:29,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:29,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:00:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:00:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:29,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:00:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:29,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:00:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 13:00:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-12 13:00:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 13:00:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:29,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 13:00:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-12 13:00:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:00:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-12 13:00:29,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:00:29,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338224478] [2022-07-12 13:00:29,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338224478] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:00:29,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:00:29,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 13:00:29,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618839465] [2022-07-12 13:00:29,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:00:29,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:00:29,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:00:29,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:00:29,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:00:29,088 INFO L87 Difference]: Start difference. First operand 888 states and 1240 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) [2022-07-12 13:00:31,246 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 [] [2022-07-12 13:00:31,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:00:31,841 INFO L93 Difference]: Finished difference Result 2010 states and 2869 transitions. [2022-07-12 13:00:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:00:31,842 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 [2022-07-12 13:00:31,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:00:31,848 INFO L225 Difference]: With dead ends: 2010 [2022-07-12 13:00:31,848 INFO L226 Difference]: Without dead ends: 1142 [2022-07-12 13:00:31,850 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 [2022-07-12 13:00:31,854 INFO L413 NwaCegarLoop]: 861 mSDtfsCounter, 342 mSDsluCounter, 1235 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 246 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 2096 SdHoareTripleChecker+Invalid, 666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 246 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-12 13:00:31,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 2096 Invalid, 666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [246 Valid, 419 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-07-12 13:00:31,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2022-07-12 13:00:31,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 890. [2022-07-12 13:00:31,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 710 states have (on average 1.3704225352112676) internal successors, (973), 713 states have internal predecessors, (973), 135 states have call successors, (135), 45 states have call predecessors, (135), 44 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2022-07-12 13:00:31,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1242 transitions. [2022-07-12 13:00:31,894 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1242 transitions. Word has length 106 [2022-07-12 13:00:31,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:00:31,896 INFO L495 AbstractCegarLoop]: Abstraction has 890 states and 1242 transitions. [2022-07-12 13:00:31,896 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) [2022-07-12 13:00:31,896 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1242 transitions. [2022-07-12 13:00:31,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-12 13:00:31,898 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:00:31,898 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] [2022-07-12 13:00:31,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 13:00:31,898 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:00:31,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:00:31,899 INFO L85 PathProgramCache]: Analyzing trace with hash -731399064, now seen corresponding path program 1 times [2022-07-12 13:00:31,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:00:31,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590451330] [2022-07-12 13:00:31,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:31,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:00:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:32,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:32,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:00:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:32,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:00:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:32,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:00:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:32,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:00:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:32,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 13:00:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:32,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-12 13:00:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 13:00:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:32,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 13:00:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:32,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-12 13:00:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:32,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:00:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-07-12 13:00:32,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:00:32,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590451330] [2022-07-12 13:00:32,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590451330] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 13:00:32,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947764749] [2022-07-12 13:00:32,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:32,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:00:32,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:00:32,107 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) [2022-07-12 13:00:32,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 13:00:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:32,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 13:00:32,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:00:32,543 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-12 13:00:32,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:00:32,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947764749] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:00:32,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 13:00:32,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-07-12 13:00:32,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616300685] [2022-07-12 13:00:32,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:00:32,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:00:32,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:00:32,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:00:32,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-12 13:00:32,545 INFO L87 Difference]: Start difference. First operand 890 states and 1242 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) [2022-07-12 13:00:32,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:00:32,680 INFO L93 Difference]: Finished difference Result 2624 states and 3661 transitions. [2022-07-12 13:00:32,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:00:32,681 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 [2022-07-12 13:00:32,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:00:32,688 INFO L225 Difference]: With dead ends: 2624 [2022-07-12 13:00:32,688 INFO L226 Difference]: Without dead ends: 1715 [2022-07-12 13:00:32,691 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 [2022-07-12 13:00:32,693 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:00:32,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 5576 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 13:00:32,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1715 states. [2022-07-12 13:00:32,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1715 to 1694. [2022-07-12 13:00:32,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1694 states, 1359 states have (on average 1.3752759381898454) internal successors, (1869), 1362 states have internal predecessors, (1869), 253 states have call successors, (253), 82 states have call predecessors, (253), 81 states have return successors, (252), 249 states have call predecessors, (252), 252 states have call successors, (252) [2022-07-12 13:00:32,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 2374 transitions. [2022-07-12 13:00:32,733 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 2374 transitions. Word has length 106 [2022-07-12 13:00:32,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:00:32,733 INFO L495 AbstractCegarLoop]: Abstraction has 1694 states and 2374 transitions. [2022-07-12 13:00:32,733 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) [2022-07-12 13:00:32,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2374 transitions. [2022-07-12 13:00:32,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-12 13:00:32,735 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:00:32,735 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] [2022-07-12 13:00:32,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-12 13:00:32,949 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 [2022-07-12 13:00:32,950 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:00:32,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:00:32,950 INFO L85 PathProgramCache]: Analyzing trace with hash -886730445, now seen corresponding path program 1 times [2022-07-12 13:00:32,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:00:32,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504313414] [2022-07-12 13:00:32,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:32,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:00:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:33,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:33,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:00:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:33,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:00:33,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:33,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:00:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:33,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:00:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:33,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 13:00:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:33,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-12 13:00:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:33,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 13:00:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:33,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 13:00:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:33,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 13:00:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:33,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-07-12 13:00:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:33,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:00:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:33,149 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-07-12 13:00:33,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:00:33,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504313414] [2022-07-12 13:00:33,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504313414] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 13:00:33,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538292259] [2022-07-12 13:00:33,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:33,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:00:33,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:00:33,151 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) [2022-07-12 13:00:33,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 13:00:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:33,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 1706 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-12 13:00:33,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:00:33,581 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-12 13:00:33,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:00:33,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538292259] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:00:33,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 13:00:33,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 7 [2022-07-12 13:00:33,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221819351] [2022-07-12 13:00:33,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:00:33,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:00:33,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:00:33,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:00:33,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:00:33,582 INFO L87 Difference]: Start difference. First operand 1694 states and 2374 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) [2022-07-12 13:00:33,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:00:33,673 INFO L93 Difference]: Finished difference Result 3392 states and 4754 transitions. [2022-07-12 13:00:33,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:00:33,673 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 [2022-07-12 13:00:33,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:00:33,680 INFO L225 Difference]: With dead ends: 3392 [2022-07-12 13:00:33,680 INFO L226 Difference]: Without dead ends: 1713 [2022-07-12 13:00:33,684 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 [2022-07-12 13:00:33,684 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 [2022-07-12 13:00:33,685 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] [2022-07-12 13:00:33,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-07-12 13:00:33,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1666. [2022-07-12 13:00:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1666 states, 1332 states have (on average 1.3723723723723724) internal successors, (1828), 1334 states have internal predecessors, (1828), 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) [2022-07-12 13:00:33,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1666 states and 2331 transitions. [2022-07-12 13:00:33,726 INFO L78 Accepts]: Start accepts. Automaton has 1666 states and 2331 transitions. Word has length 116 [2022-07-12 13:00:33,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:00:33,726 INFO L495 AbstractCegarLoop]: Abstraction has 1666 states and 2331 transitions. [2022-07-12 13:00:33,727 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) [2022-07-12 13:00:33,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 2331 transitions. [2022-07-12 13:00:33,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-12 13:00:33,728 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:00:33,728 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] [2022-07-12 13:00:33,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 13:00:33,943 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 [2022-07-12 13:00:33,943 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:00:33,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:00:33,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1603760118, now seen corresponding path program 1 times [2022-07-12 13:00:33,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:00:33,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190962605] [2022-07-12 13:00:33,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:33,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:00:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:34,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:34,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:00:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:34,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:00:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:34,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:00:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:34,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:00:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:34,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:34,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:00:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:34,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 13:00:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:34,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 13:00:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:34,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 13:00:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:34,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 13:00:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:34,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 13:00:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:34,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:00:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-07-12 13:00:34,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:00:34,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190962605] [2022-07-12 13:00:34,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190962605] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 13:00:34,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611618375] [2022-07-12 13:00:34,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:34,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:00:34,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:00:34,299 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) [2022-07-12 13:00:34,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 13:00:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:34,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 1732 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 13:00:34,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:00:34,831 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-07-12 13:00:34,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:00:34,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [611618375] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:00:34,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 13:00:34,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2022-07-12 13:00:34,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150312279] [2022-07-12 13:00:34,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:00:34,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:00:34,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:00:34,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:00:34,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-07-12 13:00:34,833 INFO L87 Difference]: Start difference. First operand 1666 states and 2331 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) [2022-07-12 13:00:34,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:00:34,921 INFO L93 Difference]: Finished difference Result 3261 states and 4574 transitions. [2022-07-12 13:00:34,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:00:34,922 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 [2022-07-12 13:00:34,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:00:34,934 INFO L225 Difference]: With dead ends: 3261 [2022-07-12 13:00:34,935 INFO L226 Difference]: Without dead ends: 3258 [2022-07-12 13:00:34,936 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 [2022-07-12 13:00:34,937 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 [2022-07-12 13:00:34,937 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] [2022-07-12 13:00:34,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3258 states. [2022-07-12 13:00:35,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3258 to 3254. [2022-07-12 13:00:35,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3254 states, 2606 states have (on average 1.3772064466615503) internal successors, (3589), 2612 states have internal predecessors, (3589), 488 states have call successors, (488), 160 states have call predecessors, (488), 159 states have return successors, (487), 481 states have call predecessors, (487), 487 states have call successors, (487) [2022-07-12 13:00:35,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 3254 states and 4564 transitions. [2022-07-12 13:00:35,040 INFO L78 Accepts]: Start accepts. Automaton has 3254 states and 4564 transitions. Word has length 122 [2022-07-12 13:00:35,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:00:35,041 INFO L495 AbstractCegarLoop]: Abstraction has 3254 states and 4564 transitions. [2022-07-12 13:00:35,041 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) [2022-07-12 13:00:35,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 4564 transitions. [2022-07-12 13:00:35,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 13:00:35,043 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:00:35,044 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] [2022-07-12 13:00:35,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-12 13:00:35,265 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 [2022-07-12 13:00:35,265 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:00:35,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:00:35,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1427060572, now seen corresponding path program 1 times [2022-07-12 13:00:35,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:00:35,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625032523] [2022-07-12 13:00:35,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:35,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:00:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:35,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:35,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:00:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:35,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:00:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:35,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:00:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:35,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:00:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:35,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:35,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:00:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:35,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 13:00:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:35,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 13:00:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:35,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 13:00:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:35,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 13:00:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:35,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 13:00:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:35,398 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-12 13:00:35,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:00:35,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625032523] [2022-07-12 13:00:35,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625032523] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:00:35,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:00:35,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 13:00:35,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771553018] [2022-07-12 13:00:35,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:00:35,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:00:35,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:00:35,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:00:35,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:00:35,400 INFO L87 Difference]: Start difference. First operand 3254 states and 4564 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) [2022-07-12 13:00:37,590 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 [] [2022-07-12 13:00:38,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:00:38,534 INFO L93 Difference]: Finished difference Result 8990 states and 12891 transitions. [2022-07-12 13:00:38,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:00:38,535 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 [2022-07-12 13:00:38,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:00:38,559 INFO L225 Difference]: With dead ends: 8990 [2022-07-12 13:00:38,559 INFO L226 Difference]: Without dead ends: 5767 [2022-07-12 13:00:38,568 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 [2022-07-12 13:00:38,569 INFO L413 NwaCegarLoop]: 1162 mSDtfsCounter, 875 mSDsluCounter, 1280 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 378 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 913 SdHoareTripleChecker+Valid, 2442 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-12 13:00:38,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [913 Valid, 2442 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [378 Valid, 638 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-07-12 13:00:38,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5767 states. [2022-07-12 13:00:38,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5767 to 4454. [2022-07-12 13:00:38,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4454 states, 3602 states have (on average 1.3573014991671293) internal successors, (4889), 3614 states have internal predecessors, (4889), 616 states have call successors, (616), 224 states have call predecessors, (616), 235 states have return successors, (667), 615 states have call predecessors, (667), 615 states have call successors, (667) [2022-07-12 13:00:38,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 6172 transitions. [2022-07-12 13:00:38,791 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 6172 transitions. Word has length 131 [2022-07-12 13:00:38,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:00:38,792 INFO L495 AbstractCegarLoop]: Abstraction has 4454 states and 6172 transitions. [2022-07-12 13:00:38,792 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) [2022-07-12 13:00:38,792 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 6172 transitions. [2022-07-12 13:00:38,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-07-12 13:00:38,796 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:00:38,796 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] [2022-07-12 13:00:38,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 13:00:38,797 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:00:38,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:00:38,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1505603262, now seen corresponding path program 1 times [2022-07-12 13:00:38,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:00:38,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662420343] [2022-07-12 13:00:38,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:38,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:00:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:38,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:38,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:00:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:38,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:00:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:38,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:00:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:38,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:00:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:38,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:38,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:00:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:38,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 13:00:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:38,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 13:00:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:38,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 13:00:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:38,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 13:00:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:38,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 13:00:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:00:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:38,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 13:00:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:38,958 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-12 13:00:38,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:00:38,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662420343] [2022-07-12 13:00:38,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662420343] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:00:38,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:00:38,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:00:38,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445636410] [2022-07-12 13:00:38,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:00:38,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:00:38,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:00:38,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:00:38,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:00:38,961 INFO L87 Difference]: Start difference. First operand 4454 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) [2022-07-12 13:00:41,141 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 [] [2022-07-12 13:00:42,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:00:42,386 INFO L93 Difference]: Finished difference Result 13536 states and 19017 transitions. [2022-07-12 13:00:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 13:00:42,386 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 [2022-07-12 13:00:42,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:00:42,417 INFO L225 Difference]: With dead ends: 13536 [2022-07-12 13:00:42,418 INFO L226 Difference]: Without dead ends: 9113 [2022-07-12 13:00:42,427 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 [2022-07-12 13:00:42,428 INFO L413 NwaCegarLoop]: 1292 mSDtfsCounter, 1040 mSDsluCounter, 2329 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 392 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 3621 SdHoareTripleChecker+Invalid, 1399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-12 13:00:42,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 3621 Invalid, 1399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 1006 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-07-12 13:00:42,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9113 states. [2022-07-12 13:00:42,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9113 to 4462. [2022-07-12 13:00:42,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4462 states, 3610 states have (on average 1.3565096952908586) internal successors, (4897), 3622 states have internal predecessors, (4897), 616 states have call successors, (616), 224 states have call predecessors, (616), 235 states have return successors, (667), 615 states have call predecessors, (667), 615 states have call successors, (667) [2022-07-12 13:00:42,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4462 states to 4462 states and 6180 transitions. [2022-07-12 13:00:42,653 INFO L78 Accepts]: Start accepts. Automaton has 4462 states and 6180 transitions. Word has length 154 [2022-07-12 13:00:42,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:00:42,654 INFO L495 AbstractCegarLoop]: Abstraction has 4462 states and 6180 transitions. [2022-07-12 13:00:42,654 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) [2022-07-12 13:00:42,654 INFO L276 IsEmpty]: Start isEmpty. Operand 4462 states and 6180 transitions. [2022-07-12 13:00:42,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-07-12 13:00:42,657 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:00:42,657 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] [2022-07-12 13:00:42,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 13:00:42,658 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:00:42,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:00:42,658 INFO L85 PathProgramCache]: Analyzing trace with hash 772590780, now seen corresponding path program 1 times [2022-07-12 13:00:42,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:00:42,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845190847] [2022-07-12 13:00:42,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:42,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:00:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:42,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:42,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:00:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:42,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:00:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:42,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:00:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:42,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:00:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:42,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:42,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:42,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:00:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:42,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 13:00:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:42,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 13:00:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:42,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 13:00:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:42,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 13:00:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 13:00:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:42,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:00:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:42,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-12 13:00:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:42,813 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-07-12 13:00:42,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:00:42,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845190847] [2022-07-12 13:00:42,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845190847] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:00:42,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:00:42,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 13:00:42,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468012026] [2022-07-12 13:00:42,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:00:42,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:00:42,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:00:42,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:00:42,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:00:42,816 INFO L87 Difference]: Start difference. First operand 4462 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) [2022-07-12 13:00:44,981 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 [] [2022-07-12 13:00:46,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:00:46,248 INFO L93 Difference]: Finished difference Result 11746 states and 16603 transitions. [2022-07-12 13:00:46,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:00:46,251 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 [2022-07-12 13:00:46,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:00:46,273 INFO L225 Difference]: With dead ends: 11746 [2022-07-12 13:00:46,273 INFO L226 Difference]: Without dead ends: 7315 [2022-07-12 13:00:46,281 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 [2022-07-12 13:00:46,282 INFO L413 NwaCegarLoop]: 1312 mSDtfsCounter, 604 mSDsluCounter, 1757 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 219 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 649 SdHoareTripleChecker+Valid, 3069 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-12 13:00:46,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [649 Valid, 3069 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 1058 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-07-12 13:00:46,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7315 states. [2022-07-12 13:00:46,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7315 to 5518. [2022-07-12 13:00:46,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5518 states, 4478 states have (on average 1.3481464939705226) internal successors, (6037), 4492 states have internal predecessors, (6037), 728 states have call successors, (728), 300 states have call predecessors, (728), 311 states have return successors, (771), 725 states have call predecessors, (771), 727 states have call successors, (771) [2022-07-12 13:00:46,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5518 states to 5518 states and 7536 transitions. [2022-07-12 13:00:46,472 INFO L78 Accepts]: Start accepts. Automaton has 5518 states and 7536 transitions. Word has length 160 [2022-07-12 13:00:46,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:00:46,472 INFO L495 AbstractCegarLoop]: Abstraction has 5518 states and 7536 transitions. [2022-07-12 13:00:46,473 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) [2022-07-12 13:00:46,473 INFO L276 IsEmpty]: Start isEmpty. Operand 5518 states and 7536 transitions. [2022-07-12 13:00:46,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-07-12 13:00:46,479 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:00:46,479 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] [2022-07-12 13:00:46,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 13:00:46,479 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:00:46,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:00:46,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1258844308, now seen corresponding path program 1 times [2022-07-12 13:00:46,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:00:46,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221568942] [2022-07-12 13:00:46,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:46,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:00:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:00:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:00:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:00:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:00:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:00:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 13:00:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 13:00:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 13:00:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 13:00:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 13:00:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:00:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:00:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:00:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 13:00:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:00:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:00:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 13:00:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:46,669 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-07-12 13:00:46,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:00:46,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221568942] [2022-07-12 13:00:46,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221568942] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:00:46,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:00:46,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:00:46,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810904951] [2022-07-12 13:00:46,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:00:46,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:00:46,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:00:46,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:00:46,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:00:46,670 INFO L87 Difference]: Start difference. First operand 5518 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) [2022-07-12 13:00:48,817 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 [] [2022-07-12 13:00:50,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:00:50,604 INFO L93 Difference]: Finished difference Result 18004 states and 25089 transitions. [2022-07-12 13:00:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 13:00:50,604 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 [2022-07-12 13:00:50,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:00:50,639 INFO L225 Difference]: With dead ends: 18004 [2022-07-12 13:00:50,640 INFO L226 Difference]: Without dead ends: 12517 [2022-07-12 13:00:50,650 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 [2022-07-12 13:00:50,651 INFO L413 NwaCegarLoop]: 1526 mSDtfsCounter, 994 mSDsluCounter, 3340 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 273 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1036 SdHoareTripleChecker+Valid, 4866 SdHoareTripleChecker+Invalid, 1796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 273 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-12 13:00:50,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1036 Valid, 4866 Invalid, 1796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [273 Valid, 1522 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-12 13:00:50,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12517 states. [2022-07-12 13:00:50,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12517 to 5526. [2022-07-12 13:00:50,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5526 states, 4486 states have (on average 1.3475256353098528) internal successors, (6045), 4500 states have internal predecessors, (6045), 728 states have call successors, (728), 300 states have call predecessors, (728), 311 states have return successors, (771), 725 states have call predecessors, (771), 727 states have call successors, (771) [2022-07-12 13:00:50,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5526 states to 5526 states and 7544 transitions. [2022-07-12 13:00:50,912 INFO L78 Accepts]: Start accepts. Automaton has 5526 states and 7544 transitions. Word has length 205 [2022-07-12 13:00:50,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:00:50,912 INFO L495 AbstractCegarLoop]: Abstraction has 5526 states and 7544 transitions. [2022-07-12 13:00:50,912 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) [2022-07-12 13:00:50,912 INFO L276 IsEmpty]: Start isEmpty. Operand 5526 states and 7544 transitions. [2022-07-12 13:00:50,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-12 13:00:50,918 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:00:50,918 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] [2022-07-12 13:00:50,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 13:00:50,919 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:00:50,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:00:50,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1303563374, now seen corresponding path program 1 times [2022-07-12 13:00:50,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:00:50,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719038311] [2022-07-12 13:00:50,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:50,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:00:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:00:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:00:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:00:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:00:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:00:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 13:00:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 13:00:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 13:00:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 13:00:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 13:00:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:00:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:00:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:00:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 13:00:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:00:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:00:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 13:00:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:00:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 13:00:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 13:00:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 13:00:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 13:00:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 13:00:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:00:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:51,233 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-12 13:00:51,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:00:51,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719038311] [2022-07-12 13:00:51,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719038311] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:00:51,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:00:51,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:00:51,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500483981] [2022-07-12 13:00:51,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:00:51,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:00:51,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:00:51,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:00:51,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:00:51,236 INFO L87 Difference]: Start difference. First operand 5526 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) [2022-07-12 13:00:53,359 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 [] [2022-07-12 13:00:54,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:00:54,198 INFO L93 Difference]: Finished difference Result 12823 states and 17893 transitions. [2022-07-12 13:00:54,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 13:00:54,199 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 [2022-07-12 13:00:54,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:00:54,218 INFO L225 Difference]: With dead ends: 12823 [2022-07-12 13:00:54,219 INFO L226 Difference]: Without dead ends: 7328 [2022-07-12 13:00:54,229 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 [2022-07-12 13:00:54,230 INFO L413 NwaCegarLoop]: 797 mSDtfsCounter, 893 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 220 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 1724 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-07-12 13:00:54,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 1724 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 484 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-07-12 13:00:54,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7328 states. [2022-07-12 13:00:54,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7328 to 5354. [2022-07-12 13:00:54,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5354 states, 4338 states have (on average 1.3072844628861227) internal successors, (5671), 4352 states have internal predecessors, (5671), 712 states have call successors, (712), 300 states have call predecessors, (712), 303 states have return successors, (723), 701 states have call predecessors, (723), 711 states have call successors, (723) [2022-07-12 13:00:54,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5354 states to 5354 states and 7106 transitions. [2022-07-12 13:00:54,466 INFO L78 Accepts]: Start accepts. Automaton has 5354 states and 7106 transitions. Word has length 260 [2022-07-12 13:00:54,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:00:54,467 INFO L495 AbstractCegarLoop]: Abstraction has 5354 states and 7106 transitions. [2022-07-12 13:00:54,467 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) [2022-07-12 13:00:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand 5354 states and 7106 transitions. [2022-07-12 13:00:54,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-12 13:00:54,472 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:00:54,473 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] [2022-07-12 13:00:54,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 13:00:54,473 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:00:54,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:00:54,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1774815124, now seen corresponding path program 1 times [2022-07-12 13:00:54,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:00:54,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702700208] [2022-07-12 13:00:54,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:54,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:00:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:00:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:00:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:00:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:00:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:00:54,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 13:00:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 13:00:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 13:00:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 13:00:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 13:00:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:00:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:00:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:00:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 13:00:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:00:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:00:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 13:00:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:00:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 13:00:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 13:00:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 13:00:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 13:00:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 13:00:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:00:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:54,739 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-12 13:00:54,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:00:54,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702700208] [2022-07-12 13:00:54,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702700208] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:00:54,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:00:54,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:00:54,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789793707] [2022-07-12 13:00:54,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:00:54,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:00:54,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:00:54,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:00:54,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:00:54,741 INFO L87 Difference]: Start difference. First operand 5354 states and 7106 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) [2022-07-12 13:00:56,884 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 [] [2022-07-12 13:00:57,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:00:57,540 INFO L93 Difference]: Finished difference Result 12647 states and 17101 transitions. [2022-07-12 13:00:57,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 13:00:57,540 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 [2022-07-12 13:00:57,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:00:57,555 INFO L225 Difference]: With dead ends: 12647 [2022-07-12 13:00:57,555 INFO L226 Difference]: Without dead ends: 7324 [2022-07-12 13:00:57,564 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 [2022-07-12 13:00:57,565 INFO L413 NwaCegarLoop]: 850 mSDtfsCounter, 324 mSDsluCounter, 1747 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 232 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 2597 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-12 13:00:57,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 2597 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 515 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-07-12 13:00:57,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7324 states. [2022-07-12 13:00:57,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7324 to 5358. [2022-07-12 13:00:57,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5358 states, 4342 states have (on average 1.3070013818516812) internal successors, (5675), 4356 states have internal predecessors, (5675), 712 states have call successors, (712), 300 states have call predecessors, (712), 303 states have return successors, (723), 701 states have call predecessors, (723), 711 states have call successors, (723) [2022-07-12 13:00:57,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5358 states to 5358 states and 7110 transitions. [2022-07-12 13:00:57,763 INFO L78 Accepts]: Start accepts. Automaton has 5358 states and 7110 transitions. Word has length 260 [2022-07-12 13:00:57,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:00:57,765 INFO L495 AbstractCegarLoop]: Abstraction has 5358 states and 7110 transitions. [2022-07-12 13:00:57,765 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) [2022-07-12 13:00:57,766 INFO L276 IsEmpty]: Start isEmpty. Operand 5358 states and 7110 transitions. [2022-07-12 13:00:57,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-12 13:00:57,772 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:00:57,772 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] [2022-07-12 13:00:57,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 13:00:57,773 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:00:57,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:00:57,773 INFO L85 PathProgramCache]: Analyzing trace with hash 745455826, now seen corresponding path program 1 times [2022-07-12 13:00:57,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:00:57,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964301594] [2022-07-12 13:00:57,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:00:57,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:00:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:00:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:00:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:00:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:00:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:00:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:00:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 13:00:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 13:00:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 13:00:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 13:00:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 13:00:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:00:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:00:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:00:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 13:00:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:00:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:00:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 13:00:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:00:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 13:00:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 13:00:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 13:00:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 13:00:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 13:00:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:00:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:00:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-12 13:00:57,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:00:57,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964301594] [2022-07-12 13:00:57,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964301594] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:00:57,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:00:57,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 13:00:57,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511695805] [2022-07-12 13:00:57,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:00:57,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 13:00:57,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:00:57,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 13:00:57,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-12 13:00:57,988 INFO L87 Difference]: Start difference. First operand 5358 states and 7110 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) [2022-07-12 13:00:59,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:00,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:02,615 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 [] [2022-07-12 13:01:03,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:01:03,275 INFO L93 Difference]: Finished difference Result 12663 states and 17125 transitions. [2022-07-12 13:01:03,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 13:01:03,276 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 [2022-07-12 13:01:03,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:01:03,294 INFO L225 Difference]: With dead ends: 12663 [2022-07-12 13:01:03,295 INFO L226 Difference]: Without dead ends: 7336 [2022-07-12 13:01:03,305 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 [2022-07-12 13:01:03,306 INFO L413 NwaCegarLoop]: 819 mSDtfsCounter, 336 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 262 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 1979 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:01:03,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 1979 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 414 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-07-12 13:01:03,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7336 states. [2022-07-12 13:01:03,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7336 to 5362. [2022-07-12 13:01:03,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5362 states, 4346 states have (on average 1.3067188219052002) internal successors, (5679), 4360 states have internal predecessors, (5679), 712 states have call successors, (712), 300 states have call predecessors, (712), 303 states have return successors, (723), 701 states have call predecessors, (723), 711 states have call successors, (723) [2022-07-12 13:01:03,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5362 states to 5362 states and 7114 transitions. [2022-07-12 13:01:03,517 INFO L78 Accepts]: Start accepts. Automaton has 5362 states and 7114 transitions. Word has length 260 [2022-07-12 13:01:03,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:01:03,519 INFO L495 AbstractCegarLoop]: Abstraction has 5362 states and 7114 transitions. [2022-07-12 13:01:03,519 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), 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) [2022-07-12 13:01:03,519 INFO L276 IsEmpty]: Start isEmpty. Operand 5362 states and 7114 transitions. [2022-07-12 13:01:03,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-12 13:01:03,531 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:01:03,531 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] [2022-07-12 13:01:03,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 13:01:03,531 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:01:03,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:01:03,532 INFO L85 PathProgramCache]: Analyzing trace with hash 673069268, now seen corresponding path program 1 times [2022-07-12 13:01:03,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:01:03,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869139372] [2022-07-12 13:01:03,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:01:03,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:01:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:01:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:01:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:01:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:01:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:01:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:01:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:01:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 13:01:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 13:01:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 13:01:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 13:01:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 13:01:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:01:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:01:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:01:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 13:01:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:01:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:01:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 13:01:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:01:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 13:01:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 13:01:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 13:01:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 13:01:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 13:01:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:01:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-12 13:01:03,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:01:03,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869139372] [2022-07-12 13:01:03,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869139372] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:01:03,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:01:03,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 13:01:03,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863203161] [2022-07-12 13:01:03,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:01:03,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 13:01:03,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:01:03,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 13:01:03,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-12 13:01:03,760 INFO L87 Difference]: Start difference. First operand 5362 states and 7114 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) [2022-07-12 13:01:05,121 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:07,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:09,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:11,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:11,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:01:11,937 INFO L93 Difference]: Finished difference Result 12679 states and 17141 transitions. [2022-07-12 13:01:11,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:01:11,937 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 [2022-07-12 13:01:11,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:01:11,956 INFO L225 Difference]: With dead ends: 12679 [2022-07-12 13:01:11,956 INFO L226 Difference]: Without dead ends: 7348 [2022-07-12 13:01:11,966 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 [2022-07-12 13:01:11,967 INFO L413 NwaCegarLoop]: 809 mSDtfsCounter, 339 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 267 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 2555 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-07-12 13:01:11,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 2555 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 675 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2022-07-12 13:01:11,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7348 states. [2022-07-12 13:01:12,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7348 to 5370. [2022-07-12 13:01:12,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5370 states, 4354 states have (on average 1.3061552595314654) internal successors, (5687), 4368 states have internal predecessors, (5687), 712 states have call successors, (712), 300 states have call predecessors, (712), 303 states have return successors, (723), 701 states have call predecessors, (723), 711 states have call successors, (723) [2022-07-12 13:01:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5370 states to 5370 states and 7122 transitions. [2022-07-12 13:01:12,195 INFO L78 Accepts]: Start accepts. Automaton has 5370 states and 7122 transitions. Word has length 260 [2022-07-12 13:01:12,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:01:12,196 INFO L495 AbstractCegarLoop]: Abstraction has 5370 states and 7122 transitions. [2022-07-12 13:01:12,196 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) [2022-07-12 13:01:12,196 INFO L276 IsEmpty]: Start isEmpty. Operand 5370 states and 7122 transitions. [2022-07-12 13:01:12,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-12 13:01:12,201 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:01:12,202 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] [2022-07-12 13:01:12,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 13:01:12,202 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:01:12,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:01:12,202 INFO L85 PathProgramCache]: Analyzing trace with hash -170936234, now seen corresponding path program 1 times [2022-07-12 13:01:12,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:01:12,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715627799] [2022-07-12 13:01:12,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:01:12,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:01:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:01:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:01:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:01:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:01:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:01:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:01:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:01:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 13:01:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 13:01:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 13:01:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 13:01:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 13:01:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:01:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 13:01:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:01:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 13:01:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:01:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:01:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 13:01:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:01:12,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 13:01:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 13:01:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 13:01:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 13:01:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 13:01:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 13:01:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:12,554 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-07-12 13:01:12,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:01:12,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715627799] [2022-07-12 13:01:12,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715627799] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 13:01:12,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144261567] [2022-07-12 13:01:12,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:01:12,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:01:12,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:01:12,556 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) [2022-07-12 13:01:12,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 13:01:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:13,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 2509 conjuncts, 37 conjunts are in the unsatisfiable core [2022-07-12 13:01:13,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:01:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2022-07-12 13:01:13,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:01:13,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144261567] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:01:13,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 13:01:13,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 11 [2022-07-12 13:01:13,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613824989] [2022-07-12 13:01:13,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:01:13,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 13:01:13,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:01:13,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 13:01:13,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:01:13,152 INFO L87 Difference]: Start difference. First operand 5370 states and 7122 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) [2022-07-12 13:01:13,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:01:13,389 INFO L93 Difference]: Finished difference Result 11627 states and 15478 transitions. [2022-07-12 13:01:13,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 13:01:13,390 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 [2022-07-12 13:01:13,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:01:13,405 INFO L225 Difference]: With dead ends: 11627 [2022-07-12 13:01:13,405 INFO L226 Difference]: Without dead ends: 6288 [2022-07-12 13:01:13,413 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 [2022-07-12 13:01:13,413 INFO L413 NwaCegarLoop]: 968 mSDtfsCounter, 158 mSDsluCounter, 5619 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 6587 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 13:01:13,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 6587 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 13:01:13,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6288 states. [2022-07-12 13:01:13,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6288 to 5402. [2022-07-12 13:01:13,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5402 states, 4378 states have (on average 1.3044769301050707) internal successors, (5711), 4392 states have internal predecessors, (5711), 712 states have call successors, (712), 300 states have call predecessors, (712), 311 states have return successors, (743), 709 states have call predecessors, (743), 711 states have call successors, (743) [2022-07-12 13:01:13,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 5402 states and 7166 transitions. [2022-07-12 13:01:13,639 INFO L78 Accepts]: Start accepts. Automaton has 5402 states and 7166 transitions. Word has length 260 [2022-07-12 13:01:13,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:01:13,639 INFO L495 AbstractCegarLoop]: Abstraction has 5402 states and 7166 transitions. [2022-07-12 13:01:13,640 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) [2022-07-12 13:01:13,640 INFO L276 IsEmpty]: Start isEmpty. Operand 5402 states and 7166 transitions. [2022-07-12 13:01:13,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-12 13:01:13,647 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:01:13,647 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] [2022-07-12 13:01:13,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-12 13:01:13,864 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 [2022-07-12 13:01:13,865 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:01:13,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:01:13,865 INFO L85 PathProgramCache]: Analyzing trace with hash 366471199, now seen corresponding path program 2 times [2022-07-12 13:01:13,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:01:13,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132840331] [2022-07-12 13:01:13,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:01:13,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:01:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:01:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 13:01:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 13:01:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 13:01:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 13:01:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:01:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 13:01:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 13:01:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 13:01:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 13:01:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-12 13:01:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 13:01:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:01:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 13:01:14,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 13:01:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:01:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-12 13:01:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 13:01:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:01:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 13:01:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 13:01:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 13:01:14,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 13:01:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-12 13:01:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-12 13:01:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-12 13:01:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-12 13:01:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:14,231 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 29 proven. 8 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-07-12 13:01:14,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 13:01:14,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132840331] [2022-07-12 13:01:14,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132840331] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 13:01:14,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667735117] [2022-07-12 13:01:14,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:01:14,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 13:01:14,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:01:14,233 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) [2022-07-12 13:01:14,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-12 13:01:14,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-12 13:01:14,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:01:14,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 2535 conjuncts, 49 conjunts are in the unsatisfiable core [2022-07-12 13:01:14,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:01:14,861 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-07-12 13:01:14,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:01:14,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667735117] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:01:14,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 13:01:14,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 13 [2022-07-12 13:01:14,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775914490] [2022-07-12 13:01:14,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:01:14,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 13:01:14,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 13:01:14,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 13:01:14,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-07-12 13:01:14,863 INFO L87 Difference]: Start difference. First operand 5402 states and 7166 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) [2022-07-12 13:01:15,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:01:15,134 INFO L93 Difference]: Finished difference Result 12263 states and 16360 transitions. [2022-07-12 13:01:15,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 13:01:15,135 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 [2022-07-12 13:01:15,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:01:15,150 INFO L225 Difference]: With dead ends: 12263 [2022-07-12 13:01:15,150 INFO L226 Difference]: Without dead ends: 6892 [2022-07-12 13:01:15,156 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 [2022-07-12 13:01:15,157 INFO L413 NwaCegarLoop]: 1061 mSDtfsCounter, 221 mSDsluCounter, 8204 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 9265 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 [2022-07-12 13:01:15,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 9265 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 13:01:15,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6892 states. [2022-07-12 13:01:15,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6892 to 5446. [2022-07-12 13:01:15,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5446 states, 4410 states have (on average 1.302267573696145) internal successors, (5743), 4424 states have internal predecessors, (5743), 712 states have call successors, (712), 300 states have call predecessors, (712), 323 states have return successors, (779), 721 states have call predecessors, (779), 711 states have call successors, (779) [2022-07-12 13:01:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5446 states to 5446 states and 7234 transitions. [2022-07-12 13:01:15,347 INFO L78 Accepts]: Start accepts. Automaton has 5446 states and 7234 transitions. Word has length 266 [2022-07-12 13:01:15,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:01:15,348 INFO L495 AbstractCegarLoop]: Abstraction has 5446 states and 7234 transitions. [2022-07-12 13:01:15,349 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) [2022-07-12 13:01:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 5446 states and 7234 transitions. [2022-07-12 13:01:15,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-12 13:01:15,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:01:15,354 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] [2022-07-12 13:01:15,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-12 13:01:15,567 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 [2022-07-12 13:01:15,567 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:01:15,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:01:15,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1251851727, now seen corresponding path program 3 times [2022-07-12 13:01:15,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 13:01:15,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533903012] [2022-07-12 13:01:15,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:01:15,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 13:01:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 13:01:16,008 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 13:01:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 13:01:16,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 13:01:16,516 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 13:01:16,517 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 13:01:16,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-12 13:01:16,520 INFO L356 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 13:01:16,522 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 13:01:16,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 01:01:16 BoogieIcfgContainer [2022-07-12 13:01:16,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 13:01:16,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 13:01:16,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 13:01:16,766 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 13:01:16,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:00:09" (3/4) ... [2022-07-12 13:01:16,768 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 13:01:16,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 13:01:16,769 INFO L158 Benchmark]: Toolchain (without parser) took 72387.83ms. Allocated memory was 104.9MB in the beginning and 836.8MB in the end (delta: 731.9MB). Free memory was 55.1MB in the beginning and 548.4MB in the end (delta: -493.3MB). Peak memory consumption was 240.0MB. Max. memory is 16.1GB. [2022-07-12 13:01:16,769 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 13:01:16,770 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1031.86ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 54.8MB in the beginning and 99.4MB in the end (delta: -44.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-07-12 13:01:16,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.64ms. Allocated memory is still 144.7MB. Free memory was 99.4MB in the beginning and 86.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-12 13:01:16,770 INFO L158 Benchmark]: Boogie Preprocessor took 98.27ms. Allocated memory is still 144.7MB. Free memory was 86.9MB in the beginning and 74.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-12 13:01:16,770 INFO L158 Benchmark]: RCFGBuilder took 3985.76ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 74.3MB in the beginning and 85.8MB in the end (delta: -11.5MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2022-07-12 13:01:16,771 INFO L158 Benchmark]: TraceAbstraction took 67136.14ms. Allocated memory was 180.4MB in the beginning and 836.8MB in the end (delta: 656.4MB). Free memory was 84.7MB in the beginning and 549.4MB in the end (delta: -464.7MB). Peak memory consumption was 481.1MB. Max. memory is 16.1GB. [2022-07-12 13:01:16,772 INFO L158 Benchmark]: Witness Printer took 2.76ms. Allocated memory is still 836.8MB. Free memory was 549.4MB in the beginning and 548.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 13:01:16,775 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 104.9MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1031.86ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 54.8MB in the beginning and 99.4MB in the end (delta: -44.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.64ms. Allocated memory is still 144.7MB. Free memory was 99.4MB in the beginning and 86.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.27ms. Allocated memory is still 144.7MB. Free memory was 86.9MB in the beginning and 74.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3985.76ms. Allocated memory was 144.7MB in the beginning and 180.4MB in the end (delta: 35.7MB). Free memory was 74.3MB in the beginning and 85.8MB in the end (delta: -11.5MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. * TraceAbstraction took 67136.14ms. Allocated memory was 180.4MB in the beginning and 836.8MB in the end (delta: 656.4MB). Free memory was 84.7MB in the beginning and 549.4MB in the end (delta: -464.7MB). Peak memory consumption was 481.1MB. Max. memory is 16.1GB. * Witness Printer took 2.76ms. Allocated memory is still 836.8MB. Free memory was 549.4MB in the beginning and 548.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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: 66.8s, OverallIterations: 17, TraceHistogramMax: 9, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 55.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 9344 SdHoareTripleChecker+Valid, 52.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8971 mSDsluCounter, 56131 SdHoareTripleChecker+Invalid, 50.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39442 mSDsCounter, 3071 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8332 IncrementalHoareTripleChecker+Invalid, 11419 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3071 mSolverCounterUnsat, 16689 mSDtfsCounter, 8332 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1534 GetRequests, 1419 SyntacticMatches, 7 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5526occurred in iteration=10, InterpolantAutomatonStates: 107, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 25682 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 3.4s 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 [2022-07-12 13:01:16,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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-?-6c24879 [2022-07-12 13:01:18,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 13:01:18,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 13:01:18,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 13:01:18,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 13:01:18,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 13:01:18,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 13:01:18,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 13:01:18,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 13:01:18,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 13:01:18,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 13:01:18,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 13:01:18,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 13:01:18,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 13:01:18,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 13:01:18,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 13:01:18,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 13:01:18,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 13:01:18,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 13:01:18,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 13:01:18,446 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 13:01:18,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 13:01:18,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 13:01:18,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 13:01:18,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 13:01:18,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 13:01:18,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 13:01:18,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 13:01:18,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 13:01:18,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 13:01:18,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 13:01:18,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 13:01:18,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 13:01:18,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 13:01:18,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 13:01:18,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 13:01:18,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 13:01:18,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 13:01:18,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 13:01:18,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 13:01:18,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 13:01:18,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 13:01:18,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 13:01:18,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 13:01:18,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 13:01:18,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 13:01:18,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 13:01:18,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 13:01:18,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 13:01:18,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 13:01:18,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 13:01:18,504 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 13:01:18,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 13:01:18,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 13:01:18,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 13:01:18,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 13:01:18,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 13:01:18,505 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 13:01:18,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 13:01:18,505 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 13:01:18,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 13:01:18,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 13:01:18,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 13:01:18,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 13:01:18,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 13:01:18,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 13:01:18,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:01:18,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 13:01:18,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 13:01:18,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 13:01:18,507 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 13:01:18,507 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 13:01:18,507 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 13:01:18,507 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 13:01:18,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 13:01:18,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 13:01:18,508 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0954289a294fb2be404f98afcefa652a2fbf60d586d07e7d68c419183f4ff07 [2022-07-12 13:01:18,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 13:01:18,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 13:01:18,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 13:01:18,808 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 13:01:18,808 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 13:01:18,809 INFO L432 ainManager$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 [2022-07-12 13:01:18,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90ec695f4/f58f9eab16cf4948af77360d8e796895/FLAGd60725a5b [2022-07-12 13:01:19,421 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 13:01:19,422 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 [2022-07-12 13:01:19,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90ec695f4/f58f9eab16cf4948af77360d8e796895/FLAGd60725a5b [2022-07-12 13:01:19,648 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90ec695f4/f58f9eab16cf4948af77360d8e796895 [2022-07-12 13:01:19,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 13:01:19,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 13:01:19,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 13:01:19,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 13:01:19,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 13:01:19,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:01:19" (1/1) ... [2022-07-12 13:01:19,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ca8091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:01:19, skipping insertion in model container [2022-07-12 13:01:19,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 01:01:19" (1/1) ... [2022-07-12 13:01:19,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 13:01:19,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:01:20,019 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2022-07-12 13:01:20,020 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] [2022-07-12 13:01:20,020 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] [2022-07-12 13:01:20,021 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] [2022-07-12 13:01:20,022 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2022-07-12 13:01:20,023 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] [2022-07-12 13:01:20,023 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2022-07-12 13:01:20,024 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] [2022-07-12 13:01:20,038 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2022-07-12 13:01:20,039 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2022-07-12 13:01:20,039 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2022-07-12 13:01:20,040 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2022-07-12 13:01:20,040 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] [2022-07-12 13:01:20,040 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2022-07-12 13:01:20,196 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] [2022-07-12 13:01:20,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:01:20,433 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 13:01:20,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 13:01:20,509 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2022-07-12 13:01:20,509 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] [2022-07-12 13:01:20,510 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] [2022-07-12 13:01:20,510 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] [2022-07-12 13:01:20,510 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2022-07-12 13:01:20,511 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] [2022-07-12 13:01:20,511 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2022-07-12 13:01:20,511 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] [2022-07-12 13:01:20,516 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2022-07-12 13:01:20,516 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2022-07-12 13:01:20,517 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2022-07-12 13:01:20,517 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2022-07-12 13:01:20,517 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] [2022-07-12 13:01:20,518 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2022-07-12 13:01:20,544 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] [2022-07-12 13:01:20,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:01:20,653 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 13:01:20,722 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2022-07-12 13:01:20,723 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] [2022-07-12 13:01:20,723 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] [2022-07-12 13:01:20,723 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] [2022-07-12 13:01:20,724 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2022-07-12 13:01:20,724 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] [2022-07-12 13:01:20,724 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2022-07-12 13:01:20,724 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] [2022-07-12 13:01:20,729 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2022-07-12 13:01:20,729 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2022-07-12 13:01:20,729 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2022-07-12 13:01:20,730 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2022-07-12 13:01:20,730 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] [2022-07-12 13:01:20,730 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2022-07-12 13:01:20,741 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] [2022-07-12 13:01:20,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 13:01:20,892 INFO L208 MainTranslator]: Completed translation [2022-07-12 13:01:20,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:01:20 WrapperNode [2022-07-12 13:01:20,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 13:01:20,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 13:01:20,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 13:01:20,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 13:01:20,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:01:20" (1/1) ... [2022-07-12 13:01:20,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:01:20" (1/1) ... [2022-07-12 13:01:21,020 INFO L137 Inliner]: procedures = 139, calls = 768, calls flagged for inlining = 62, calls inlined = 62, statements flattened = 2028 [2022-07-12 13:01:21,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 13:01:21,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 13:01:21,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 13:01:21,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 13:01:21,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:01:20" (1/1) ... [2022-07-12 13:01:21,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:01:20" (1/1) ... [2022-07-12 13:01:21,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:01:20" (1/1) ... [2022-07-12 13:01:21,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:01:20" (1/1) ... [2022-07-12 13:01:21,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:01:20" (1/1) ... [2022-07-12 13:01:21,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:01:20" (1/1) ... [2022-07-12 13:01:21,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:01:20" (1/1) ... [2022-07-12 13:01:21,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 13:01:21,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 13:01:21,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 13:01:21,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 13:01:21,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:01:20" (1/1) ... [2022-07-12 13:01:21,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 13:01:21,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 13:01:21,241 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) [2022-07-12 13:01:21,259 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 [2022-07-12 13:01:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 13:01:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-07-12 13:01:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-07-12 13:01:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 13:01:21,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 13:01:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 13:01:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 13:01:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 13:01:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 13:01:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-07-12 13:01:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-07-12 13:01:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 13:01:21,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 13:01:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 13:01:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 13:01:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 13:01:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 13:01:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 13:01:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 13:01:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 13:01:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 13:01:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-07-12 13:01:21,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-07-12 13:01:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 13:01:21,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 13:01:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 13:01:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 13:01:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 13:01:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 13:01:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2022-07-12 13:01:21,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2022-07-12 13:01:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 13:01:21,274 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 13:01:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-07-12 13:01:21,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-07-12 13:01:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 13:01:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-07-12 13:01:21,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-07-12 13:01:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-07-12 13:01:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 13:01:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2022-07-12 13:01:21,275 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2022-07-12 13:01:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2022-07-12 13:01:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2022-07-12 13:01:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 13:01:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 13:01:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 13:01:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 13:01:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 13:01:21,276 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2022-07-12 13:01:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2022-07-12 13:01:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-12 13:01:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-12 13:01:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-07-12 13:01:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-07-12 13:01:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-12 13:01:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-12 13:01:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 13:01:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2022-07-12 13:01:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2022-07-12 13:01:21,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 13:01:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 13:01:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 13:01:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 13:01:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-07-12 13:01:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-07-12 13:01:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 13:01:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 13:01:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 13:01:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 13:01:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2022-07-12 13:01:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2022-07-12 13:01:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-07-12 13:01:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-07-12 13:01:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 13:01:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 13:01:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 13:01:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 13:01:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 13:01:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2022-07-12 13:01:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2022-07-12 13:01:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 13:01:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 13:01:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 13:01:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 13:01:21,745 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 13:01:21,746 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 13:01:21,967 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 13:01:29,349 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-07-12 13:01:38,603 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 13:01:38,618 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 13:01:38,619 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 13:01:38,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:01:38 BoogieIcfgContainer [2022-07-12 13:01:38,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 13:01:38,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 13:01:38,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 13:01:38,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 13:01:38,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 01:01:19" (1/3) ... [2022-07-12 13:01:38,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65685059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:01:38, skipping insertion in model container [2022-07-12 13:01:38,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 01:01:20" (2/3) ... [2022-07-12 13:01:38,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65685059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 01:01:38, skipping insertion in model container [2022-07-12 13:01:38,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 01:01:38" (3/3) ... [2022-07-12 13:01:38,627 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2022-07-12 13:01:38,636 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 13:01:38,636 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 13:01:38,685 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 13:01:38,690 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@6c83fb54, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@631bf7be [2022-07-12 13:01:38,690 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 13:01:38,694 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) [2022-07-12 13:01:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-12 13:01:38,706 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:01:38,706 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] [2022-07-12 13:01:38,707 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:01:38,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:01:38,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1290775675, now seen corresponding path program 1 times [2022-07-12 13:01:38,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:01:38,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427831230] [2022-07-12 13:01:38,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:01:38,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:01:38,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:01:38,724 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) [2022-07-12 13:01:38,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 13:01:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:39,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 13:01:39,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:01:39,785 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-12 13:01:39,786 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:01:39,786 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:01:39,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427831230] [2022-07-12 13:01:39,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427831230] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:01:39,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:01:39,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 13:01:39,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915451486] [2022-07-12 13:01:39,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:01:39,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:01:39,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:01:39,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:01:39,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:01:39,816 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) [2022-07-12 13:01:40,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:01:40,474 INFO L93 Difference]: Finished difference Result 1223 states and 1839 transitions. [2022-07-12 13:01:40,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 13:01:40,477 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 [2022-07-12 13:01:40,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:01:40,493 INFO L225 Difference]: With dead ends: 1223 [2022-07-12 13:01:40,493 INFO L226 Difference]: Without dead ends: 573 [2022-07-12 13:01:40,500 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 [2022-07-12 13:01:40,506 INFO L413 NwaCegarLoop]: 828 mSDtfsCounter, 37 mSDsluCounter, 2454 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-07-12 13:01:40,507 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] [2022-07-12 13:01:40,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2022-07-12 13:01:40,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 571. [2022-07-12 13:01:40,576 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) [2022-07-12 13:01:40,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 822 transitions. [2022-07-12 13:01:40,582 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 822 transitions. Word has length 58 [2022-07-12 13:01:40,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:01:40,583 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 822 transitions. [2022-07-12 13:01:40,583 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) [2022-07-12 13:01:40,583 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 822 transitions. [2022-07-12 13:01:40,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-12 13:01:40,591 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:01:40,592 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] [2022-07-12 13:01:40,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 13:01:40,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:01:40,800 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:01:40,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:01:40,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1640476605, now seen corresponding path program 1 times [2022-07-12 13:01:40,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:01:40,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090112953] [2022-07-12 13:01:40,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:01:40,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:01:40,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:01:40,803 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) [2022-07-12 13:01:40,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 13:01:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:41,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:01:41,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:01:41,388 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-12 13:01:41,388 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:01:41,388 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:01:41,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090112953] [2022-07-12 13:01:41,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2090112953] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:01:41,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:01:41,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:01:41,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086329594] [2022-07-12 13:01:41,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:01:41,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:01:41,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:01:41,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:01:41,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:01:41,391 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) [2022-07-12 13:01:42,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:01:42,565 INFO L93 Difference]: Finished difference Result 1163 states and 1678 transitions. [2022-07-12 13:01:42,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:01:42,565 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 [2022-07-12 13:01:42,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:01:42,569 INFO L225 Difference]: With dead ends: 1163 [2022-07-12 13:01:42,569 INFO L226 Difference]: Without dead ends: 623 [2022-07-12 13:01:42,570 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 [2022-07-12 13:01:42,571 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 [2022-07-12 13:01:42,571 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] [2022-07-12 13:01:42,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2022-07-12 13:01:42,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 623. [2022-07-12 13:01:42,590 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) [2022-07-12 13:01:42,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 891 transitions. [2022-07-12 13:01:42,593 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 891 transitions. Word has length 64 [2022-07-12 13:01:42,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:01:42,595 INFO L495 AbstractCegarLoop]: Abstraction has 623 states and 891 transitions. [2022-07-12 13:01:42,595 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) [2022-07-12 13:01:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 891 transitions. [2022-07-12 13:01:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-12 13:01:42,601 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:01:42,601 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] [2022-07-12 13:01:42,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 13:01:42,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:01:42,819 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:01:42,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:01:42,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1952675630, now seen corresponding path program 1 times [2022-07-12 13:01:42,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:01:42,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950076880] [2022-07-12 13:01:42,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:01:42,820 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:01:42,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:01:42,822 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) [2022-07-12 13:01:42,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 13:01:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:43,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 13:01:43,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:01:43,556 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-07-12 13:01:43,556 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:01:43,556 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:01:43,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1950076880] [2022-07-12 13:01:43,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1950076880] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:01:43,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:01:43,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 13:01:43,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109875553] [2022-07-12 13:01:43,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:01:43,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 13:01:43,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:01:43,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 13:01:43,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:01:43,558 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) [2022-07-12 13:01:44,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:01:44,311 INFO L93 Difference]: Finished difference Result 1800 states and 2588 transitions. [2022-07-12 13:01:44,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 13:01:44,312 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 [2022-07-12 13:01:44,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:01:44,318 INFO L225 Difference]: With dead ends: 1800 [2022-07-12 13:01:44,319 INFO L226 Difference]: Without dead ends: 1182 [2022-07-12 13:01:44,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 13:01:44,325 INFO L413 NwaCegarLoop]: 1570 mSDtfsCounter, 771 mSDsluCounter, 3922 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 13:01:44,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 5492 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 13:01:44,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2022-07-12 13:01:44,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1128. [2022-07-12 13:01:44,372 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) [2022-07-12 13:01:44,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1632 transitions. [2022-07-12 13:01:44,377 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1632 transitions. Word has length 102 [2022-07-12 13:01:44,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:01:44,378 INFO L495 AbstractCegarLoop]: Abstraction has 1128 states and 1632 transitions. [2022-07-12 13:01:44,378 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) [2022-07-12 13:01:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1632 transitions. [2022-07-12 13:01:44,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-12 13:01:44,381 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:01:44,382 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] [2022-07-12 13:01:44,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 13:01:44,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:01:44,596 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:01:44,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:01:44,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1186314309, now seen corresponding path program 1 times [2022-07-12 13:01:44,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:01:44,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701068324] [2022-07-12 13:01:44,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:01:44,598 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:01:44,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:01:44,600 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) [2022-07-12 13:01:44,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 13:01:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:45,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:01:45,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:01:45,897 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-12 13:01:45,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:01:45,897 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:01:45,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [701068324] [2022-07-12 13:01:45,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [701068324] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:01:45,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:01:45,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:01:45,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715641525] [2022-07-12 13:01:45,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:01:45,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:01:45,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:01:45,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:01:45,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:01:45,899 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) [2022-07-12 13:01:47,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:01:47,400 INFO L93 Difference]: Finished difference Result 2714 states and 3945 transitions. [2022-07-12 13:01:47,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:01:47,400 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 [2022-07-12 13:01:47,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:01:47,407 INFO L225 Difference]: With dead ends: 2714 [2022-07-12 13:01:47,408 INFO L226 Difference]: Without dead ends: 1617 [2022-07-12 13:01:47,411 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 [2022-07-12 13:01:47,412 INFO L413 NwaCegarLoop]: 871 mSDtfsCounter, 332 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 13:01:47,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 1540 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 13:01:47,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2022-07-12 13:01:47,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1614. [2022-07-12 13:01:47,449 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) [2022-07-12 13:01:47,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2279 transitions. [2022-07-12 13:01:47,458 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2279 transitions. Word has length 112 [2022-07-12 13:01:47,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:01:47,459 INFO L495 AbstractCegarLoop]: Abstraction has 1614 states and 2279 transitions. [2022-07-12 13:01:47,459 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) [2022-07-12 13:01:47,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2279 transitions. [2022-07-12 13:01:47,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-12 13:01:47,461 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:01:47,461 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] [2022-07-12 13:01:47,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-12 13:01:47,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:01:47,679 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:01:47,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:01:47,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1884264768, now seen corresponding path program 1 times [2022-07-12 13:01:47,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:01:47,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800739035] [2022-07-12 13:01:47,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:01:47,680 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:01:47,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:01:47,682 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) [2022-07-12 13:01:47,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 13:01:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:48,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:01:48,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:01:48,286 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-12 13:01:48,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:01:48,286 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:01:48,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800739035] [2022-07-12 13:01:48,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1800739035] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:01:48,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:01:48,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:01:48,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304571879] [2022-07-12 13:01:48,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:01:48,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:01:48,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:01:48,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:01:48,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:01:48,288 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) [2022-07-12 13:01:50,441 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 13:01:50,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:01:50,636 INFO L93 Difference]: Finished difference Result 3201 states and 4538 transitions. [2022-07-12 13:01:50,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:01:50,637 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 [2022-07-12 13:01:50,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:01:50,644 INFO L225 Difference]: With dead ends: 3201 [2022-07-12 13:01:50,645 INFO L226 Difference]: Without dead ends: 1618 [2022-07-12 13:01:50,649 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 [2022-07-12 13:01:50,649 INFO L413 NwaCegarLoop]: 797 mSDtfsCounter, 0 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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 [2022-07-12 13:01:50,650 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] [2022-07-12 13:01:50,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1618 states. [2022-07-12 13:01:50,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1618 to 1618. [2022-07-12 13:01:50,683 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) [2022-07-12 13:01:50,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1618 states to 1618 states and 2283 transitions. [2022-07-12 13:01:50,689 INFO L78 Accepts]: Start accepts. Automaton has 1618 states and 2283 transitions. Word has length 122 [2022-07-12 13:01:50,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:01:50,690 INFO L495 AbstractCegarLoop]: Abstraction has 1618 states and 2283 transitions. [2022-07-12 13:01:50,690 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) [2022-07-12 13:01:50,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 2283 transitions. [2022-07-12 13:01:50,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-12 13:01:50,692 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:01:50,692 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] [2022-07-12 13:01:50,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 13:01:50,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:01:50,909 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:01:50,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:01:50,910 INFO L85 PathProgramCache]: Analyzing trace with hash -109257406, now seen corresponding path program 1 times [2022-07-12 13:01:50,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:01:50,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169390212] [2022-07-12 13:01:50,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:01:50,911 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:01:50,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:01:50,912 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) [2022-07-12 13:01:50,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 13:01:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:01:51,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 27 conjunts are in the unsatisfiable core [2022-07-12 13:01:51,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:02:00,888 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 108 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-12 13:02:00,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 13:02:07,428 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-07-12 13:02:07,428 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:02:07,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169390212] [2022-07-12 13:02:07,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [169390212] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 13:02:07,428 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 13:02:07,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2022-07-12 13:02:07,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632787744] [2022-07-12 13:02:07,429 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 13:02:07,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-12 13:02:07,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:02:07,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-12 13:02:07,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2022-07-12 13:02:07,430 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) [2022-07-12 13:02:20,970 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 [] [2022-07-12 13:03:10,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:10,397 INFO L93 Difference]: Finished difference Result 4783 states and 6800 transitions. [2022-07-12 13:03:10,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-12 13:03:10,399 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 [2022-07-12 13:03:10,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:10,417 INFO L225 Difference]: With dead ends: 4783 [2022-07-12 13:03:10,417 INFO L226 Difference]: Without dead ends: 4780 [2022-07-12 13:03:10,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=240, Invalid=1482, Unknown=0, NotChecked=0, Total=1722 [2022-07-12 13:03:10,421 INFO L413 NwaCegarLoop]: 1056 mSDtfsCounter, 2175 mSDsluCounter, 13986 mSDsCounter, 0 mSdLazyCounter, 3562 mSolverCounterSat, 253 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.0s 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, 55.5s IncrementalHoareTripleChecker+Time [2022-07-12 13:03:10,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 15042 Invalid, 3816 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [253 Valid, 3562 Invalid, 1 Unknown, 0 Unchecked, 55.5s Time] [2022-07-12 13:03:10,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4780 states. [2022-07-12 13:03:10,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4780 to 4710. [2022-07-12 13:03:10,576 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) [2022-07-12 13:03:10,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4710 states to 4710 states and 6685 transitions. [2022-07-12 13:03:10,592 INFO L78 Accepts]: Start accepts. Automaton has 4710 states and 6685 transitions. Word has length 122 [2022-07-12 13:03:10,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:10,593 INFO L495 AbstractCegarLoop]: Abstraction has 4710 states and 6685 transitions. [2022-07-12 13:03:10,593 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) [2022-07-12 13:03:10,594 INFO L276 IsEmpty]: Start isEmpty. Operand 4710 states and 6685 transitions. [2022-07-12 13:03:10,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 13:03:10,598 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:10,598 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] [2022-07-12 13:03:10,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:10,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:10,817 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:10,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:10,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1734619929, now seen corresponding path program 1 times [2022-07-12 13:03:10,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:10,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1459923558] [2022-07-12 13:03:10,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:03:10,819 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:10,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:10,820 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) [2022-07-12 13:03:10,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 13:03:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:03:11,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:03:11,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:11,570 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-07-12 13:03:11,571 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:11,571 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:11,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1459923558] [2022-07-12 13:03:11,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1459923558] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:11,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:11,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:03:11,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084619293] [2022-07-12 13:03:11,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:11,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:03:11,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:11,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:03:11,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:03:11,572 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) [2022-07-12 13:03:13,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:13,458 INFO L93 Difference]: Finished difference Result 10860 states and 15485 transitions. [2022-07-12 13:03:13,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:03:13,459 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 [2022-07-12 13:03:13,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:13,483 INFO L225 Difference]: With dead ends: 10860 [2022-07-12 13:03:13,484 INFO L226 Difference]: Without dead ends: 6181 [2022-07-12 13:03:13,497 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 [2022-07-12 13:03:13,497 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, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 13:03:13,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 1653 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 13:03:13,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6181 states. [2022-07-12 13:03:13,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6181 to 6178. [2022-07-12 13:03:13,665 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) [2022-07-12 13:03:13,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6178 states to 6178 states and 8630 transitions. [2022-07-12 13:03:13,681 INFO L78 Accepts]: Start accepts. Automaton has 6178 states and 8630 transitions. Word has length 131 [2022-07-12 13:03:13,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:13,683 INFO L495 AbstractCegarLoop]: Abstraction has 6178 states and 8630 transitions. [2022-07-12 13:03:13,683 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) [2022-07-12 13:03:13,683 INFO L276 IsEmpty]: Start isEmpty. Operand 6178 states and 8630 transitions. [2022-07-12 13:03:13,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-07-12 13:03:13,689 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:13,689 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] [2022-07-12 13:03:13,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:13,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:13,899 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:13,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:13,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1501513818, now seen corresponding path program 1 times [2022-07-12 13:03:13,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:13,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [844634520] [2022-07-12 13:03:13,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:03:13,901 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:13,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:13,902 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) [2022-07-12 13:03:13,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 13:03:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:03:14,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 1100 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 13:03:14,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:14,587 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-07-12 13:03:14,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:14,588 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:14,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [844634520] [2022-07-12 13:03:14,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [844634520] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:14,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:14,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 13:03:14,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284349119] [2022-07-12 13:03:14,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:14,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 13:03:14,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:14,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 13:03:14,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 13:03:14,590 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) [2022-07-12 13:03:15,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:15,431 INFO L93 Difference]: Finished difference Result 15763 states and 21841 transitions. [2022-07-12 13:03:15,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 13:03:15,432 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 [2022-07-12 13:03:15,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:15,467 INFO L225 Difference]: With dead ends: 15763 [2022-07-12 13:03:15,467 INFO L226 Difference]: Without dead ends: 9616 [2022-07-12 13:03:15,479 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 [2022-07-12 13:03:15,480 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 [2022-07-12 13:03:15,481 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] [2022-07-12 13:03:15,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9616 states. [2022-07-12 13:03:15,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9616 to 6190. [2022-07-12 13:03:15,734 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) [2022-07-12 13:03:15,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6190 states to 6190 states and 8642 transitions. [2022-07-12 13:03:15,773 INFO L78 Accepts]: Start accepts. Automaton has 6190 states and 8642 transitions. Word has length 154 [2022-07-12 13:03:15,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:15,773 INFO L495 AbstractCegarLoop]: Abstraction has 6190 states and 8642 transitions. [2022-07-12 13:03:15,773 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) [2022-07-12 13:03:15,773 INFO L276 IsEmpty]: Start isEmpty. Operand 6190 states and 8642 transitions. [2022-07-12 13:03:15,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-07-12 13:03:15,779 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:15,779 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] [2022-07-12 13:03:15,802 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:15,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:15,980 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:15,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:15,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1476314952, now seen corresponding path program 1 times [2022-07-12 13:03:15,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:15,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008258205] [2022-07-12 13:03:15,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:03:15,981 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:15,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:15,983 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) [2022-07-12 13:03:15,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 13:03:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:03:16,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 1197 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-12 13:03:16,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-07-12 13:03:17,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:17,994 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:17,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008258205] [2022-07-12 13:03:17,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008258205] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:17,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:17,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 13:03:17,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399175317] [2022-07-12 13:03:17,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:17,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 13:03:17,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:17,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 13:03:17,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-12 13:03:17,995 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) [2022-07-12 13:03:19,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:19,866 INFO L93 Difference]: Finished difference Result 13690 states and 19123 transitions. [2022-07-12 13:03:19,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 13:03:19,867 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 [2022-07-12 13:03:19,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:19,889 INFO L225 Difference]: With dead ends: 13690 [2022-07-12 13:03:19,889 INFO L226 Difference]: Without dead ends: 7531 [2022-07-12 13:03:19,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 13:03:19,904 INFO L413 NwaCegarLoop]: 987 mSDtfsCounter, 159 mSDsluCounter, 5729 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 13:03:19,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 6716 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 13:03:19,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7531 states. [2022-07-12 13:03:20,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7531 to 6238. [2022-07-12 13:03:20,117 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) [2022-07-12 13:03:20,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6238 states to 6238 states and 8708 transitions. [2022-07-12 13:03:20,131 INFO L78 Accepts]: Start accepts. Automaton has 6238 states and 8708 transitions. Word has length 160 [2022-07-12 13:03:20,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:20,132 INFO L495 AbstractCegarLoop]: Abstraction has 6238 states and 8708 transitions. [2022-07-12 13:03:20,132 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) [2022-07-12 13:03:20,132 INFO L276 IsEmpty]: Start isEmpty. Operand 6238 states and 8708 transitions. [2022-07-12 13:03:20,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-12 13:03:20,138 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:20,138 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] [2022-07-12 13:03:20,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:20,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:20,351 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:20,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:20,352 INFO L85 PathProgramCache]: Analyzing trace with hash 315266560, now seen corresponding path program 2 times [2022-07-12 13:03:20,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:20,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996587317] [2022-07-12 13:03:20,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:03:20,353 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:20,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:20,354 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) [2022-07-12 13:03:20,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-12 13:03:20,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-12 13:03:20,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:03:20,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:03:20,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:24,746 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-07-12 13:03:24,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:24,746 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:24,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996587317] [2022-07-12 13:03:24,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996587317] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:24,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:24,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 13:03:24,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269708856] [2022-07-12 13:03:24,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:24,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:03:24,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:24,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:03:24,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:03:24,747 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) [2022-07-12 13:03:25,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:25,296 INFO L93 Difference]: Finished difference Result 12445 states and 17452 transitions. [2022-07-12 13:03:25,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:03:25,296 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 [2022-07-12 13:03:25,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:25,316 INFO L225 Difference]: With dead ends: 12445 [2022-07-12 13:03:25,316 INFO L226 Difference]: Without dead ends: 6238 [2022-07-12 13:03:25,326 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 [2022-07-12 13:03:25,328 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 [2022-07-12 13:03:25,328 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] [2022-07-12 13:03:25,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6238 states. [2022-07-12 13:03:25,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6238 to 6238. [2022-07-12 13:03:25,526 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) [2022-07-12 13:03:25,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6238 states to 6238 states and 8460 transitions. [2022-07-12 13:03:25,539 INFO L78 Accepts]: Start accepts. Automaton has 6238 states and 8460 transitions. Word has length 166 [2022-07-12 13:03:25,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:25,540 INFO L495 AbstractCegarLoop]: Abstraction has 6238 states and 8460 transitions. [2022-07-12 13:03:25,541 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) [2022-07-12 13:03:25,541 INFO L276 IsEmpty]: Start isEmpty. Operand 6238 states and 8460 transitions. [2022-07-12 13:03:25,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-12 13:03:25,547 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:25,547 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] [2022-07-12 13:03:25,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:25,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:25,755 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:25,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:25,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1273081342, now seen corresponding path program 1 times [2022-07-12 13:03:25,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:25,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151088310] [2022-07-12 13:03:25,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:03:25,757 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:25,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:25,758 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) [2022-07-12 13:03:25,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-12 13:03:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:03:26,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:03:26,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-07-12 13:03:26,648 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:26,648 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:26,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1151088310] [2022-07-12 13:03:26,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1151088310] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:26,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:26,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:03:26,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155064829] [2022-07-12 13:03:26,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:26,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:03:26,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:26,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:03:26,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:03:26,649 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) [2022-07-12 13:03:28,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:28,504 INFO L93 Difference]: Finished difference Result 13970 states and 19029 transitions. [2022-07-12 13:03:28,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:03:28,505 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 [2022-07-12 13:03:28,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:28,526 INFO L225 Difference]: With dead ends: 13970 [2022-07-12 13:03:28,526 INFO L226 Difference]: Without dead ends: 7763 [2022-07-12 13:03:28,539 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 [2022-07-12 13:03:28,540 INFO L413 NwaCegarLoop]: 1051 mSDtfsCounter, 425 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 13:03:28,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 1614 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 13:03:28,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7763 states. [2022-07-12 13:03:28,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7763 to 7760. [2022-07-12 13:03:28,733 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) [2022-07-12 13:03:28,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7760 states to 7760 states and 10399 transitions. [2022-07-12 13:03:28,752 INFO L78 Accepts]: Start accepts. Automaton has 7760 states and 10399 transitions. Word has length 166 [2022-07-12 13:03:28,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:28,752 INFO L495 AbstractCegarLoop]: Abstraction has 7760 states and 10399 transitions. [2022-07-12 13:03:28,752 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) [2022-07-12 13:03:28,752 INFO L276 IsEmpty]: Start isEmpty. Operand 7760 states and 10399 transitions. [2022-07-12 13:03:28,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-12 13:03:28,763 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:28,763 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] [2022-07-12 13:03:28,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:28,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:28,985 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:28,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:28,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1614388792, now seen corresponding path program 1 times [2022-07-12 13:03:28,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:28,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840703577] [2022-07-12 13:03:28,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:03:28,987 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:28,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:28,988 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) [2022-07-12 13:03:28,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-12 13:03:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:03:29,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 13:03:29,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-07-12 13:03:29,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:29,869 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:29,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840703577] [2022-07-12 13:03:29,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840703577] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:29,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:29,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 13:03:29,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666951493] [2022-07-12 13:03:29,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:29,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 13:03:29,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:29,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 13:03:29,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 13:03:29,871 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) [2022-07-12 13:03:31,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:31,134 INFO L93 Difference]: Finished difference Result 20971 states and 27964 transitions. [2022-07-12 13:03:31,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 13:03:31,134 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 [2022-07-12 13:03:31,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:31,169 INFO L225 Difference]: With dead ends: 20971 [2022-07-12 13:03:31,170 INFO L226 Difference]: Without dead ends: 13242 [2022-07-12 13:03:31,185 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 [2022-07-12 13:03:31,185 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 [2022-07-12 13:03:31,186 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] [2022-07-12 13:03:31,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13242 states. [2022-07-12 13:03:31,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13242 to 7772. [2022-07-12 13:03:31,446 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) [2022-07-12 13:03:31,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7772 states to 7772 states and 10411 transitions. [2022-07-12 13:03:31,461 INFO L78 Accepts]: Start accepts. Automaton has 7772 states and 10411 transitions. Word has length 211 [2022-07-12 13:03:31,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:31,462 INFO L495 AbstractCegarLoop]: Abstraction has 7772 states and 10411 transitions. [2022-07-12 13:03:31,462 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) [2022-07-12 13:03:31,462 INFO L276 IsEmpty]: Start isEmpty. Operand 7772 states and 10411 transitions. [2022-07-12 13:03:31,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-12 13:03:31,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:31,473 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] [2022-07-12 13:03:31,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:31,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:31,697 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:31,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:31,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1919102867, now seen corresponding path program 1 times [2022-07-12 13:03:31,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:31,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1995441126] [2022-07-12 13:03:31,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:03:31,698 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:31,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:31,699 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) [2022-07-12 13:03:31,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-12 13:03:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:03:32,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 1524 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-12 13:03:32,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-07-12 13:03:34,594 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:34,594 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:34,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1995441126] [2022-07-12 13:03:34,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1995441126] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:34,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:34,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 13:03:34,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115610777] [2022-07-12 13:03:34,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:34,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 13:03:34,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:34,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 13:03:34,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-12 13:03:34,595 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) [2022-07-12 13:03:36,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:36,108 INFO L93 Difference]: Finished difference Result 17748 states and 23892 transitions. [2022-07-12 13:03:36,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 13:03:36,109 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 [2022-07-12 13:03:36,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:36,137 INFO L225 Difference]: With dead ends: 17748 [2022-07-12 13:03:36,138 INFO L226 Difference]: Without dead ends: 10007 [2022-07-12 13:03:36,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-12 13:03:36,157 INFO L413 NwaCegarLoop]: 1047 mSDtfsCounter, 221 mSDsluCounter, 8094 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 9141 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 13:03:36,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 9141 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 13:03:36,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10007 states. [2022-07-12 13:03:36,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10007 to 7838. [2022-07-12 13:03:36,518 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) [2022-07-12 13:03:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7838 states to 7838 states and 10513 transitions. [2022-07-12 13:03:36,536 INFO L78 Accepts]: Start accepts. Automaton has 7838 states and 10513 transitions. Word has length 266 [2022-07-12 13:03:36,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:36,537 INFO L495 AbstractCegarLoop]: Abstraction has 7838 states and 10513 transitions. [2022-07-12 13:03:36,537 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) [2022-07-12 13:03:36,537 INFO L276 IsEmpty]: Start isEmpty. Operand 7838 states and 10513 transitions. [2022-07-12 13:03:36,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-12 13:03:36,548 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:36,548 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] [2022-07-12 13:03:36,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:36,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:36,774 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:36,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:36,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1097628773, now seen corresponding path program 2 times [2022-07-12 13:03:36,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:36,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1295054849] [2022-07-12 13:03:36,776 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 13:03:36,776 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:36,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:36,777 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) [2022-07-12 13:03:36,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-12 13:03:37,983 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-12 13:03:37,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 13:03:38,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 1541 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 13:03:38,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:38,124 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2022-07-12 13:03:38,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:38,124 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:38,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1295054849] [2022-07-12 13:03:38,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1295054849] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:38,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:38,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 13:03:38,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375751544] [2022-07-12 13:03:38,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:38,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 13:03:38,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:38,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 13:03:38,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 13:03:38,126 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) [2022-07-12 13:03:38,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:38,347 INFO L93 Difference]: Finished difference Result 15651 states and 21002 transitions. [2022-07-12 13:03:38,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 13:03:38,348 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 [2022-07-12 13:03:38,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:38,365 INFO L225 Difference]: With dead ends: 15651 [2022-07-12 13:03:38,366 INFO L226 Difference]: Without dead ends: 7844 [2022-07-12 13:03:38,378 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 [2022-07-12 13:03:38,379 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 [2022-07-12 13:03:38,379 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] [2022-07-12 13:03:38,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7844 states. [2022-07-12 13:03:38,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7844 to 7844. [2022-07-12 13:03:38,593 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) [2022-07-12 13:03:38,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7844 states to 7844 states and 10519 transitions. [2022-07-12 13:03:38,606 INFO L78 Accepts]: Start accepts. Automaton has 7844 states and 10519 transitions. Word has length 272 [2022-07-12 13:03:38,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:38,606 INFO L495 AbstractCegarLoop]: Abstraction has 7844 states and 10519 transitions. [2022-07-12 13:03:38,606 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) [2022-07-12 13:03:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 7844 states and 10519 transitions. [2022-07-12 13:03:38,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-12 13:03:38,617 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:38,617 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] [2022-07-12 13:03:38,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:38,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:38,842 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:38,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:38,842 INFO L85 PathProgramCache]: Analyzing trace with hash -2126988071, now seen corresponding path program 1 times [2022-07-12 13:03:38,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:38,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1638845362] [2022-07-12 13:03:38,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:03:38,844 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:38,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:38,845 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) [2022-07-12 13:03:38,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-12 13:03:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 13:03:39,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 1543 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 13:03:39,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 13:03:39,917 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2022-07-12 13:03:39,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 13:03:39,918 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 13:03:39,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1638845362] [2022-07-12 13:03:39,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1638845362] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 13:03:39,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 13:03:39,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 13:03:39,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313136871] [2022-07-12 13:03:39,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 13:03:39,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 13:03:39,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 13:03:39,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 13:03:39,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 13:03:39,919 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) [2022-07-12 13:03:40,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 13:03:40,377 INFO L93 Difference]: Finished difference Result 15681 states and 21044 transitions. [2022-07-12 13:03:40,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 13:03:40,378 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 [2022-07-12 13:03:40,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 13:03:40,391 INFO L225 Difference]: With dead ends: 15681 [2022-07-12 13:03:40,392 INFO L226 Difference]: Without dead ends: 7868 [2022-07-12 13:03:40,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 13:03:40,401 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 [2022-07-12 13:03:40,401 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] [2022-07-12 13:03:40,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7868 states. [2022-07-12 13:03:40,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7868 to 7862. [2022-07-12 13:03:40,604 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) [2022-07-12 13:03:40,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7862 states to 7862 states and 10537 transitions. [2022-07-12 13:03:40,619 INFO L78 Accepts]: Start accepts. Automaton has 7862 states and 10537 transitions. Word has length 272 [2022-07-12 13:03:40,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 13:03:40,620 INFO L495 AbstractCegarLoop]: Abstraction has 7862 states and 10537 transitions. [2022-07-12 13:03:40,620 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) [2022-07-12 13:03:40,620 INFO L276 IsEmpty]: Start isEmpty. Operand 7862 states and 10537 transitions. [2022-07-12 13:03:40,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-07-12 13:03:40,631 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 13:03:40,631 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] [2022-07-12 13:03:40,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-07-12 13:03:40,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 13:03:40,838 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 13:03:40,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 13:03:40,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1251587165, now seen corresponding path program 1 times [2022-07-12 13:03:40,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 13:03:40,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1945927910] [2022-07-12 13:03:40,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 13:03:40,840 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 13:03:40,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 13:03:40,841 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) [2022-07-12 13:03:40,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process