./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_false-unreach-call.cil.out.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_false-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 57bdf48c2736b99864bb5f5529dba1286fc659f2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_false-unreach-call.cil.out.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 57bdf48c2736b99864bb5f5529dba1286fc659f2 ................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE8 --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:23:36,478 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:23:36,479 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:23:36,486 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:23:36,486 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:23:36,487 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:23:36,487 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:23:36,489 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:23:36,490 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:23:36,490 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:23:36,491 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:23:36,491 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:23:36,492 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:23:36,492 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:23:36,493 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:23:36,494 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:23:36,494 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:23:36,496 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:23:36,497 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:23:36,498 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:23:36,499 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:23:36,499 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:23:36,501 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:23:36,501 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:23:36,501 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:23:36,502 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:23:36,503 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:23:36,503 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:23:36,504 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:23:36,505 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:23:36,505 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:23:36,505 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:23:36,506 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:23:36,506 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:23:36,506 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:23:36,507 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:23:36,507 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-23 03:23:36,517 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:23:36,517 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:23:36,518 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:23:36,518 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:23:36,518 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:23:36,518 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:23:36,518 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:23:36,518 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:23:36,518 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:23:36,518 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:23:36,518 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-23 03:23:36,518 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:23:36,518 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:23:36,518 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:23:36,519 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:23:36,519 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:23:36,519 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:23:36,519 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:23:36,519 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:23:36,519 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:23:36,520 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:23:36,520 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:23:36,520 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:23:36,520 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:23:36,520 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:23:36,520 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:23:36,520 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:23:36,521 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:23:36,521 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:23:36,521 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:23:36,521 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:23:36,521 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:23:36,521 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:23:36,521 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:23:36,521 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:23:36,521 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-23 03:23:36,521 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 57bdf48c2736b99864bb5f5529dba1286fc659f2 [2018-11-23 03:23:36,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:23:36,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:23:36,555 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:23:36,556 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:23:36,556 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:23:36,557 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 03:23:36,592 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/data/32ffd1631/f3fb05b23d1448c69a98828cc1990d83/FLAGa91011cb2 [2018-11-23 03:23:37,143 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:23:37,144 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 03:23:37,165 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/data/32ffd1631/f3fb05b23d1448c69a98828cc1990d83/FLAGa91011cb2 [2018-11-23 03:23:37,575 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/data/32ffd1631/f3fb05b23d1448c69a98828cc1990d83 [2018-11-23 03:23:37,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:23:37,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:23:37,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:23:37,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:23:37,581 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:23:37,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:23:37" (1/1) ... [2018-11-23 03:23:37,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@278f3c18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:37, skipping insertion in model container [2018-11-23 03:23:37,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:23:37" (1/1) ... [2018-11-23 03:23:37,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:23:37,656 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:23:37,910 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3500] [2018-11-23 03:23:37,910 WARN L1125 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 ) [3502-3503] [2018-11-23 03:23:37,910 WARN L1125 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 ) [3504-3506] [2018-11-23 03:23:37,911 WARN L1125 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 ) [3507-3508] [2018-11-23 03:23:37,911 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3509] [2018-11-23 03:23:37,911 WARN L1125 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 * ) [3515-3516] [2018-11-23 03:23:37,912 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3517] [2018-11-23 03:23:37,912 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3520] [2018-11-23 03:23:37,923 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3935] [2018-11-23 03:23:37,923 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3936] [2018-11-23 03:23:37,923 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3937] [2018-11-23 03:23:37,924 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3938] [2018-11-23 03:23:37,924 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3939] [2018-11-23 03:23:37,924 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3940] [2018-11-23 03:23:38,468 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:23:38,482 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:23:38,548 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3500] [2018-11-23 03:23:38,548 WARN L1125 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 ) [3502-3503] [2018-11-23 03:23:38,549 WARN L1125 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 ) [3504-3506] [2018-11-23 03:23:38,549 WARN L1125 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 ) [3507-3508] [2018-11-23 03:23:38,549 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3509] [2018-11-23 03:23:38,549 WARN L1125 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 * ) [3515-3516] [2018-11-23 03:23:38,550 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3517] [2018-11-23 03:23:38,550 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3520] [2018-11-23 03:23:38,558 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3935] [2018-11-23 03:23:38,558 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3936] [2018-11-23 03:23:38,559 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3937] [2018-11-23 03:23:38,559 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3938] [2018-11-23 03:23:38,559 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3939] [2018-11-23 03:23:38,559 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3940] [2018-11-23 03:23:38,659 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:23:38,708 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:23:38,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:38 WrapperNode [2018-11-23 03:23:38,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:23:38,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:23:38,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:23:38,709 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:23:38,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:38" (1/1) ... [2018-11-23 03:23:38,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:38" (1/1) ... [2018-11-23 03:23:38,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:23:38,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:23:38,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:23:38,753 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:23:38,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:38" (1/1) ... [2018-11-23 03:23:38,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:38" (1/1) ... [2018-11-23 03:23:38,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:38" (1/1) ... [2018-11-23 03:23:38,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:38" (1/1) ... [2018-11-23 03:23:38,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:38" (1/1) ... [2018-11-23 03:23:38,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:38" (1/1) ... [2018-11-23 03:23:38,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:38" (1/1) ... [2018-11-23 03:23:38,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:23:38,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:23:38,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:23:38,838 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:23:38,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:23:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2018-11-23 03:23:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2018-11-23 03:23:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure get_order [2018-11-23 03:23:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure get_order [2018-11-23 03:23:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_index [2018-11-23 03:23:38,887 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_index [2018-11-23 03:23:38,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-23 03:23:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_release [2018-11-23 03:23:38,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_release [2018-11-23 03:23:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2018-11-23 03:23:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-11-23 03:23:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2018-11-23 03:23:38,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_fixed_flag_4 [2018-11-23 03:23:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_open [2018-11-23 03:23:38,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_open [2018-11-23 03:23:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:23:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2018-11-23 03:23:38,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2018-11-23 03:23:38,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2018-11-23 03:23:38,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2018-11-23 03:23:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2018-11-23 03:23:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 03:23:38,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2018-11-23 03:23:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2018-11-23 03:23:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2018-11-23 03:23:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2018-11-23 03:23:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2018-11-23 03:23:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2018-11-23 03:23:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2018-11-23 03:23:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2018-11-23 03:23:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-11-23 03:23:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-11-23 03:23:38,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_flip_buffer_push_7 [2018-11-23 03:23:38,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_flip_buffer_push_7 [2018-11-23 03:23:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2018-11-23 03:23:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2018-11-23 03:23:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2018-11-23 03:23:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-11-23 03:23:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-11-23 03:23:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure __get_free_pages [2018-11-23 03:23:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-11-23 03:23:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-11-23 03:23:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2018-11-23 03:23:38,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2018-11-23 03:23:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2018-11-23 03:23:38,891 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2018-11-23 03:23:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2018-11-23 03:23:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2018-11-23 03:23:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure kmemleak_alloc [2018-11-23 03:23:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemleak_alloc [2018-11-23 03:23:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-11-23 03:23:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2018-11-23 03:23:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2018-11-23 03:23:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 03:23:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2018-11-23 03:23:38,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2018-11-23 03:23:38,892 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2018-11-23 03:23:38,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2018-11-23 03:23:38,893 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2018-11-23 03:23:38,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2018-11-23 03:23:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2018-11-23 03:23:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2018-11-23 03:23:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2018-11-23 03:23:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2018-11-23 03:23:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2018-11-23 03:23:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_10 [2018-11-23 03:23:38,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_10 [2018-11-23 03:23:38,894 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_slab [2018-11-23 03:23:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_slab [2018-11-23 03:23:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_got_tty [2018-11-23 03:23:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_got_tty [2018-11-23 03:23:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2018-11-23 03:23:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_tty_get_6 [2018-11-23 03:23:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_tty_get_6 [2018-11-23 03:23:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_encode_baud_rate_9 [2018-11-23 03:23:38,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_encode_baud_rate_9 [2018-11-23 03:23:38,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2018-11-23 03:23:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:23:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:23:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2018-11-23 03:23:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2018-11-23 03:23:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2018-11-23 03:23:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2018-11-23 03:23:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2018-11-23 03:23:38,896 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2018-11-23 03:23:38,896 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2018-11-23 03:23:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2018-11-23 03:23:38,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2018-11-23 03:23:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_close [2018-11-23 03:23:38,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_close [2018-11-23 03:23:38,897 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2018-11-23 03:23:38,898 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2018-11-23 03:23:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2018-11-23 03:23:38,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2018-11-23 03:23:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:23:38,898 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:23:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2018-11-23 03:23:38,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2018-11-23 03:23:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 03:23:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2018-11-23 03:23:38,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2018-11-23 03:23:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_startup [2018-11-23 03:23:38,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_startup [2018-11-23 03:23:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2018-11-23 03:23:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_5 [2018-11-23 03:23:38,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_5 [2018-11-23 03:23:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 03:23:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2018-11-23 03:23:38,899 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2018-11-23 03:23:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2018-11-23 03:23:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2018-11-23 03:23:38,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2018-11-23 03:23:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2018-11-23 03:23:38,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~int~X~~gfp_t~0~TO~VOID [2018-11-23 03:23:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2018-11-23 03:23:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2018-11-23 03:23:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2018-11-23 03:23:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2018-11-23 03:23:38,900 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2018-11-23 03:23:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2018-11-23 03:23:38,901 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2018-11-23 03:23:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write [2018-11-23 03:23:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write [2018-11-23 03:23:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2018-11-23 03:23:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 03:23:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2018-11-23 03:23:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2018-11-23 03:23:38,902 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_exit [2018-11-23 03:23:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_exit [2018-11-23 03:23:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2018-11-23 03:23:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2018-11-23 03:23:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_read_int_callback [2018-11-23 03:23:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_read_int_callback [2018-11-23 03:23:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2018-11-23 03:23:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2018-11-23 03:23:38,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_get_baud_rate_8 [2018-11-23 03:23:38,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_get_baud_rate_8 [2018-11-23 03:23:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2018-11-23 03:23:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-11-23 03:23:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-11-23 03:23:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-11-23 03:23:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-11-23 03:23:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init [2018-11-23 03:23:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init [2018-11-23 03:23:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_3 [2018-11-23 03:23:38,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_3 [2018-11-23 03:23:38,904 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_large [2018-11-23 03:23:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_large [2018-11-23 03:23:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2018-11-23 03:23:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2018-11-23 03:23:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 03:23:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2018-11-23 03:23:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2018-11-23 03:23:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2018-11-23 03:23:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2018-11-23 03:23:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2018-11-23 03:23:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2018-11-23 03:23:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2018-11-23 03:23:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:23:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:23:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2018-11-23 03:23:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2018-11-23 03:23:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2018-11-23 03:23:42,058 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:23:42,058 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 03:23:42,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:23:42 BoogieIcfgContainer [2018-11-23 03:23:42,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:23:42,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:23:42,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:23:42,061 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:23:42,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:23:37" (1/3) ... [2018-11-23 03:23:42,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6287b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:23:42, skipping insertion in model container [2018-11-23 03:23:42,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:38" (2/3) ... [2018-11-23 03:23:42,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6287b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:23:42, skipping insertion in model container [2018-11-23 03:23:42,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:23:42" (3/3) ... [2018-11-23 03:23:42,064 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 03:23:42,071 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:23:42,076 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:23:42,086 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:23:42,111 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:23:42,111 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:23:42,111 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:23:42,111 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:23:42,111 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:23:42,111 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:23:42,112 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:23:42,112 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:23:42,132 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states. [2018-11-23 03:23:42,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 03:23:42,143 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:23:42,144 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:23:42,145 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:23:42,148 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:23:42,149 INFO L82 PathProgramCache]: Analyzing trace with hash 341816890, now seen corresponding path program 1 times [2018-11-23 03:23:42,150 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:23:42,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:23:42,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:23:42,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:23:42,192 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:23:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:23:42,496 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 03:23:42,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:23:42,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:23:42,498 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:23:42,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:23:42,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:23:42,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:23:42,511 INFO L87 Difference]: Start difference. First operand 685 states. Second operand 3 states. [2018-11-23 03:23:42,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:23:42,817 INFO L93 Difference]: Finished difference Result 1331 states and 1885 transitions. [2018-11-23 03:23:42,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:23:42,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-11-23 03:23:42,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:23:42,834 INFO L225 Difference]: With dead ends: 1331 [2018-11-23 03:23:42,835 INFO L226 Difference]: Without dead ends: 634 [2018-11-23 03:23:42,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:23:42,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2018-11-23 03:23:42,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2018-11-23 03:23:42,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2018-11-23 03:23:42,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 875 transitions. [2018-11-23 03:23:42,916 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 875 transitions. Word has length 69 [2018-11-23 03:23:42,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:23:42,917 INFO L480 AbstractCegarLoop]: Abstraction has 634 states and 875 transitions. [2018-11-23 03:23:42,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:23:42,917 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 875 transitions. [2018-11-23 03:23:42,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 03:23:42,921 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:23:42,921 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2018-11-23 03:23:42,922 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:23:42,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:23:42,922 INFO L82 PathProgramCache]: Analyzing trace with hash 796729248, now seen corresponding path program 1 times [2018-11-23 03:23:42,922 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:23:42,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:23:42,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:23:42,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:23:42,926 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:23:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:23:43,097 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-23 03:23:43,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:23:43,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:23:43,097 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:23:43,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:23:43,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:23:43,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:23:43,102 INFO L87 Difference]: Start difference. First operand 634 states and 875 transitions. Second operand 3 states. [2018-11-23 03:23:43,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:23:43,573 INFO L93 Difference]: Finished difference Result 1494 states and 2080 transitions. [2018-11-23 03:23:43,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:23:43,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-11-23 03:23:43,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:23:43,579 INFO L225 Difference]: With dead ends: 1494 [2018-11-23 03:23:43,579 INFO L226 Difference]: Without dead ends: 885 [2018-11-23 03:23:43,583 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:23:43,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2018-11-23 03:23:43,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 882. [2018-11-23 03:23:43,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2018-11-23 03:23:43,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1198 transitions. [2018-11-23 03:23:43,617 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1198 transitions. Word has length 115 [2018-11-23 03:23:43,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:23:43,618 INFO L480 AbstractCegarLoop]: Abstraction has 882 states and 1198 transitions. [2018-11-23 03:23:43,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:23:43,618 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1198 transitions. [2018-11-23 03:23:43,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-23 03:23:43,621 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:23:43,621 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2018-11-23 03:23:43,621 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:23:43,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:23:43,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1914287966, now seen corresponding path program 1 times [2018-11-23 03:23:43,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:23:43,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:23:43,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:23:43,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:23:43,625 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:23:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:23:43,799 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-23 03:23:43,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:23:43,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:23:43,800 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:23:43,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:23:43,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:23:43,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:23:43,801 INFO L87 Difference]: Start difference. First operand 882 states and 1198 transitions. Second operand 3 states. [2018-11-23 03:23:45,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:23:45,861 INFO L93 Difference]: Finished difference Result 1741 states and 2375 transitions. [2018-11-23 03:23:45,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:23:45,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2018-11-23 03:23:45,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:23:45,867 INFO L225 Difference]: With dead ends: 1741 [2018-11-23 03:23:45,867 INFO L226 Difference]: Without dead ends: 884 [2018-11-23 03:23:45,869 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:23:45,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2018-11-23 03:23:45,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 884. [2018-11-23 03:23:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2018-11-23 03:23:45,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1200 transitions. [2018-11-23 03:23:45,898 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1200 transitions. Word has length 114 [2018-11-23 03:23:45,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:23:45,899 INFO L480 AbstractCegarLoop]: Abstraction has 884 states and 1200 transitions. [2018-11-23 03:23:45,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:23:45,899 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1200 transitions. [2018-11-23 03:23:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-23 03:23:45,900 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:23:45,900 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 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] [2018-11-23 03:23:45,900 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:23:45,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:23:45,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1234229596, now seen corresponding path program 1 times [2018-11-23 03:23:45,902 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:23:45,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:23:45,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:23:45,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:23:45,905 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:23:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:23:46,403 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-23 03:23:46,404 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:23:46,404 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:23:46,405 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 115 with the following transitions: [2018-11-23 03:23:46,406 INFO L202 CegarAbsIntRunner]: [263], [265], [268], [273], [326], [327], [328], [352], [357], [383], [384], [581], [583], [585], [587], [589], [591], [593], [596], [599], [612], [631], [644], [657], [694], [713], [750], [753], [760], [764], [953], [956], [959], [971], [974], [977], [979], [984], [987], [1071], [1072], [1073], [1075], [1077], [1079], [1081], [1082], [1452], [1488], [1491], [1503], [1504], [1516], [1518], [1523], [1528], [1576], [1579], [1583], [1607], [1608], [1623], [1647], [1648], [1649], [1650], [1651], [1652], [1653], [1654], [1655], [1656], [1685], [1721], [1722], [1723], [1724], [1731], [1732], [1733], [1734], [1735], [1736], [1737], [1738], [1791], [1813], [1814], [1815], [1823], [1824], [1825] [2018-11-23 03:23:46,436 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:23:46,437 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:23:47,724 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:23:47,726 INFO L272 AbstractInterpreter]: Visited 49 different actions 58 times. Never merged. Never widened. Performed 5882 root evaluator evaluations with a maximum evaluation depth of 4. Performed 5882 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Never found a fixpoint. Largest state had 566 variables. [2018-11-23 03:23:47,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:23:47,741 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:23:48,904 INFO L227 lantSequenceWeakener]: Weakened 13 states. On average, predicates are now at 99.65% of their original sizes. [2018-11-23 03:23:48,905 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:23:54,603 INFO L415 sIntCurrentIteration]: We unified 113 AI predicates to 113 [2018-11-23 03:23:54,603 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:23:54,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:23:54,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [37] imperfect sequences [13] total 48 [2018-11-23 03:23:54,604 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:23:54,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-11-23 03:23:54,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-11-23 03:23:54,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1136, Unknown=0, NotChecked=0, Total=1332 [2018-11-23 03:23:54,605 INFO L87 Difference]: Start difference. First operand 884 states and 1200 transitions. Second operand 37 states. [2018-11-23 03:24:02,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:24:02,799 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translateStore(MappedTerm2Expression.java:291) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.AssumptionBuilder.constructBoogieAssumeStatement(AssumptionBuilder.java:75) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.getCachedCodeBlock(TermConjunctEvaluator.java:273) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.applyPost(TermConjunctEvaluator.java:296) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.lambda$4(TermConjunctEvaluator.java:178) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.util.TermConjunctEvaluator.computePost(TermConjunctEvaluator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.applyPost(PoormanCachedPostOperation.java:308) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:119) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:536) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalTransitionWithValidState(AbsIntHoareTripleChecker.java:352) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternalAbsInt(AbsIntHoareTripleChecker.java:249) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.AbsIntHoareTripleChecker.checkInternal(AbsIntHoareTripleChecker.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:699) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:628) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 03:24:02,802 INFO L168 Benchmark]: Toolchain (without parser) took 25224.03 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -248.9 MB). Peak memory consumption was 922.9 MB. Max. memory is 11.5 GB. [2018-11-23 03:24:02,803 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:24:02,803 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1129.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -101.7 MB). Peak memory consumption was 92.9 MB. Max. memory is 11.5 GB. [2018-11-23 03:24:02,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:24:02,804 INFO L168 Benchmark]: Boogie Preprocessor took 85.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 03:24:02,805 INFO L168 Benchmark]: RCFGBuilder took 3221.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -79.2 MB). Peak memory consumption was 160.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:24:02,809 INFO L168 Benchmark]: TraceAbstraction took 20741.70 ms. Allocated memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: 948.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.7 MB). Peak memory consumption was 861.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:24:02,812 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1129.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -101.7 MB). Peak memory consumption was 92.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3221.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -79.2 MB). Peak memory consumption was 160.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20741.70 ms. Allocated memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: 948.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.7 MB). Peak memory consumption was 861.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.MappedTerm2Expression.translate(MappedTerm2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 03:24:04,281 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:24:04,282 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:24:04,290 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:24:04,290 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:24:04,291 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:24:04,292 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:24:04,293 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:24:04,294 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:24:04,294 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:24:04,295 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:24:04,295 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:24:04,296 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:24:04,297 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:24:04,298 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:24:04,298 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:24:04,299 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:24:04,300 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:24:04,302 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:24:04,303 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:24:04,304 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:24:04,304 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:24:04,306 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:24:04,307 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:24:04,307 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:24:04,308 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:24:04,308 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:24:04,309 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:24:04,309 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:24:04,310 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:24:04,310 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:24:04,311 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:24:04,311 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:24:04,311 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:24:04,312 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:24:04,313 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:24:04,313 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2018-11-23 03:24:04,325 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:24:04,325 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:24:04,326 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:24:04,326 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:24:04,326 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:24:04,326 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:24:04,327 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:24:04,327 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:24:04,327 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:24:04,327 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:24:04,327 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:24:04,328 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:24:04,328 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:24:04,328 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:24:04,328 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:24:04,328 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 03:24:04,328 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 03:24:04,328 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:24:04,328 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:24:04,329 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:24:04,330 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:24:04,330 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:24:04,330 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:24:04,330 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:24:04,330 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:24:04,331 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:24:04,331 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:24:04,331 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:24:04,331 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 03:24:04,331 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:24:04,331 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 03:24:04,331 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 03:24:04,331 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan 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 -> 57bdf48c2736b99864bb5f5529dba1286fc659f2 [2018-11-23 03:24:04,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:24:04,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:24:04,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:24:04,371 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:24:04,371 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:24:04,372 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 03:24:04,410 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/data/da2c5e737/5105ee069bce440ea5429afc4b88bb0d/FLAG2598485a4 [2018-11-23 03:24:04,968 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:24:04,968 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_false-unreach-call.cil.out.c [2018-11-23 03:24:04,986 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/data/da2c5e737/5105ee069bce440ea5429afc4b88bb0d/FLAG2598485a4 [2018-11-23 03:24:05,387 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ea3540a-c27e-46be-bdaa-149ad7cb1795/bin-2019/utaipan/data/da2c5e737/5105ee069bce440ea5429afc4b88bb0d [2018-11-23 03:24:05,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:24:05,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:24:05,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:24:05,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:24:05,395 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:24:05,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:24:05" (1/1) ... [2018-11-23 03:24:05,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@656f66d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:05, skipping insertion in model container [2018-11-23 03:24:05,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:24:05" (1/1) ... [2018-11-23 03:24:05,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:24:05,482 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:24:05,771 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3500] [2018-11-23 03:24:05,771 WARN L1125 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 ) [3502-3503] [2018-11-23 03:24:05,772 WARN L1125 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 ) [3504-3506] [2018-11-23 03:24:05,772 WARN L1125 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 ) [3507-3508] [2018-11-23 03:24:05,773 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3509] [2018-11-23 03:24:05,773 WARN L1125 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 * ) [3515-3516] [2018-11-23 03:24:05,774 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3517] [2018-11-23 03:24:05,774 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3520] [2018-11-23 03:24:05,785 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3935] [2018-11-23 03:24:05,786 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3936] [2018-11-23 03:24:05,786 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3937] [2018-11-23 03:24:05,786 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3938] [2018-11-23 03:24:05,787 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3939] [2018-11-23 03:24:05,787 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3940] [2018-11-23 03:24:06,435 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:24:06,453 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:24:06,511 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3500] [2018-11-23 03:24:06,511 WARN L1125 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 ) [3502-3503] [2018-11-23 03:24:06,512 WARN L1125 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 ) [3504-3506] [2018-11-23 03:24:06,512 WARN L1125 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 ) [3507-3508] [2018-11-23 03:24:06,512 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3509] [2018-11-23 03:24:06,512 WARN L1125 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 * ) [3515-3516] [2018-11-23 03:24:06,513 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3517] [2018-11-23 03:24:06,513 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3520] [2018-11-23 03:24:06,519 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3935] [2018-11-23 03:24:06,520 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3936] [2018-11-23 03:24:06,520 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3937] [2018-11-23 03:24:06,520 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3938] [2018-11-23 03:24:06,520 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3939] [2018-11-23 03:24:06,520 WARN L1125 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3940] [2018-11-23 03:24:06,631 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:24:06,646 ERROR L311 MainTranslator]: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE8: CACSL2BoogieTranslator: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE8: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.ProcedureManager.computeFinalProcedureDeclarations(ProcedureManager.java:193) [2018-11-23 03:24:06,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@635797a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:06, skipping insertion in model container [2018-11-23 03:24:06,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:24:06,647 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2018-11-23 03:24:06,648 INFO L168 Benchmark]: Toolchain (without parser) took 1256.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 940.1 MB in the beginning and 1.1 GB in the end (delta: -118.4 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:24:06,649 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:24:06,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1254.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 940.1 MB in the beginning and 1.1 GB in the end (delta: -118.4 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:24:06,651 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1254.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 940.1 MB in the beginning and 1.1 GB in the end (delta: -118.4 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE8 CACSL2BoogieTranslator: UndeclaredFunctionException: a function that is called in the program is not declared in the program: write~unchecked~intINTTYPE8: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.ProcedureManager.computeFinalProcedureDeclarations(ProcedureManager.java:193) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...