./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d0954289a294fb2be404f98afcefa652a2fbf60d586d07e7d68c419183f4ff07 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:45,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:45,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:45,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:45,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:45,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:45,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:45,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:45,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:45,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:45,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:45,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:45,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:45,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:45,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:45,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:45,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:45,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:45,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:45,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:45,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:45,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:45,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:45,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:45,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:45,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:45,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:45,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:45,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:45,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:45,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:45,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:45,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:45,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:45,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:45,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:45,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:45,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:45,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:45,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:45,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:45,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:52:45,546 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:45,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:45,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:45,547 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:45,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:45,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:45,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:45,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:52:45,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:45,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:45,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:45,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:45,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:45,550 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:45,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:45,550 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:45,550 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:45,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:45,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:45,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:45,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:45,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:45,552 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:52:45,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:52:45,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:45,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0954289a294fb2be404f98afcefa652a2fbf60d586d07e7d68c419183f4ff07 [2021-11-23 15:52:45,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:45,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:45,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:45,829 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:45,830 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:45,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2021-11-23 15:52:45,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/data/716bc932f/3420962524204ad994fce84ec3a1e516/FLAG738328788 [2021-11-23 15:52:46,694 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:46,695 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2021-11-23 15:52:46,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/data/716bc932f/3420962524204ad994fce84ec3a1e516/FLAG738328788 [2021-11-23 15:52:47,201 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/data/716bc932f/3420962524204ad994fce84ec3a1e516 [2021-11-23 15:52:47,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:47,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:47,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:47,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:47,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:47,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:47" (1/1) ... [2021-11-23 15:52:47,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@104513cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:47, skipping insertion in model container [2021-11-23 15:52:47,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:47" (1/1) ... [2021-11-23 15:52:47,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:47,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:47,736 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2021-11-23 15:52:47,737 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3509-3510] [2021-11-23 15:52:47,737 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3511-3513] [2021-11-23 15:52:47,737 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3514-3515] [2021-11-23 15:52:47,738 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2021-11-23 15:52:47,738 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3522-3523] [2021-11-23 15:52:47,739 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2021-11-23 15:52:47,739 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2021-11-23 15:52:47,762 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2021-11-23 15:52:47,763 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2021-11-23 15:52:47,763 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2021-11-23 15:52:47,764 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2021-11-23 15:52:47,764 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2021-11-23 15:52:47,764 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2021-11-23 15:52:48,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i[130795,130808] [2021-11-23 15:52:48,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:48,553 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:48,661 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2021-11-23 15:52:48,662 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3509-3510] [2021-11-23 15:52:48,662 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3511-3513] [2021-11-23 15:52:48,663 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3514-3515] [2021-11-23 15:52:48,663 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2021-11-23 15:52:48,664 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3522-3523] [2021-11-23 15:52:48,664 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2021-11-23 15:52:48,664 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2021-11-23 15:52:48,674 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2021-11-23 15:52:48,674 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2021-11-23 15:52:48,674 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2021-11-23 15:52:48,675 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2021-11-23 15:52:48,675 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2021-11-23 15:52:48,676 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2021-11-23 15:52:48,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i[130795,130808] [2021-11-23 15:52:48,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:48,935 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:48,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48 WrapperNode [2021-11-23 15:52:48,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:48,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:48,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:48,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:48,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,121 INFO L137 Inliner]: procedures = 124, calls = 768, calls flagged for inlining = 62, calls inlined = 62, statements flattened = 2092 [2021-11-23 15:52:49,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:49,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:49,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:49,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:49,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:49,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:49,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:49,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:49,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:48" (1/1) ... [2021-11-23 15:52:49,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:49,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:49,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:49,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 15:52:49,457 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 15:52:49,457 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 15:52:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:52:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:52:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:52:49,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:52:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:52:49,458 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-23 15:52:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-23 15:52:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:52:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:52:49,459 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 15:52:49,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 15:52:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:52:49,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:52:49,460 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 15:52:49,460 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 15:52:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:52:49,461 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:52:49,461 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2021-11-23 15:52:49,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2021-11-23 15:52:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:52:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:52:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:52:49,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2021-11-23 15:52:49,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2021-11-23 15:52:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:52:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:52:49,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2021-11-23 15:52:49,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2021-11-23 15:52:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:52:49,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-11-23 15:52:49,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-11-23 15:52:49,465 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2021-11-23 15:52:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:49,466 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2021-11-23 15:52:49,466 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2021-11-23 15:52:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2021-11-23 15:52:49,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2021-11-23 15:52:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:52:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:52:49,467 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2021-11-23 15:52:49,468 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2021-11-23 15:52:49,468 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 15:52:49,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 15:52:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-11-23 15:52:49,469 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-11-23 15:52:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 15:52:49,469 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 15:52:49,469 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2021-11-23 15:52:49,470 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2021-11-23 15:52:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:52:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:52:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2021-11-23 15:52:49,470 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2021-11-23 15:52:49,470 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2021-11-23 15:52:49,471 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2021-11-23 15:52:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-11-23 15:52:49,471 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-11-23 15:52:49,471 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 15:52:49,471 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 15:52:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:52:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:52:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:52:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2021-11-23 15:52:49,472 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2021-11-23 15:52:49,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 15:52:49,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:52:49,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:52:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:49,971 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:49,973 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:50,385 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:52:50,389 INFO L158 Benchmark]: Toolchain (without parser) took 3183.28ms. Allocated memory was 88.1MB in the beginning and 144.7MB in the end (delta: 56.6MB). Free memory was 58.8MB in the beginning and 81.9MB in the end (delta: -23.1MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB. [2021-11-23 15:52:50,390 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:50,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1732.23ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 58.6MB in the beginning and 48.9MB in the end (delta: 9.6MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:50,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 182.67ms. Allocated memory is still 107.0MB. Free memory was 48.9MB in the beginning and 36.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:50,392 INFO L158 Benchmark]: Boogie Preprocessor took 246.78ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 36.9MB in the beginning and 84.9MB in the end (delta: -48.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:50,393 INFO L158 Benchmark]: RCFGBuilder took 1017.13ms. Allocated memory is still 144.7MB. Free memory was 84.9MB in the beginning and 82.3MB in the end (delta: 2.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:50,396 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1732.23ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 58.6MB in the beginning and 48.9MB in the end (delta: 9.6MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 182.67ms. Allocated memory is still 107.0MB. Free memory was 48.9MB in the beginning and 36.9MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 246.78ms. Allocated memory was 107.0MB in the beginning and 144.7MB in the end (delta: 37.7MB). Free memory was 36.9MB in the beginning and 84.9MB in the end (delta: -48.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1017.13ms. Allocated memory is still 144.7MB. Free memory was 84.9MB in the beginning and 82.3MB in the end (delta: 2.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:52:50,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d0954289a294fb2be404f98afcefa652a2fbf60d586d07e7d68c419183f4ff07 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:52,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:52,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:52,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:52,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:52,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:52,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:52,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:52,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:52,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:52,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:52,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:52,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:52,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:52,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:52,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:52,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:52,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:52,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:52,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:52,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:52,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:52,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:52,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:52,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:52,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:52,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:52,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:52,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:52,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:52,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:52,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:52,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:52,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:52,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:52,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:52,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:52,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:52,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:52,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:52,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:52,999 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:52:53,045 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:53,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:53,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:53,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:53,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:53,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:53,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:53,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:53,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:53,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:53,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:53,052 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:52:53,052 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:52:53,052 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:52:53,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:53,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:53,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:53,053 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:53,053 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:53,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:53,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:53,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:53,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:53,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:53,055 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:52:53,055 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:52:53,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:53,056 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:52:53,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:52:53,056 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0954289a294fb2be404f98afcefa652a2fbf60d586d07e7d68c419183f4ff07 [2021-11-23 15:52:53,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:53,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:53,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:53,430 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:53,432 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:53,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2021-11-23 15:52:53,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/data/7fe9ff633/8b00062385a74bfb89a47ae5c33f3fad/FLAG462cc03fa [2021-11-23 15:52:54,389 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:54,390 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2021-11-23 15:52:54,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/data/7fe9ff633/8b00062385a74bfb89a47ae5c33f3fad/FLAG462cc03fa [2021-11-23 15:52:54,862 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/data/7fe9ff633/8b00062385a74bfb89a47ae5c33f3fad [2021-11-23 15:52:54,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:54,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:54,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:54,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:54,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:54,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:54" (1/1) ... [2021-11-23 15:52:54,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5299601e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:54, skipping insertion in model container [2021-11-23 15:52:54,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:54" (1/1) ... [2021-11-23 15:52:54,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:55,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:55,538 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2021-11-23 15:52:55,540 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3509-3510] [2021-11-23 15:52:55,540 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3511-3513] [2021-11-23 15:52:55,541 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3514-3515] [2021-11-23 15:52:55,542 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2021-11-23 15:52:55,543 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3522-3523] [2021-11-23 15:52:55,544 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2021-11-23 15:52:55,545 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2021-11-23 15:52:55,566 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2021-11-23 15:52:55,567 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2021-11-23 15:52:55,567 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2021-11-23 15:52:55,568 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2021-11-23 15:52:55,568 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2021-11-23 15:52:55,569 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2021-11-23 15:52:55,891 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i[130795,130808] [2021-11-23 15:52:56,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:56,423 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:52:56,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:56,548 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2021-11-23 15:52:56,549 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3509-3510] [2021-11-23 15:52:56,549 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3511-3513] [2021-11-23 15:52:56,549 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3514-3515] [2021-11-23 15:52:56,550 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2021-11-23 15:52:56,550 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3522-3523] [2021-11-23 15:52:56,550 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2021-11-23 15:52:56,554 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2021-11-23 15:52:56,562 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2021-11-23 15:52:56,562 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2021-11-23 15:52:56,563 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2021-11-23 15:52:56,563 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2021-11-23 15:52:56,563 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2021-11-23 15:52:56,564 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2021-11-23 15:52:56,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i[130795,130808] [2021-11-23 15:52:56,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:56,791 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:56,899 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2021-11-23 15:52:56,900 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3509-3510] [2021-11-23 15:52:56,901 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3511-3513] [2021-11-23 15:52:56,901 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3514-3515] [2021-11-23 15:52:56,902 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2021-11-23 15:52:56,902 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3522-3523] [2021-11-23 15:52:56,902 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2021-11-23 15:52:56,903 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2021-11-23 15:52:56,912 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2021-11-23 15:52:56,913 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2021-11-23 15:52:56,914 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2021-11-23 15:52:56,914 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2021-11-23 15:52:56,915 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2021-11-23 15:52:56,915 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2021-11-23 15:52:56,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i[130795,130808] [2021-11-23 15:52:57,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:57,180 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:57,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:57 WrapperNode [2021-11-23 15:52:57,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:57,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:57,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:57,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:57,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:57" (1/1) ... [2021-11-23 15:52:57,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:57" (1/1) ... [2021-11-23 15:52:57,330 INFO L137 Inliner]: procedures = 139, calls = 768, calls flagged for inlining = 62, calls inlined = 62, statements flattened = 2028 [2021-11-23 15:52:57,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:57,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:57,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:57,337 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:57,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:57" (1/1) ... [2021-11-23 15:52:57,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:57" (1/1) ... [2021-11-23 15:52:57,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:57" (1/1) ... [2021-11-23 15:52:57,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:57" (1/1) ... [2021-11-23 15:52:57,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:57" (1/1) ... [2021-11-23 15:52:57,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:57" (1/1) ... [2021-11-23 15:52:57,494 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:57" (1/1) ... [2021-11-23 15:52:57,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:57,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:57,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:57,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:57,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:57" (1/1) ... [2021-11-23 15:52:57,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:57,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:57,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:57,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:52:57,594 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 15:52:57,594 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 15:52:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:52:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 15:52:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:52:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 15:52:57,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 15:52:57,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 15:52:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-23 15:52:57,596 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-23 15:52:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 15:52:57,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 15:52:57,596 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 15:52:57,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 15:52:57,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:52:57,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:52:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 15:52:57,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 15:52:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:52:57,649 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:52:57,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2021-11-23 15:52:57,649 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2021-11-23 15:52:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 15:52:57,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 15:52:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 15:52:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 15:52:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 15:52:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 15:52:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2021-11-23 15:52:57,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2021-11-23 15:52:57,650 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:52:57,650 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:52:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2021-11-23 15:52:57,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2021-11-23 15:52:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:52:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2021-11-23 15:52:57,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2021-11-23 15:52:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2021-11-23 15:52:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2021-11-23 15:52:57,651 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2021-11-23 15:52:57,651 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2021-11-23 15:52:57,652 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2021-11-23 15:52:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:52:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 15:52:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 15:52:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 15:52:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:52:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2021-11-23 15:52:57,652 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2021-11-23 15:52:57,652 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 15:52:57,653 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 15:52:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2021-11-23 15:52:57,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2021-11-23 15:52:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 15:52:57,653 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 15:52:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:52:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2021-11-23 15:52:57,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2021-11-23 15:52:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:52:57,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:52:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:52:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:52:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2021-11-23 15:52:57,654 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2021-11-23 15:52:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:52:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:52:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:52:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:52:57,654 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2021-11-23 15:52:57,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2021-11-23 15:52:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-11-23 15:52:57,655 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-11-23 15:52:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 15:52:57,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 15:52:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:52:57,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:52:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 15:52:57,655 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2021-11-23 15:52:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2021-11-23 15:52:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 15:52:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 15:52:57,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:57,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:58,186 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:58,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:58,421 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:52:58,425 INFO L158 Benchmark]: Toolchain (without parser) took 3556.82ms. Allocated memory was 62.9MB in the beginning and 123.7MB in the end (delta: 60.8MB). Free memory was 37.1MB in the beginning and 46.6MB in the end (delta: -9.5MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:58,425 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 57.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:58,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2310.88ms. Allocated memory was 62.9MB in the beginning and 123.7MB in the end (delta: 60.8MB). Free memory was 36.9MB in the beginning and 75.6MB in the end (delta: -38.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2021-11-23 15:52:58,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.94ms. Allocated memory is still 123.7MB. Free memory was 75.6MB in the beginning and 63.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:58,427 INFO L158 Benchmark]: Boogie Preprocessor took 177.07ms. Allocated memory is still 123.7MB. Free memory was 63.6MB in the beginning and 49.7MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:58,428 INFO L158 Benchmark]: RCFGBuilder took 908.14ms. Allocated memory is still 123.7MB. Free memory was 49.7MB in the beginning and 46.6MB in the end (delta: 3.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-11-23 15:52:58,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 57.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2310.88ms. Allocated memory was 62.9MB in the beginning and 123.7MB in the end (delta: 60.8MB). Free memory was 36.9MB in the beginning and 75.6MB in the end (delta: -38.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.94ms. Allocated memory is still 123.7MB. Free memory was 75.6MB in the beginning and 63.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 177.07ms. Allocated memory is still 123.7MB. Free memory was 63.6MB in the beginning and 49.7MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 908.14ms. Allocated memory is still 123.7MB. Free memory was 49.7MB in the beginning and 46.6MB in the end (delta: 3.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:52:58,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9816f60d-6996-4ae9-b151-65b2712ebffb/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable