./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB/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_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:52:52,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:52:52,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:52:52,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:52:52,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:52:52,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:52:52,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:52:52,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:52:52,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:52:52,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:52:52,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:52:52,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:52:52,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:52:52,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:52:52,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:52:52,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:52:52,602 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:52:52,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:52:52,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:52:52,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:52:52,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:52:52,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:52:52,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:52:52,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:52:52,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:52:52,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:52:52,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:52:52,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:52:52,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:52:52,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:52:52,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:52:52,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:52:52,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:52:52,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:52:52,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:52:52,641 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:52:52,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:52:52,642 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:52:52,642 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:52:52,643 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:52:52,644 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:52:52,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-10-17 16:52:52,692 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:52:52,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:52:52,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:52:52,694 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:52:52,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:52:52,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:52:52,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:52:52,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:52:52,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:52:52,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:52:52,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:52:52,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:52:52,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:52:52,697 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:52:52,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:52:52,698 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:52:52,698 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:52:52,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:52:52,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:52,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:52:52,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:52:52,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:52:52,699 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:52:52,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:52:52,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:52:52,700 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_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0954289a294fb2be404f98afcefa652a2fbf60d586d07e7d68c419183f4ff07 [2022-10-17 16:52:52,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:52:53,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:52:53,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:52:53,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:52:53,008 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:52:53,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2022-10-17 16:52:53,089 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB/data/daf35732a/ff5d77e2477c4b18bc199777fbc2d932/FLAGf6cb3f7f5 [2022-10-17 16:52:53,835 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:52:53,835 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i [2022-10-17 16:52:53,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB/data/daf35732a/ff5d77e2477c4b18bc199777fbc2d932/FLAGf6cb3f7f5 [2022-10-17 16:52:54,062 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB/data/daf35732a/ff5d77e2477c4b18bc199777fbc2d932 [2022-10-17 16:52:54,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:52:54,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:52:54,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:54,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:52:54,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:52:54,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59f2b8dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:54, skipping insertion in model container [2022-10-17 16:52:54,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:54" (1/1) ... [2022-10-17 16:52:54,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:52:54,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:52:54,718 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2022-10-17 16:52:54,719 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3509-3510] [2022-10-17 16:52:54,719 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3511-3513] [2022-10-17 16:52:54,720 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3514-3515] [2022-10-17 16:52:54,720 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2022-10-17 16:52:54,724 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3522-3523] [2022-10-17 16:52:54,724 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2022-10-17 16:52:54,725 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2022-10-17 16:52:54,745 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2022-10-17 16:52:54,746 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2022-10-17 16:52:54,746 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2022-10-17 16:52:54,747 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2022-10-17 16:52:54,748 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2022-10-17 16:52:54,748 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2022-10-17 16:52:55,104 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_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i[130795,130808] [2022-10-17 16:52:55,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:55,543 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:52:55,709 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name writepages at C: (*writepages)(struct address_space___0 * , struct writeback_control * ) [3507] [2022-10-17 16:52:55,710 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name readpages at C: (*readpages)(struct file___0 *filp , struct address_space___0 *mapping , struct list_head *pages , unsigned int nr_pages ) [3509-3510] [2022-10-17 16:52:55,710 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name write_begin at C: (*write_begin)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int flags , struct page **pagep , void **fsdata ) [3511-3513] [2022-10-17 16:52:55,710 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name write_end at C: (*write_end)(struct file___0 * , struct address_space___0 *mapping , loff_t pos , unsigned int len , unsigned int copied , struct page *page , void *fsdata ) [3514-3515] [2022-10-17 16:52:55,711 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name bmap at C: (*bmap)(struct address_space___0 * , sector_t ) [3516] [2022-10-17 16:52:55,712 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name get_xip_mem at C: (*get_xip_mem)(struct address_space___0 * , unsigned long , int , void ** , unsigned long * ) [3522-3523] [2022-10-17 16:52:55,712 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name migratepage at C: (*migratepage)(struct address_space___0 * , struct page * , struct page * ) [3524] [2022-10-17 16:52:55,712 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name error_remove_page at C: (*error_remove_page)(struct address_space___0 * , struct page * ) [3527] [2022-10-17 16:52:55,722 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name carrier_raised at C: (*carrier_raised)(struct tty_port___0 *port ) [3940] [2022-10-17 16:52:55,723 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name dtr_rts at C: (*dtr_rts)(struct tty_port___0 *port , int raise ) [3941] [2022-10-17 16:52:55,723 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name shutdown at C: (*shutdown)(struct tty_port___0 *port ) [3942] [2022-10-17 16:52:55,724 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name drop at C: (*drop)(struct tty_port___0 *port ) [3943] [2022-10-17 16:52:55,725 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name activate at C: (*activate)(struct tty_port___0 *port , struct tty_struct___0 *tty ) [3944] [2022-10-17 16:52:55,725 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name destruct at C: (*destruct)(struct tty_port___0 *port ) [3945] [2022-10-17 16:52:55,761 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_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/sv-benchmarks/c/ldv-validator-v0.6/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point.cil.out.i[130795,130808] [2022-10-17 16:52:56,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:56,075 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:52:56,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56 WrapperNode [2022-10-17 16:52:56,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:56,079 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:56,079 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:52:56,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:52:56,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,351 INFO L138 Inliner]: procedures = 124, calls = 768, calls flagged for inlining = 62, calls inlined = 62, statements flattened = 2125 [2022-10-17 16:52:56,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:56,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:52:56,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:52:56,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:52:56,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,557 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:52:56,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:52:56,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:52:56,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:52:56,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:56" (1/1) ... [2022-10-17 16:52:56,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:56,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:52:56,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:52:56,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce0fd7f-fce8-41ce-842a-2f9e23c6b973/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:52:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 16:52:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-10-17 16:52:56,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-10-17 16:52:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 16:52:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 16:52:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 16:52:56,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 16:52:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:52:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-10-17 16:52:56,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-10-17 16:52:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 16:52:56,709 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 16:52:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-10-17 16:52:56,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-10-17 16:52:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 16:52:56,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 16:52:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-10-17 16:52:56,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-10-17 16:52:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 16:52:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 16:52:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-10-17 16:52:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-10-17 16:52:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:52:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 16:52:56,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 16:52:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2022-10-17 16:52:56,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2022-10-17 16:52:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:52:56,712 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:52:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2022-10-17 16:52:56,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2022-10-17 16:52:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:52:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-10-17 16:52:56,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-10-17 16:52:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc_notrace [2022-10-17 16:52:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:52:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2022-10-17 16:52:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2022-10-17 16:52:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2022-10-17 16:52:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2022-10-17 16:52:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:52:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:52:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2022-10-17 16:52:56,715 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2022-10-17 16:52:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-10-17 16:52:56,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-10-17 16:52:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-10-17 16:52:56,716 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-10-17 16:52:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-10-17 16:52:56,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-10-17 16:52:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2022-10-17 16:52:56,716 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2022-10-17 16:52:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:52:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:52:56,717 INFO L130 BoogieDeclarations]: Found specification of procedure trace_kmalloc [2022-10-17 16:52:56,717 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_kmalloc [2022-10-17 16:52:56,717 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2022-10-17 16:52:56,717 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2022-10-17 16:52:56,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2022-10-17 16:52:56,717 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2022-10-17 16:52:56,718 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 16:52:56,718 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 16:52:56,718 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 16:52:56,718 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 16:52:56,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:52:56,718 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2022-10-17 16:52:56,719 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2022-10-17 16:52:56,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 16:52:56,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-17 16:52:56,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-17 16:52:56,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:52:56,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:52:57,194 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:52:57,197 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:52:57,968 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 16:53:04,995 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-10-17 16:53:06,355 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:53:07,251 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:53:07,251 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:53:07,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:07 BoogieIcfgContainer [2022-10-17 16:53:07,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:53:07,258 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:53:07,258 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:53:07,269 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:53:07,269 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:07" (1/1) ... [2022-10-17 16:53:07,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:53:07,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:07,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 417 states and 606 transitions. [2022-10-17 16:53:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 606 transitions. [2022-10-17 16:53:07,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:53:07,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:07,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:53:08,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:08,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 419 states and 635 transitions. [2022-10-17 16:53:08,377 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 635 transitions. [2022-10-17 16:53:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:53:08,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:08,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:53:08,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:08,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 423 states and 669 transitions. [2022-10-17 16:53:08,872 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 669 transitions. [2022-10-17 16:53:08,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:53:08,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:08,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:53:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:09,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 426 states and 675 transitions. [2022-10-17 16:53:09,131 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 675 transitions. [2022-10-17 16:53:09,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:53:09,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:09,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:09,361 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:53:09,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:09,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 431 states and 709 transitions. [2022-10-17 16:53:09,677 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 709 transitions. [2022-10-17 16:53:09,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:53:09,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:09,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:09,951 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:53:10,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:10,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 430 states and 704 transitions. [2022-10-17 16:53:10,018 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 704 transitions. [2022-10-17 16:53:10,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:53:10,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:10,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:10,286 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:53:10,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:10,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 433 states and 709 transitions. [2022-10-17 16:53:10,330 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 709 transitions. [2022-10-17 16:53:10,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:53:10,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:10,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:10,522 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:53:10,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:10,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 434 states and 709 transitions. [2022-10-17 16:53:10,549 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 709 transitions. [2022-10-17 16:53:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:53:10,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:10,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:10,692 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:53:10,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:10,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 437 states and 714 transitions. [2022-10-17 16:53:10,721 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 714 transitions. [2022-10-17 16:53:10,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:53:10,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:10,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:10,936 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:53:10,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:10,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 436 states and 709 transitions. [2022-10-17 16:53:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 709 transitions. [2022-10-17 16:53:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:53:10,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:10,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:11,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:11,152 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:53:11,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 437 states and 709 transitions. [2022-10-17 16:53:11,179 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 709 transitions. [2022-10-17 16:53:11,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:53:11,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:11,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:11,370 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:53:11,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 439 states and 711 transitions. [2022-10-17 16:53:11,464 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 711 transitions. [2022-10-17 16:53:11,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:53:11,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:11,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:11,643 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:53:12,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 444 states and 746 transitions. [2022-10-17 16:53:12,096 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 746 transitions. [2022-10-17 16:53:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:53:12,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:12,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:12,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-10-17 16:53:12,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:12,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 445 states and 747 transitions. [2022-10-17 16:53:12,315 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 747 transitions. [2022-10-17 16:53:12,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:53:12,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:12,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:12,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:53:12,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:12,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 445 states and 742 transitions. [2022-10-17 16:53:12,596 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 742 transitions. [2022-10-17 16:53:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:53:12,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:12,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:12,737 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:53:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:12,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 448 states and 748 transitions. [2022-10-17 16:53:12,920 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 748 transitions. [2022-10-17 16:53:12,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:53:12,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:12,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:13,055 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:53:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:13,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 451 states and 775 transitions. [2022-10-17 16:53:13,329 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 775 transitions. [2022-10-17 16:53:13,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:53:13,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:13,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:13,471 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-10-17 16:53:13,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:13,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 452 states and 775 transitions. [2022-10-17 16:53:13,501 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 775 transitions. [2022-10-17 16:53:13,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:53:13,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:13,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:13,627 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:53:13,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:13,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 453 states and 775 transitions. [2022-10-17 16:53:13,675 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 775 transitions. [2022-10-17 16:53:13,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:53:13,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:13,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:13,802 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-10-17 16:53:13,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:13,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 454 states and 775 transitions. [2022-10-17 16:53:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 775 transitions. [2022-10-17 16:53:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-17 16:53:13,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:13,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:14,089 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-10-17 16:53:14,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:14,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 461 states and 805 transitions. [2022-10-17 16:53:14,393 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 805 transitions. [2022-10-17 16:53:14,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-17 16:53:14,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:14,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:14,632 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-10-17 16:53:14,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:14,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 463 states and 831 transitions. [2022-10-17 16:53:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 831 transitions. [2022-10-17 16:53:14,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-17 16:53:14,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:14,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-10-17 16:53:15,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:15,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 470 states and 864 transitions. [2022-10-17 16:53:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 864 transitions. [2022-10-17 16:53:15,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 16:53:15,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:15,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:15,738 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-10-17 16:53:15,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:15,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 476 states and 875 transitions. [2022-10-17 16:53:15,772 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 875 transitions. [2022-10-17 16:53:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-17 16:53:15,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:15,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:16,000 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-10-17 16:53:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:16,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 479 states and 882 transitions. [2022-10-17 16:53:16,232 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 882 transitions. [2022-10-17 16:53:16,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-17 16:53:16,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:16,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-10-17 16:53:16,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:16,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 480 states and 882 transitions. [2022-10-17 16:53:16,420 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 882 transitions. [2022-10-17 16:53:16,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-17 16:53:16,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:16,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2022-10-17 16:53:17,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 484 states and 891 transitions. [2022-10-17 16:53:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 891 transitions. [2022-10-17 16:53:17,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-17 16:53:17,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:17,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:20,168 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked.