./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d7c494-3a3f-414b-b78c-486d70418f41/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d7c494-3a3f-414b-b78c-486d70418f41/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d7c494-3a3f-414b-b78c-486d70418f41/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d7c494-3a3f-414b-b78c-486d70418f41/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d7c494-3a3f-414b-b78c-486d70418f41/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d7c494-3a3f-414b-b78c-486d70418f41/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0991342cd9e67cbadb964d86a1516812eb3aa45e84d4674c09b8e10a19f475c1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:13:07,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:13:07,446 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d7c494-3a3f-414b-b78c-486d70418f41/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:13:07,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:13:07,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:13:07,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:13:07,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:13:07,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:13:07,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:13:07,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:13:07,508 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:13:07,509 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:13:07,509 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:13:07,511 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:13:07,512 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:13:07,512 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:13:07,513 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:13:07,513 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:13:07,514 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:13:07,514 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:13:07,516 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:13:07,517 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:13:07,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:13:07,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:13:07,520 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:13:07,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:13:07,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:13:07,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:13:07,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:13:07,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:13:07,523 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:13:07,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:13:07,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:13:07,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:13:07,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:07,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:13:07,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:13:07,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:13:07,526 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:13:07,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:13:07,527 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:13:07,527 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:13:07,528 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:13:07,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:13:07,528 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_d0d7c494-3a3f-414b-b78c-486d70418f41/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d7c494-3a3f-414b-b78c-486d70418f41/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0991342cd9e67cbadb964d86a1516812eb3aa45e84d4674c09b8e10a19f475c1 [2023-11-23 21:13:07,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:13:07,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:13:07,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:13:07,874 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:13:07,874 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:13:07,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d7c494-3a3f-414b-b78c-486d70418f41/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2023-11-23 21:13:11,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:11,908 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:11,908 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d7c494-3a3f-414b-b78c-486d70418f41/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2023-11-23 21:13:11,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d7c494-3a3f-414b-b78c-486d70418f41/bin/utaipan-verify-mE87zJ7Ire/data/71b12b861/6d97f361468e4e8dadb9ea7094fa3de8/FLAG937f77ab7 [2023-11-23 21:13:11,989 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d7c494-3a3f-414b-b78c-486d70418f41/bin/utaipan-verify-mE87zJ7Ire/data/71b12b861/6d97f361468e4e8dadb9ea7094fa3de8 [2023-11-23 21:13:11,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:11,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:11,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:11,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:12,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:12,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:11" (1/1) ... [2023-11-23 21:13:12,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc1979c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:12, skipping insertion in model container [2023-11-23 21:13:12,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:11" (1/1) ... [2023-11-23 21:13:12,210 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:14,963 WARN L240 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_d0d7c494-3a3f-414b-b78c-486d70418f41/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i[339370,339383] [2023-11-23 21:13:15,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:15,173 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:15,262 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3721] [2023-11-23 21:13:15,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3728] [2023-11-23 21:13:15,267 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (825), "i" (12UL)); [3799-3800] [2023-11-23 21:13:15,268 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [3805-3807] [2023-11-23 21:13:15,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [3921] [2023-11-23 21:13:15,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [3928] [2023-11-23 21:13:15,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7398] [2023-11-23 21:13:15,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7401] [2023-11-23 21:13:15,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7446] [2023-11-23 21:13:15,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7467] [2023-11-23 21:13:15,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7493] [2023-11-23 21:13:15,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7582] [2023-11-23 21:13:15,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7787] [2023-11-23 21:13:15,645 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7883] [2023-11-23 21:13:15,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7914] [2023-11-23 21:13:15,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7966] [2023-11-23 21:13:15,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8065] [2023-11-23 21:13:15,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8138] [2023-11-23 21:13:15,667 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [8314] [2023-11-23 21:13:15,779 WARN L240 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_d0d7c494-3a3f-414b-b78c-486d70418f41/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i[339370,339383] [2023-11-23 21:13:15,797 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:15,989 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:13:15,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:15 WrapperNode [2023-11-23 21:13:15,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:15,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:15,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:13:15,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:13:16,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:15" (1/1) ... [2023-11-23 21:13:16,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:15" (1/1) ... [2023-11-23 21:13:16,590 INFO L138 Inliner]: procedures = 326, calls = 4607, calls flagged for inlining = 133, calls inlined = 123, statements flattened = 10169 [2023-11-23 21:13:16,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:16,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:13:16,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:13:16,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:13:16,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:15" (1/1) ... [2023-11-23 21:13:16,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:15" (1/1) ... [2023-11-23 21:13:16,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:15" (1/1) ... [2023-11-23 21:13:16,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:15" (1/1) ... [2023-11-23 21:13:17,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:15" (1/1) ... [2023-11-23 21:13:17,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:15" (1/1) ... [2023-11-23 21:13:17,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:15" (1/1) ... [2023-11-23 21:13:17,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:15" (1/1) ... [2023-11-23 21:13:17,367 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:13:17,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:13:17,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:13:17,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:13:17,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:15" (1/1) ... [2023-11-23 21:13:17,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:17,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d7c494-3a3f-414b-b78c-486d70418f41/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:17,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d7c494-3a3f-414b-b78c-486d70418f41/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:13:17,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d7c494-3a3f-414b-b78c-486d70418f41/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:13:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2023-11-23 21:13:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2023-11-23 21:13:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:13:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:13:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2023-11-23 21:13:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2023-11-23 21:13:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2023-11-23 21:13:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2023-11-23 21:13:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2023-11-23 21:13:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2023-11-23 21:13:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2023-11-23 21:13:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2023-11-23 21:13:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2023-11-23 21:13:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2023-11-23 21:13:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_suspend [2023-11-23 21:13:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_suspend [2023-11-23 21:13:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_alloc [2023-11-23 21:13:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_alloc [2023-11-23 21:13:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2023-11-23 21:13:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2023-11-23 21:13:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_probe [2023-11-23 21:13:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_probe [2023-11-23 21:13:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:13:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:13:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-23 21:13:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-23 21:13:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2023-11-23 21:13:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2023-11-23 21:13:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2023-11-23 21:13:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2023-11-23 21:13:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2023-11-23 21:13:17,471 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2023-11-23 21:13:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2023-11-23 21:13:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2023-11-23 21:13:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2023-11-23 21:13:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2023-11-23 21:13:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_pci_reset [2023-11-23 21:13:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_pci_reset [2023-11-23 21:13:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2023-11-23 21:13:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2023-11-23 21:13:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:13:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:13:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:13:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:13:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2023-11-23 21:13:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2023-11-23 21:13:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2023-11-23 21:13:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2023-11-23 21:13:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2023-11-23 21:13:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2023-11-23 21:13:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:13:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:13:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:13:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:13:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2023-11-23 21:13:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2023-11-23 21:13:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_resume [2023-11-23 21:13:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_resume [2023-11-23 21:13:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_suspend [2023-11-23 21:13:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_suspend [2023-11-23 21:13:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2023-11-23 21:13:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2023-11-23 21:13:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 21:13:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 21:13:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:13:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:13:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2023-11-23 21:13:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2023-11-23 21:13:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hcd_init [2023-11-23 21:13:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hcd_init [2023-11-23 21:13:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2023-11-23 21:13:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2023-11-23 21:13:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2023-11-23 21:13:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2023-11-23 21:13:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-23 21:13:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-23 21:13:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:13:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2023-11-23 21:13:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2023-11-23 21:13:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:13:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:13:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:13:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-11-23 21:13:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-11-23 21:13:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_pci_remove [2023-11-23 21:13:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_pci_remove [2023-11-23 21:13:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure check_ed [2023-11-23 21:13:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure check_ed [2023-11-23 21:13:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2023-11-23 21:13:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2023-11-23 21:13:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2023-11-23 21:13:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2023-11-23 21:13:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:13:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:13:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-11-23 21:13:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-11-23 21:13:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2023-11-23 21:13:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2023-11-23 21:13:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure broken_suspend [2023-11-23 21:13:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure broken_suspend [2023-11-23 21:13:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:13:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2023-11-23 21:13:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2023-11-23 21:13:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_platform_shutdown [2023-11-23 21:13:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_platform_shutdown [2023-11-23 21:13:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:13:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2023-11-23 21:13:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2023-11-23 21:13:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2023-11-23 21:13:17,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2023-11-23 21:13:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2023-11-23 21:13:17,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2023-11-23 21:13:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_remove [2023-11-23 21:13:17,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_remove [2023-11-23 21:13:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-23 21:13:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-23 21:13:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:13:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:13:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:13:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:13:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2023-11-23 21:13:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2023-11-23 21:13:17,488 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:13:17,488 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:13:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:13:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:13:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:13:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:13:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_resume [2023-11-23 21:13:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_resume [2023-11-23 21:13:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2023-11-23 21:13:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2023-11-23 21:13:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:13:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:13:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_hcd [2023-11-23 21:13:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_hcd [2023-11-23 21:13:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_start [2023-11-23 21:13:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_start [2023-11-23 21:13:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2023-11-23 21:13:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2023-11-23 21:13:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2023-11-23 21:13:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2023-11-23 21:13:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:13:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:13:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-23 21:13:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-23 21:13:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-23 21:13:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-23 21:13:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2023-11-23 21:13:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2023-11-23 21:13:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2023-11-23 21:13:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2023-11-23 21:13:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2023-11-23 21:13:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2023-11-23 21:13:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:13:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2023-11-23 21:13:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2023-11-23 21:13:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2023-11-23 21:13:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2023-11-23 21:13:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2023-11-23 21:13:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2023-11-23 21:13:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2023-11-23 21:13:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2023-11-23 21:13:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2023-11-23 21:13:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2023-11-23 21:13:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2023-11-23 21:13:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2023-11-23 21:13:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2023-11-23 21:13:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2023-11-23 21:13:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2023-11-23 21:13:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2023-11-23 21:13:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2023-11-23 21:13:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2023-11-23 21:13:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_pci_start [2023-11-23 21:13:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_pci_start [2023-11-23 21:13:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2023-11-23 21:13:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2023-11-23 21:13:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2023-11-23 21:13:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2023-11-23 21:13:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:13:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:13:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2023-11-23 21:13:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2023-11-23 21:13:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-23 21:13:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-23 21:13:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2023-11-23 21:13:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2023-11-23 21:13:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:13:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure takeback_td [2023-11-23 21:13:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure takeback_td [2023-11-23 21:13:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-23 21:13:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-23 21:13:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2023-11-23 21:13:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2023-11-23 21:13:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 21:13:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 21:13:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:13:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:13:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2023-11-23 21:13:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2023-11-23 21:13:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:13:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2023-11-23 21:13:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2023-11-23 21:13:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure dl_done_list [2023-11-23 21:13:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure dl_done_list [2023-11-23 21:13:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2023-11-23 21:13:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2023-11-23 21:13:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-23 21:13:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-23 21:13:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:13:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2023-11-23 21:13:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2023-11-23 21:13:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-11-23 21:13:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-11-23 21:13:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:13:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:13:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:13:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2023-11-23 21:13:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2023-11-23 21:13:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2023-11-23 21:13:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2023-11-23 21:13:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2023-11-23 21:13:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2023-11-23 21:13:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:13:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:13:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2023-11-23 21:13:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2023-11-23 21:13:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 21:13:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 21:13:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc16 [2023-11-23 21:13:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc16 [2023-11-23 21:13:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:13:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:13:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-23 21:13:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-23 21:13:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2023-11-23 21:13:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2023-11-23 21:13:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2023-11-23 21:13:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2023-11-23 21:13:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:13:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:13:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2023-11-23 21:13:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2023-11-23 21:13:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2023-11-23 21:13:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2023-11-23 21:13:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2023-11-23 21:13:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2023-11-23 21:13:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure finish_unlinks [2023-11-23 21:13:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_unlinks [2023-11-23 21:13:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2023-11-23 21:13:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2023-11-23 21:13:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure platform_set_drvdata [2023-11-23 21:13:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_set_drvdata [2023-11-23 21:13:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2023-11-23 21:13:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2023-11-23 21:13:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2023-11-23 21:13:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2023-11-23 21:13:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2023-11-23 21:13:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2023-11-23 21:13:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2023-11-23 21:13:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2023-11-23 21:13:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2023-11-23 21:13:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_debug_buffer [2023-11-23 21:13:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:13:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:13:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 21:13:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 21:13:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2023-11-23 21:13:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2023-11-23 21:13:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-23 21:13:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-23 21:13:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2023-11-23 21:13:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2023-11-23 21:13:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2023-11-23 21:13:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2023-11-23 21:13:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-23 21:13:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-23 21:13:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:13:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:13:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2023-11-23 21:13:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2023-11-23 21:13:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_platform_reset [2023-11-23 21:13:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_platform_reset [2023-11-23 21:13:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_pci_shutdown [2023-11-23 21:13:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_pci_shutdown [2023-11-23 21:13:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-23 21:13:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-23 21:13:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:13:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:13:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:13:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-11-23 21:13:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-11-23 21:13:18,832 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:13:18,838 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:13:32,044 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:13:41,018 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:13:41,018 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-23 21:13:41,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:41 BoogieIcfgContainer [2023-11-23 21:13:41,021 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:13:41,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:13:41,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:13:41,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:13:41,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:13:11" (1/3) ... [2023-11-23 21:13:41,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b406ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:41, skipping insertion in model container [2023-11-23 21:13:41,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:15" (2/3) ... [2023-11-23 21:13:41,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b406ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:13:41, skipping insertion in model container [2023-11-23 21:13:41,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:13:41" (3/3) ... [2023-11-23 21:13:41,032 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--usb--host--ohci-hcd.ko-main.cil.out.i [2023-11-23 21:13:41,054 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:13:41,054 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:13:41,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:13:41,170 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b65b765, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:13:41,171 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:13:41,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 2860 states, 1786 states have (on average 1.3516237402015678) internal successors, (2414), 1857 states have internal predecessors, (2414), 936 states have call successors, (936), 140 states have call predecessors, (936), 140 states have return successors, (936), 927 states have call predecessors, (936), 936 states have call successors, (936) [2023-11-23 21:13:41,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 21:13:41,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:41,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:13:41,201 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:41,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:41,207 INFO L85 PathProgramCache]: Analyzing trace with hash 679061610, now seen corresponding path program 1 times [2023-11-23 21:13:41,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:13:41,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882705138] [2023-11-23 21:13:41,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:41,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:13:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:42,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:13:42,318 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:13:42,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882705138] [2023-11-23 21:13:42,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882705138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:42,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:42,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:13:42,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975597292] [2023-11-23 21:13:42,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:42,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:13:42,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:13:42,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:13:42,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:13:42,395 INFO L87 Difference]: Start difference. First operand has 2860 states, 1786 states have (on average 1.3516237402015678) internal successors, (2414), 1857 states have internal predecessors, (2414), 936 states have call successors, (936), 140 states have call predecessors, (936), 140 states have return successors, (936), 927 states have call predecessors, (936), 936 states have call successors, (936) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:13:48,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:13:48,245 INFO L93 Difference]: Finished difference Result 8535 states and 12947 transitions. [2023-11-23 21:13:48,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:13:48,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-23 21:13:48,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:13:48,345 INFO L225 Difference]: With dead ends: 8535 [2023-11-23 21:13:48,345 INFO L226 Difference]: Without dead ends: 5670 [2023-11-23 21:13:48,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:13:48,386 INFO L413 NwaCegarLoop]: 4731 mSDtfsCounter, 4220 mSDsluCounter, 3807 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4220 SdHoareTripleChecker+Valid, 8538 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:13:48,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4220 Valid, 8538 Invalid, 975 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-23 21:13:48,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5670 states. [2023-11-23 21:13:48,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5670 to 5654. [2023-11-23 21:13:48,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5654 states, 3521 states have (on average 1.3490485657483668) internal successors, (4750), 3656 states have internal predecessors, (4750), 1854 states have call successors, (1854), 279 states have call predecessors, (1854), 278 states have return successors, (1848), 1828 states have call predecessors, (1848), 1848 states have call successors, (1848) [2023-11-23 21:13:49,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5654 states to 5654 states and 8452 transitions. [2023-11-23 21:13:49,041 INFO L78 Accepts]: Start accepts. Automaton has 5654 states and 8452 transitions. Word has length 12 [2023-11-23 21:13:49,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:13:49,042 INFO L495 AbstractCegarLoop]: Abstraction has 5654 states and 8452 transitions. [2023-11-23 21:13:49,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:13:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 5654 states and 8452 transitions. [2023-11-23 21:13:49,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 21:13:49,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:13:49,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:13:49,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:13:49,055 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:13:49,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:13:49,056 INFO L85 PathProgramCache]: Analyzing trace with hash -987028858, now seen corresponding path program 1 times [2023-11-23 21:13:49,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:13:49,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353029805] [2023-11-23 21:13:49,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:13:49,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:13:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:13:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:13:49,648 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:13:49,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353029805] [2023-11-23 21:13:49,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353029805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:13:49,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:13:49,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:13:49,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925316591] [2023-11-23 21:13:49,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:13:49,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:13:49,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:13:49,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:13:49,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:13:49,658 INFO L87 Difference]: Start difference. First operand 5654 states and 8452 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)