./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50b3684-f6c4-4d5d-90d9-32762d47c19e/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50b3684-f6c4-4d5d-90d9-32762d47c19e/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50b3684-f6c4-4d5d-90d9-32762d47c19e/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50b3684-f6c4-4d5d-90d9-32762d47c19e/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50b3684-f6c4-4d5d-90d9-32762d47c19e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50b3684-f6c4-4d5d-90d9-32762d47c19e/bin/utaipan-verify-NcY6lQBIFX --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 b01f589d408f6e26ea7a63733affb8614d3f46d7c24e67c8e520356eb639cf0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:10:06,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:10:06,854 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50b3684-f6c4-4d5d-90d9-32762d47c19e/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:10:06,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:10:06,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:10:06,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:10:06,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:10:06,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:10:06,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:10:06,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:10:06,889 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:10:06,890 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:10:06,891 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:10:06,891 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:10:06,892 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:10:06,892 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:10:06,893 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:10:06,894 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:10:06,894 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:10:06,895 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:10:06,896 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:10:06,897 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:10:06,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:10:06,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:10:06,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:10:06,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:10:06,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:10:06,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:10:06,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:10:06,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:10:06,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:10:06,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:10:06,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:10:06,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:06,903 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:10:06,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:10:06,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:10:06,904 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:10:06,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:10:06,905 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:10:06,905 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:10:06,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:10:06,906 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_d50b3684-f6c4-4d5d-90d9-32762d47c19e/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50b3684-f6c4-4d5d-90d9-32762d47c19e/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b01f589d408f6e26ea7a63733affb8614d3f46d7c24e67c8e520356eb639cf0d [2023-11-12 00:10:07,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:10:07,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:10:07,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:10:07,281 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:10:07,281 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:10:07,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50b3684-f6c4-4d5d-90d9-32762d47c19e/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2023-11-12 00:10:10,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:10:11,328 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:10:11,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50b3684-f6c4-4d5d-90d9-32762d47c19e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2023-11-12 00:10:11,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50b3684-f6c4-4d5d-90d9-32762d47c19e/bin/utaipan-verify-NcY6lQBIFX/data/6986e2047/4ea4a61d481145a8a6f4c343bb751612/FLAG098e77af4 [2023-11-12 00:10:11,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50b3684-f6c4-4d5d-90d9-32762d47c19e/bin/utaipan-verify-NcY6lQBIFX/data/6986e2047/4ea4a61d481145a8a6f4c343bb751612 [2023-11-12 00:10:11,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:10:11,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:10:11,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:11,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:10:11,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:10:11,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:11" (1/1) ... [2023-11-12 00:10:11,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aaabe2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:11, skipping insertion in model container [2023-11-12 00:10:11,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:11" (1/1) ... [2023-11-12 00:10:11,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:10:15,270 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_d50b3684-f6c4-4d5d-90d9-32762d47c19e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[472306,472319] [2023-11-12 00:10:15,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:15,360 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:10:15,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [9396] [2023-11-12 00:10:15,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [9403] [2023-11-12 00:10:15,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [9575] [2023-11-12 00:10:15,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9578] [2023-11-12 00:10:15,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9581] [2023-11-12 00:10:15,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9584] [2023-11-12 00:10:15,597 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; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [9638-9639] [2023-11-12 00:10:15,597 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; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [9658-9659] [2023-11-12 00:10:15,598 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; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [9663-9664] [2023-11-12 00:10:15,598 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; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [9668-9669] [2023-11-12 00:10:15,599 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; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [9673-9674] [2023-11-12 00:10:15,606 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 *)"include/linux/scatterlist.h"), "i" (123), "i" (12UL)); [9949-9950] [2023-11-12 00:10:15,607 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 *)"include/linux/scatterlist.h"), "i" (124), "i" (12UL)); [9957-9958] [2023-11-12 00:10:15,611 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [10034-10035] [2023-11-12 00:10:15,613 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [10063-10064] [2023-11-12 00:10:15,615 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (56), "i" (12UL)); [10111-10112] [2023-11-12 00:10:15,616 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (58), "i" (12UL)); [10120-10121] [2023-11-12 00:10:15,617 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (70), "i" (12UL)); [10144-10145] [2023-11-12 00:10:15,618 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [10174-10175] [2023-11-12 00:10:15,619 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 *)"include/asm-generic/dma-mapping-common.h"), "i" (120), "i" (12UL)); [10204-10205] [2023-11-12 00:10:15,807 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 *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/753/dscv_tempdir/dscv/ri/43_2a/drivers/infiniband/ulp/isert/ib_isert.c"), "i" (808), "i" (12UL)); [11532-11533] [2023-11-12 00:10:16,255 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_d50b3684-f6c4-4d5d-90d9-32762d47c19e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[472306,472319] [2023-11-12 00:10:16,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:16,415 WARN L672 CHandler]: The function ldv_calloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:16,416 WARN L672 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:16,416 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:16,416 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:16,425 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:10:16,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:16 WrapperNode [2023-11-12 00:10:16,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:16,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:16,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:10:16,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:10:16,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:16" (1/1) ... [2023-11-12 00:10:16,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:16" (1/1) ... [2023-11-12 00:10:16,837 INFO L138 Inliner]: procedures = 390, calls = 2850, calls flagged for inlining = 203, calls inlined = 169, statements flattened = 7282 [2023-11-12 00:10:16,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:16,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:10:16,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:10:16,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:10:16,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:16" (1/1) ... [2023-11-12 00:10:16,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:16" (1/1) ... [2023-11-12 00:10:16,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:16" (1/1) ... [2023-11-12 00:10:16,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:16" (1/1) ... [2023-11-12 00:10:17,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:16" (1/1) ... [2023-11-12 00:10:17,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:16" (1/1) ... [2023-11-12 00:10:17,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:16" (1/1) ... [2023-11-12 00:10:17,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:16" (1/1) ... [2023-11-12 00:10:17,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:10:17,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:10:17,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:10:17,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:10:17,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:16" (1/1) ... [2023-11-12 00:10:17,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:17,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50b3684-f6c4-4d5d-90d9-32762d47c19e/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:17,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50b3684-f6c4-4d5d-90d9-32762d47c19e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:10:17,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d50b3684-f6c4-4d5d-90d9-32762d47c19e/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:10:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure ib_wc_status_msg [2023-11-12 00:10:17,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_wc_status_msg [2023-11-12 00:10:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:10:17,366 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:10:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure isert_setup_id [2023-11-12 00:10:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_setup_id [2023-11-12 00:10:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 00:10:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 00:10:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:10:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:10:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-12 00:10:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-12 00:10:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-11-12 00:10:17,368 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-11-12 00:10:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_stop_dataout_timer [2023-11-12 00:10:17,369 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_stop_dataout_timer [2023-11-12 00:10:17,369 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_destroy_id [2023-11-12 00:10:17,369 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_destroy_id [2023-11-12 00:10:17,369 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:10:17,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-12 00:10:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure isert_cq_work [2023-11-12 00:10:17,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_cq_work [2023-11-12 00:10:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 00:10:17,370 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 00:10:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_recv [2023-11-12 00:10:17,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_recv [2023-11-12 00:10:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_device [2023-11-12 00:10:17,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_device [2023-11-12 00:10:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:10:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_single [2023-11-12 00:10:17,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_single [2023-11-12 00:10:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_send_wr [2023-11-12 00:10:17,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_send_wr [2023-11-12 00:10:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:10:17,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:10:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 00:10:17,372 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 00:10:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:10:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_address [2023-11-12 00:10:17,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_address [2023-11-12 00:10:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait_conn [2023-11-12 00:10:17,373 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait_conn [2023-11-12 00:10:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2023-11-12 00:10:17,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2023-11-12 00:10:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 00:10:17,374 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 00:10:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-12 00:10:17,374 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-12 00:10:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_map_single [2023-11-12 00:10:17,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_map_single [2023-11-12 00:10:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_terminate [2023-11-12 00:10:17,375 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_terminate [2023-11-12 00:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 00:10:17,375 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 00:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:10:17,375 INFO L130 BoogieDeclarations]: Found specification of procedure isert_prot_cmd [2023-11-12 00:10:17,376 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_prot_cmd [2023-11-12 00:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 00:10:17,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 00:10:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2023-11-12 00:10:17,376 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2023-11-12 00:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:10:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure isert_release_work [2023-11-12 00:10:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_release_work [2023-11-12 00:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 00:10:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 00:10:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_np [2023-11-12 00:10:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_np [2023-11-12 00:10:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure isert_comp_put [2023-11-12 00:10:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_comp_put [2023-11-12 00:10:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 00:10:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 00:10:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-12 00:10:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-12 00:10:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-11-12 00:10:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-11-12 00:10:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_from_buffer [2023-11-12 00:10:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_from_buffer [2023-11-12 00:10:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 00:10:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 00:10:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:10:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-12 00:10:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-12 00:10:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:10:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-12 00:10:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-12 00:10:17,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:10:17,381 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 00:10:17,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:10:17,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 00:10:17,381 INFO L130 BoogieDeclarations]: Found specification of procedure isert_completion_put [2023-11-12 00:10:17,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_completion_put [2023-11-12 00:10:17,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 00:10:17,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 00:10:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_data_buf [2023-11-12 00:10:17,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_data_buf [2023-11-12 00:10:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure isert_inv_rkey [2023-11-12 00:10:17,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_inv_rkey [2023-11-12 00:10:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 00:10:17,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 00:10:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_cpu [2023-11-12 00:10:17,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_cpu [2023-11-12 00:10:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 00:10:17,383 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 00:10:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure isert_allocate_cmd [2023-11-12 00:10:17,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_allocate_cmd [2023-11-12 00:10:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure isert_do_control_comp [2023-11-12 00:10:17,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_do_control_comp [2023-11-12 00:10:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_conn [2023-11-12 00:10:17,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_conn [2023-11-12 00:10:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure isert_connect_release [2023-11-12 00:10:17,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_connect_release [2023-11-12 00:10:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_comps [2023-11-12 00:10:17,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_comps [2023-11-12 00:10:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:10:17,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:10:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-12 00:10:17,385 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-12 00:10:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:10:17,385 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:10:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-12 00:10:17,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-12 00:10:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-12 00:10:17,386 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-12 00:10:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:10:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:10:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure isert_device_put [2023-11-12 00:10:17,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_device_put [2023-11-12 00:10:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:10:17,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:10:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure isert_map_data_buf [2023-11-12 00:10:17,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_map_data_buf [2023-11-12 00:10:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 00:10:17,388 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 00:10:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_conn [2023-11-12 00:10:17,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_conn [2023-11-12 00:10:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2023-11-12 00:10:17,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2023-11-12 00:10:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_tx_hdrs [2023-11-12 00:10:17,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_tx_hdrs [2023-11-12 00:10:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-12 00:10:17,389 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-12 00:10:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-12 00:10:17,389 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-12 00:10:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_fast_reg_page_list [2023-11-12 00:10:17,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_fast_reg_page_list [2023-11-12 00:10:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-12 00:10:17,390 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-12 00:10:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 00:10:17,390 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 00:10:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure isert_aborted_task [2023-11-12 00:10:17,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_aborted_task [2023-11-12 00:10:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 00:10:17,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 00:10:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-12 00:10:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-12 00:10:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_response [2023-11-12 00:10:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_response [2023-11-12 00:10:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait4flush [2023-11-12 00:10:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait4flush [2023-11-12 00:10:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:10:17,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:10:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:10:17,392 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:10:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_login_buf [2023-11-12 00:10:17,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_login_buf [2023-11-12 00:10:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-12 00:10:17,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-12 00:10:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:10:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:10:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:10:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_priv_cmd [2023-11-12 00:10:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_priv_cmd [2023-11-12 00:10:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_nopin [2023-11-12 00:10:17,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_nopin [2023-11-12 00:10:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:10:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-12 00:10:17,394 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-12 00:10:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 00:10:17,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 00:10:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_rdma [2023-11-12 00:10:17,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_rdma [2023-11-12 00:10:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:10:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 00:10:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 00:10:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_recv [2023-11-12 00:10:17,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_recv [2023-11-12 00:10:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-12 00:10:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-12 00:10:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:10:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:10:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-12 00:10:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-12 00:10:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-12 00:10:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-12 00:10:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rdma_post_recvl [2023-11-12 00:10:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rdma_post_recvl [2023-11-12 00:10:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 00:10:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 00:10:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_free_fastreg_pool [2023-11-12 00:10:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_free_fastreg_pool [2023-11-12 00:10:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure transport_send_check_condition_and_sense [2023-11-12 00:10:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_send_check_condition_and_sense [2023-11-12 00:10:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 00:10:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 00:10:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_sig_mr [2023-11-12 00:10:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_sig_mr [2023-11-12 00:10:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2023-11-12 00:10:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2023-11-12 00:10:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_tx_desc [2023-11-12 00:10:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_tx_desc [2023-11-12 00:10:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 00:10:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 00:10:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-12 00:10:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-12 00:10:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2023-11-12 00:10:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2023-11-12 00:10:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure isert_handle_prot_cmd [2023-11-12 00:10:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_handle_prot_cmd [2023-11-12 00:10:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2023-11-12 00:10:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2023-11-12 00:10:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2023-11-12 00:10:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2023-11-12 00:10:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:10:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:10:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure isert_check_pi_status [2023-11-12 00:10:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_check_pi_status [2023-11-12 00:10:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-12 00:10:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-12 00:10:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:10:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure isert_create_send_desc [2023-11-12 00:10:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_create_send_desc [2023-11-12 00:10:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:10:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:10:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_len [2023-11-12 00:10:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_len [2023-11-12 00:10:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure isert_fast_reg_mr [2023-11-12 00:10:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_fast_reg_mr [2023-11-12 00:10:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 00:10:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 00:10:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-12 00:10:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-12 00:10:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_response [2023-11-12 00:10:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_response [2023-11-12 00:10:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_mr [2023-11-12 00:10:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_mr [2023-11-12 00:10:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 00:10:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 00:10:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rx_login_req [2023-11-12 00:10:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rx_login_req [2023-11-12 00:10:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-12 00:10:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-12 00:10:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_mapping_error [2023-11-12 00:10:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_mapping_error [2023-11-12 00:10:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:10:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 00:10:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 00:10:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure target_put_sess_cmd [2023-11-12 00:10:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure target_put_sess_cmd [2023-11-12 00:10:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure isert_set_dif_domain [2023-11-12 00:10:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_set_dif_domain [2023-11-12 00:10:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-12 00:10:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-12 00:10:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2023-11-12 00:10:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2023-11-12 00:10:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_page_list [2023-11-12 00:10:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_page_list [2023-11-12 00:10:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_build_rsp_pdu [2023-11-12 00:10:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_build_rsp_pdu [2023-11-12 00:10:18,741 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:10:18,745 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:10:19,003 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:10:27,810 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:10:30,277 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:10:30,277 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:10:30,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:30 BoogieIcfgContainer [2023-11-12 00:10:30,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:10:30,289 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:10:30,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:10:30,293 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:10:30,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:11" (1/3) ... [2023-11-12 00:10:30,296 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23acaf9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:30, skipping insertion in model container [2023-11-12 00:10:30,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:16" (2/3) ... [2023-11-12 00:10:30,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23acaf9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:30, skipping insertion in model container [2023-11-12 00:10:30,297 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:30" (3/3) ... [2023-11-12 00:10:30,299 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2023-11-12 00:10:30,323 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:10:30,324 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 00:10:30,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:10:30,454 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;@71ebf91b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:10:30,454 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 00:10:30,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 2184 states, 1347 states have (on average 1.3170007423904975) internal successors, (1774), 1400 states have internal predecessors, (1774), 709 states have call successors, (709), 127 states have call predecessors, (709), 126 states have return successors, (703), 692 states have call predecessors, (703), 703 states have call successors, (703) [2023-11-12 00:10:30,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-12 00:10:30,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:30,500 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:30,500 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:30,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:30,513 INFO L85 PathProgramCache]: Analyzing trace with hash -199910081, now seen corresponding path program 1 times [2023-11-12 00:10:30,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:10:30,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351374060] [2023-11-12 00:10:30,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:30,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:10:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:31,463 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-12 00:10:31,464 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:10:31,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351374060] [2023-11-12 00:10:31,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351374060] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:31,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:10:31,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:10:31,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253067917] [2023-11-12 00:10:31,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:31,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:10:31,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:10:31,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:10:31,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:10:31,529 INFO L87 Difference]: Start difference. First operand has 2184 states, 1347 states have (on average 1.3170007423904975) internal successors, (1774), 1400 states have internal predecessors, (1774), 709 states have call successors, (709), 127 states have call predecessors, (709), 126 states have return successors, (703), 692 states have call predecessors, (703), 703 states have call successors, (703) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-12 00:10:33,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:37,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:39,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:43,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:43,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:10:43,230 INFO L93 Difference]: Finished difference Result 6025 states and 8868 transitions. [2023-11-12 00:10:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:10:43,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 62 [2023-11-12 00:10:43,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:10:43,310 INFO L225 Difference]: With dead ends: 6025 [2023-11-12 00:10:43,310 INFO L226 Difference]: Without dead ends: 3805 [2023-11-12 00:10:43,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:10:43,352 INFO L413 NwaCegarLoop]: 2957 mSDtfsCounter, 2404 mSDsluCounter, 2899 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2404 SdHoareTripleChecker+Valid, 5856 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2023-11-12 00:10:43,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2404 Valid, 5856 Invalid, 493 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 489 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2023-11-12 00:10:43,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3805 states. [2023-11-12 00:10:43,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3805 to 3802. [2023-11-12 00:10:43,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3802 states, 2343 states have (on average 1.3034571062740077) internal successors, (3054), 2431 states have internal predecessors, (3054), 1215 states have call successors, (1215), 244 states have call predecessors, (1215), 243 states have return successors, (1212), 1190 states have call predecessors, (1212), 1212 states have call successors, (1212) [2023-11-12 00:10:43,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3802 states to 3802 states and 5481 transitions. [2023-11-12 00:10:43,958 INFO L78 Accepts]: Start accepts. Automaton has 3802 states and 5481 transitions. Word has length 62 [2023-11-12 00:10:43,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:10:43,963 INFO L495 AbstractCegarLoop]: Abstraction has 3802 states and 5481 transitions. [2023-11-12 00:10:43,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-12 00:10:43,963 INFO L276 IsEmpty]: Start isEmpty. Operand 3802 states and 5481 transitions. [2023-11-12 00:10:43,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-12 00:10:43,988 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:10:43,988 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:10:43,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:10:43,989 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 00:10:43,989 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:10:43,990 INFO L85 PathProgramCache]: Analyzing trace with hash 969779829, now seen corresponding path program 1 times [2023-11-12 00:10:43,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:10:43,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614268885] [2023-11-12 00:10:43,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:10:43,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:10:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:10:44,621 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2023-11-12 00:10:44,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:10:44,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614268885] [2023-11-12 00:10:44,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614268885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:10:44,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:10:44,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 00:10:44,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012232176] [2023-11-12 00:10:44,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:10:44,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 00:10:44,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:10:44,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 00:10:44,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 00:10:44,625 INFO L87 Difference]: Start difference. First operand 3802 states and 5481 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-12 00:10:46,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:48,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:52,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:54,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:10:57,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:11:00,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []