./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-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cded267d905984c73c38e1114ddca10548e6c821e636b33fb8a3588346b8baf3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:41:01,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:41:02,030 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:41:02,038 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:41:02,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:41:02,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:41:02,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:41:02,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:41:02,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:41:02,078 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:41:02,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:41:02,080 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:41:02,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:41:02,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:41:02,081 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:41:02,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:41:02,081 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:41:02,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:41:02,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:41:02,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:41:02,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:41:02,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:41:02,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:41:02,082 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:41:02,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:41:02,083 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:41:02,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:41:02,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:41:02,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:41:02,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:41:02,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:41:02,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:41:02,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:41:02,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:41:02,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:41:02,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:41:02,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:41:02,084 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:41:02,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:41:02,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:41:02,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:41:02,084 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:41:02,085 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:41:02,085 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:41:02,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:41:02,085 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB 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 -> Automizer 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 -> cded267d905984c73c38e1114ddca10548e6c821e636b33fb8a3588346b8baf3 [2024-11-28 02:41:02,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:41:02,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:41:02,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:41:02,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:41:02,488 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:41:02,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2024-11-28 02:41:05,616 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/data/30254a37e/1048d84fc47041f79487cd1d40985828/FLAG741dd0bab [2024-11-28 02:41:06,719 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:41:06,720 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2024-11-28 02:41:06,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/data/30254a37e/1048d84fc47041f79487cd1d40985828/FLAG741dd0bab [2024-11-28 02:41:06,818 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/data/30254a37e/1048d84fc47041f79487cd1d40985828 [2024-11-28 02:41:06,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:41:06,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:41:06,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:41:06,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:41:06,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:41:06,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:41:06" (1/1) ... [2024-11-28 02:41:06,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55814b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:06, skipping insertion in model container [2024-11-28 02:41:06,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:41:06" (1/1) ... [2024-11-28 02:41:07,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:41:11,097 WARN L250 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_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[477998,478011] [2024-11-28 02:41:11,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:41:11,509 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:41:11,840 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [9387] [2024-11-28 02:41:11,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [9394] [2024-11-28 02:41:11,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [9435] [2024-11-28 02:41:11,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9438] [2024-11-28 02:41:11,847 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9441] [2024-11-28 02:41:11,848 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9444] [2024-11-28 02:41:11,857 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"); [9532-9533] [2024-11-28 02:41:11,858 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"); [9552-9553] [2024-11-28 02:41:11,859 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"); [9557-9558] [2024-11-28 02:41:11,860 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"); [9562-9563] [2024-11-28 02:41:11,860 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"); [9567-9568] [2024-11-28 02:41:11,906 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)); [10029-10030] [2024-11-28 02:41:11,910 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)); [10037-10038] [2024-11-28 02:41:11,921 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)); [10114-10115] [2024-11-28 02:41:11,926 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)); [10143-10144] [2024-11-28 02:41:11,929 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)); [10191-10192] [2024-11-28 02:41:11,930 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)); [10200-10201] [2024-11-28 02:41:11,931 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)); [10224-10225] [2024-11-28 02:41:11,933 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)); [10254-10255] [2024-11-28 02:41:11,935 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)); [10284-10285] [2024-11-28 02:41:12,153 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/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/4833/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/ulp/isert/ib_isert.c"), "i" (808), "i" (12UL)); [11596-11597] [2024-11-28 02:41:12,693 WARN L250 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_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[477998,478011] [2024-11-28 02:41:12,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:41:12,883 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: __cmpxchg_wrong_size [2024-11-28 02:41:12,892 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:41:12,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:12 WrapperNode [2024-11-28 02:41:12,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:41:12,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:41:12,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:41:12,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:41:12,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:12" (1/1) ... [2024-11-28 02:41:13,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:12" (1/1) ... [2024-11-28 02:41:13,386 INFO L138 Inliner]: procedures = 483, calls = 2996, calls flagged for inlining = 239, calls inlined = 185, statements flattened = 7540 [2024-11-28 02:41:13,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:41:13,388 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:41:13,388 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:41:13,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:41:13,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:12" (1/1) ... [2024-11-28 02:41:13,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:12" (1/1) ... [2024-11-28 02:41:13,442 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:12" (1/1) ... [2024-11-28 02:41:15,974 INFO L175 MemorySlicer]: Split 1055 memory accesses to 12 slices as follows [963, 2, 26, 6, 9, 4, 2, 1, 29, 5, 6, 2]. 91 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [0, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0]. The 362 writes are split as follows [314, 0, 13, 0, 1, 3, 0, 0, 29, 1, 0, 1]. [2024-11-28 02:41:15,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:12" (1/1) ... [2024-11-28 02:41:15,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:12" (1/1) ... [2024-11-28 02:41:16,176 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:12" (1/1) ... [2024-11-28 02:41:16,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:12" (1/1) ... [2024-11-28 02:41:16,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:12" (1/1) ... [2024-11-28 02:41:16,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:12" (1/1) ... [2024-11-28 02:41:16,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:12" (1/1) ... [2024-11-28 02:41:16,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:41:16,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:41:16,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:41:16,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:41:16,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:12" (1/1) ... [2024-11-28 02:41:16,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:41:16,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:41:16,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:41:16,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:41:16,620 INFO L130 BoogieDeclarations]: Found specification of procedure ib_wc_status_msg [2024-11-28 02:41:16,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_wc_status_msg [2024-11-28 02:41:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 02:41:16,621 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 02:41:16,621 INFO L130 BoogieDeclarations]: Found specification of procedure isert_setup_id [2024-11-28 02:41:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_setup_id [2024-11-28 02:41:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 02:41:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 02:41:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_isert_conn [2024-11-28 02:41:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_isert_conn [2024-11-28 02:41:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2024-11-28 02:41:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2024-11-28 02:41:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2024-11-28 02:41:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2024-11-28 02:41:16,624 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_stop_dataout_timer [2024-11-28 02:41:16,624 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_stop_dataout_timer [2024-11-28 02:41:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_destroy_id [2024-11-28 02:41:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_destroy_id [2024-11-28 02:41:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-28 02:41:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-28 02:41:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure isert_cq_work [2024-11-28 02:41:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_cq_work [2024-11-28 02:41:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2024-11-28 02:41:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2024-11-28 02:41:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_recv [2024-11-28 02:41:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_recv [2024-11-28 02:41:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_device [2024-11-28 02:41:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_device [2024-11-28 02:41:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-28 02:41:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-28 02:41:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_isert_conn [2024-11-28 02:41:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_isert_conn [2024-11-28 02:41:16,625 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_single [2024-11-28 02:41:16,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_single [2024-11-28 02:41:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_send_wr [2024-11-28 02:41:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_send_wr [2024-11-28 02:41:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_np_accept_mutex_of_isert_np [2024-11-28 02:41:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_np_accept_mutex_of_isert_np [2024-11-28 02:41:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 02:41:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 02:41:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-28 02:41:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-28 02:41:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_np_accept_mutex_of_isert_np [2024-11-28 02:41:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_np_accept_mutex_of_isert_np [2024-11-28 02:41:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:41:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_address [2024-11-28 02:41:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_address [2024-11-28 02:41:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait_conn [2024-11-28 02:41:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait_conn [2024-11-28 02:41:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2024-11-28 02:41:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2024-11-28 02:41:16,626 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-28 02:41:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-28 02:41:16,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-28 02:41:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-28 02:41:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_map_single [2024-11-28 02:41:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_map_single [2024-11-28 02:41:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-28 02:41:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-28 02:41:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-28 02:41:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-28 02:41:16,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-28 02:41:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-28 02:41:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-28 02:41:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-28 02:41:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-28 02:41:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-28 02:41:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-28 02:41:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-28 02:41:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_terminate [2024-11-28 02:41:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_terminate [2024-11-28 02:41:16,631 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2024-11-28 02:41:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2024-11-28 02:41:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 02:41:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 02:41:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 02:41:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 02:41:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 02:41:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 02:41:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 02:41:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 02:41:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 02:41:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 02:41:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 02:41:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 02:41:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure isert_prot_cmd [2024-11-28 02:41:16,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_prot_cmd [2024-11-28 02:41:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:41:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:41:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:41:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:41:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:41:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:41:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:41:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:41:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:41:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:41:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:41:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 02:41:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2024-11-28 02:41:16,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2024-11-28 02:41:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2024-11-28 02:41:16,636 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2024-11-28 02:41:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-28 02:41:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-28 02:41:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-28 02:41:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-28 02:41:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-28 02:41:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-28 02:41:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-28 02:41:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-28 02:41:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-28 02:41:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-28 02:41:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-28 02:41:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-28 02:41:16,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-28 02:41:16,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-28 02:41:16,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-28 02:41:16,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-28 02:41:16,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-28 02:41:16,637 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-28 02:41:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-28 02:41:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-28 02:41:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-28 02:41:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-28 02:41:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-28 02:41:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-28 02:41:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure isert_release_work [2024-11-28 02:41:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_release_work [2024-11-28 02:41:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_np [2024-11-28 02:41:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_np [2024-11-28 02:41:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure isert_comp_put [2024-11-28 02:41:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_comp_put [2024-11-28 02:41:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2024-11-28 02:41:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2024-11-28 02:41:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-28 02:41:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-28 02:41:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2024-11-28 02:41:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2024-11-28 02:41:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_from_buffer [2024-11-28 02:41:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_from_buffer [2024-11-28 02:41:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2024-11-28 02:41:16,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2024-11-28 02:41:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:41:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2024-11-28 02:41:16,640 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2024-11-28 02:41:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:41:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2024-11-28 02:41:16,640 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2024-11-28 02:41:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 02:41:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 02:41:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 02:41:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 02:41:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 02:41:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 02:41:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 02:41:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 02:41:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 02:41:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 02:41:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 02:41:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 02:41:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 02:41:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-28 02:41:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure isert_completion_put [2024-11-28 02:41:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_completion_put [2024-11-28 02:41:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-28 02:41:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-28 02:41:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_data_buf [2024-11-28 02:41:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_data_buf [2024-11-28 02:41:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure isert_inv_rkey [2024-11-28 02:41:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_inv_rkey [2024-11-28 02:41:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2024-11-28 02:41:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2024-11-28 02:41:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_cpu [2024-11-28 02:41:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_cpu [2024-11-28 02:41:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-28 02:41:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-28 02:41:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure isert_allocate_cmd [2024-11-28 02:41:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_allocate_cmd [2024-11-28 02:41:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure isert_do_control_comp [2024-11-28 02:41:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_do_control_comp [2024-11-28 02:41:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_conn [2024-11-28 02:41:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_conn [2024-11-28 02:41:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure isert_connect_release [2024-11-28 02:41:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_connect_release [2024-11-28 02:41:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_comps [2024-11-28 02:41:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_comps [2024-11-28 02:41:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:41:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:41:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-28 02:41:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-28 02:41:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-28 02:41:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-28 02:41:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-28 02:41:16,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-28 02:41:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-28 02:41:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-28 02:41:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-28 02:41:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-28 02:41:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-28 02:41:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-28 02:41:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-28 02:41:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-28 02:41:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-28 02:41:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-28 02:41:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-28 02:41:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-28 02:41:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-28 02:41:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure isert_device_put [2024-11-28 02:41:16,649 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_device_put [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 02:41:16,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure isert_map_data_buf [2024-11-28 02:41:16,649 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_map_data_buf [2024-11-28 02:41:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2024-11-28 02:41:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2024-11-28 02:41:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_conn [2024-11-28 02:41:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_conn [2024-11-28 02:41:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2024-11-28 02:41:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2024-11-28 02:41:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_tx_hdrs [2024-11-28 02:41:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_tx_hdrs [2024-11-28 02:41:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2024-11-28 02:41:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2024-11-28 02:41:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2024-11-28 02:41:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2024-11-28 02:41:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_fast_reg_page_list [2024-11-28 02:41:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_fast_reg_page_list [2024-11-28 02:41:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2024-11-28 02:41:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2024-11-28 02:41:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-28 02:41:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-28 02:41:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure isert_aborted_task [2024-11-28 02:41:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_aborted_task [2024-11-28 02:41:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-28 02:41:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-28 02:41:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2024-11-28 02:41:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2024-11-28 02:41:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_response [2024-11-28 02:41:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_response [2024-11-28 02:41:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait4flush [2024-11-28 02:41:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait4flush [2024-11-28 02:41:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 02:41:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 02:41:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 02:41:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 02:41:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 02:41:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 02:41:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-28 02:41:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-28 02:41:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-28 02:41:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-28 02:41:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-11-28 02:41:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-11-28 02:41:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 02:41:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 02:41:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 02:41:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 02:41:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 02:41:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 02:41:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-28 02:41:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-28 02:41:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-28 02:41:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-28 02:41:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-11-28 02:41:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-11-28 02:41:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:41:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:41:16,654 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2024-11-28 02:41:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2024-11-28 02:41:16,654 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_login_buf [2024-11-28 02:41:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_login_buf [2024-11-28 02:41:16,654 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2024-11-28 02:41:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2024-11-28 02:41:16,654 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2024-11-28 02:41:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2024-11-28 02:41:16,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:41:16,654 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-28 02:41:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-28 02:41:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_priv_cmd [2024-11-28 02:41:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_priv_cmd [2024-11-28 02:41:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_nopin [2024-11-28 02:41:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_nopin [2024-11-28 02:41:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 02:41:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 02:41:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 02:41:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 02:41:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 02:41:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 02:41:16,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 02:41:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 02:41:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 02:41:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 02:41:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 02:41:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 02:41:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2024-11-28 02:41:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2024-11-28 02:41:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_rdma [2024-11-28 02:41:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_rdma [2024-11-28 02:41:16,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-28 02:41:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_recv [2024-11-28 02:41:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_recv [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-28 02:41:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-28 02:41:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-28 02:41:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2024-11-28 02:41:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2024-11-28 02:41:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-28 02:41:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-28 02:41:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-28 02:41:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-28 02:41:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rdma_post_recvl [2024-11-28 02:41:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rdma_post_recvl [2024-11-28 02:41:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_free_fastreg_pool [2024-11-28 02:41:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_free_fastreg_pool [2024-11-28 02:41:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure transport_send_check_condition_and_sense [2024-11-28 02:41:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_send_check_condition_and_sense [2024-11-28 02:41:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2024-11-28 02:41:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2024-11-28 02:41:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_sig_mr [2024-11-28 02:41:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_sig_mr [2024-11-28 02:41:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2024-11-28 02:41:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2024-11-28 02:41:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_tx_desc [2024-11-28 02:41:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_tx_desc [2024-11-28 02:41:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2024-11-28 02:41:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2024-11-28 02:41:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_device_list_mutex [2024-11-28 02:41:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_device_list_mutex [2024-11-28 02:41:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_device_list_mutex [2024-11-28 02:41:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_device_list_mutex [2024-11-28 02:41:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2024-11-28 02:41:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2024-11-28 02:41:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2024-11-28 02:41:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2024-11-28 02:41:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure isert_handle_prot_cmd [2024-11-28 02:41:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_handle_prot_cmd [2024-11-28 02:41:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2024-11-28 02:41:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2024-11-28 02:41:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2024-11-28 02:41:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2024-11-28 02:41:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 02:41:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 02:41:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure isert_check_pi_status [2024-11-28 02:41:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_check_pi_status [2024-11-28 02:41:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2024-11-28 02:41:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2024-11-28 02:41:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:41:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:41:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:41:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:41:16,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:41:16,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:41:16,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:41:16,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:41:16,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:41:16,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:41:16,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:41:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 02:41:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure isert_create_send_desc [2024-11-28 02:41:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_create_send_desc [2024-11-28 02:41:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 02:41:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 02:41:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_len [2024-11-28 02:41:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_len [2024-11-28 02:41:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure isert_fast_reg_mr [2024-11-28 02:41:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_fast_reg_mr [2024-11-28 02:41:16,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2024-11-28 02:41:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2024-11-28 02:41:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_response [2024-11-28 02:41:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_response [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_mr [2024-11-28 02:41:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_mr [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2024-11-28 02:41:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rx_login_req [2024-11-28 02:41:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rx_login_req [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2024-11-28 02:41:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_mapping_error [2024-11-28 02:41:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_mapping_error [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:41:16,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:41:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:41:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 02:41:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-28 02:41:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-28 02:41:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure target_put_sess_cmd [2024-11-28 02:41:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure target_put_sess_cmd [2024-11-28 02:41:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure isert_set_dif_domain [2024-11-28 02:41:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_set_dif_domain [2024-11-28 02:41:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2024-11-28 02:41:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2024-11-28 02:41:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2024-11-28 02:41:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2024-11-28 02:41:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_page_list [2024-11-28 02:41:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_page_list [2024-11-28 02:41:16,664 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_build_rsp_pdu [2024-11-28 02:41:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_build_rsp_pdu [2024-11-28 02:41:18,184 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:41:18,189 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:41:18,576 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 02:41:37,873 INFO L? ?]: Removed 3734 outVars from TransFormulas that were not future-live. [2024-11-28 02:41:37,874 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:41:37,977 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:41:37,977 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 02:41:37,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:41:37 BoogieIcfgContainer [2024-11-28 02:41:37,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:41:37,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:41:37,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:41:37,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:41:37,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:41:06" (1/3) ... [2024-11-28 02:41:37,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3715edbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:41:37, skipping insertion in model container [2024-11-28 02:41:37,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:41:12" (2/3) ... [2024-11-28 02:41:37,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3715edbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:41:37, skipping insertion in model container [2024-11-28 02:41:37,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:41:37" (3/3) ... [2024-11-28 02:41:37,991 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2024-11-28 02:41:38,013 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:41:38,016 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i that has 156 procedures, 2824 locations, 1 initial locations, 40 loop locations, and 1 error locations. [2024-11-28 02:41:38,203 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:41:38,218 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@23ab20dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:41:38,219 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:41:38,239 INFO L276 IsEmpty]: Start isEmpty. Operand has 2732 states, 1862 states have (on average 1.313641245972073) internal successors, (2446), 1923 states have internal predecessors, (2446), 734 states have call successors, (734), 135 states have call predecessors, (734), 134 states have return successors, (728), 717 states have call predecessors, (728), 728 states have call successors, (728) [2024-11-28 02:41:38,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:41:38,272 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:38,273 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:38,274 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:38,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:38,282 INFO L85 PathProgramCache]: Analyzing trace with hash -797978025, now seen corresponding path program 1 times [2024-11-28 02:41:38,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:38,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487058825] [2024-11-28 02:41:38,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:38,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:40,127 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-28 02:41:40,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:40,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487058825] [2024-11-28 02:41:40,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487058825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:40,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:40,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:41:40,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463259498] [2024-11-28 02:41:40,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:40,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:41:40,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:40,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:41:40,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:41:40,181 INFO L87 Difference]: Start difference. First operand has 2732 states, 1862 states have (on average 1.313641245972073) internal successors, (2446), 1923 states have internal predecessors, (2446), 734 states have call successors, (734), 135 states have call predecessors, (734), 134 states have return successors, (728), 717 states have call predecessors, (728), 728 states have call successors, (728) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 02:41:40,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:40,612 INFO L93 Difference]: Finished difference Result 5459 states and 7961 transitions. [2024-11-28 02:41:40,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:41:40,615 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 86 [2024-11-28 02:41:40,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:40,678 INFO L225 Difference]: With dead ends: 5459 [2024-11-28 02:41:40,678 INFO L226 Difference]: Without dead ends: 2709 [2024-11-28 02:41:40,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:41:40,719 INFO L435 NwaCegarLoop]: 3888 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3888 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:40,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3888 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:41:40,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2709 states. [2024-11-28 02:41:41,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2709 to 2709. [2024-11-28 02:41:41,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2709 states, 1847 states have (on average 1.3031943692474282) internal successors, (2407), 1900 states have internal predecessors, (2407), 728 states have call successors, (728), 134 states have call predecessors, (728), 133 states have return successors, (716), 705 states have call predecessors, (716), 716 states have call successors, (716) [2024-11-28 02:41:41,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2709 states and 3851 transitions. [2024-11-28 02:41:41,281 INFO L78 Accepts]: Start accepts. Automaton has 2709 states and 3851 transitions. Word has length 86 [2024-11-28 02:41:41,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:41,283 INFO L471 AbstractCegarLoop]: Abstraction has 2709 states and 3851 transitions. [2024-11-28 02:41:41,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-28 02:41:41,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2709 states and 3851 transitions. [2024-11-28 02:41:41,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-28 02:41:41,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:41,296 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:41,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:41:41,299 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:41,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:41,300 INFO L85 PathProgramCache]: Analyzing trace with hash 936126425, now seen corresponding path program 1 times [2024-11-28 02:41:41,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:41,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939285709] [2024-11-28 02:41:41,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:41,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-28 02:41:42,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:42,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939285709] [2024-11-28 02:41:42,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939285709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:42,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:42,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:41:42,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673205336] [2024-11-28 02:41:42,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:42,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:41:42,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:42,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:41:42,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:41:42,880 INFO L87 Difference]: Start difference. First operand 2709 states and 3851 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-28 02:41:43,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:43,570 INFO L93 Difference]: Finished difference Result 7533 states and 10658 transitions. [2024-11-28 02:41:43,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:41:43,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 86 [2024-11-28 02:41:43,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:43,628 INFO L225 Difference]: With dead ends: 7533 [2024-11-28 02:41:43,629 INFO L226 Difference]: Without dead ends: 4849 [2024-11-28 02:41:43,652 INFO L434 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 [2024-11-28 02:41:43,653 INFO L435 NwaCegarLoop]: 3943 mSDtfsCounter, 3007 mSDsluCounter, 3776 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3007 SdHoareTripleChecker+Valid, 7719 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:43,655 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3007 Valid, 7719 Invalid, 47 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:41:43,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4849 states. [2024-11-28 02:41:44,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4849 to 4826. [2024-11-28 02:41:44,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4826 states, 3314 states have (on average 1.3020519010259506) internal successors, (4315), 3408 states have internal predecessors, (4315), 1253 states have call successors, (1253), 259 states have call predecessors, (1253), 258 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2024-11-28 02:41:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4826 states to 4826 states and 6809 transitions. [2024-11-28 02:41:44,097 INFO L78 Accepts]: Start accepts. Automaton has 4826 states and 6809 transitions. Word has length 86 [2024-11-28 02:41:44,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:44,099 INFO L471 AbstractCegarLoop]: Abstraction has 4826 states and 6809 transitions. [2024-11-28 02:41:44,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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) [2024-11-28 02:41:44,099 INFO L276 IsEmpty]: Start isEmpty. Operand 4826 states and 6809 transitions. [2024-11-28 02:41:44,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-28 02:41:44,107 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:44,107 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:44,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:41:44,107 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:44,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:44,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1300339849, now seen corresponding path program 1 times [2024-11-28 02:41:44,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:44,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490142501] [2024-11-28 02:41:44,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:44,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:46,047 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-28 02:41:46,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:46,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490142501] [2024-11-28 02:41:46,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490142501] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:46,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:46,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:41:46,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227127220] [2024-11-28 02:41:46,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:46,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:41:46,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:46,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:41:46,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:41:46,059 INFO L87 Difference]: Start difference. First operand 4826 states and 6809 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 02:41:46,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:46,613 INFO L93 Difference]: Finished difference Result 4854 states and 6827 transitions. [2024-11-28 02:41:46,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:41:46,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 94 [2024-11-28 02:41:46,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:46,692 INFO L225 Difference]: With dead ends: 4854 [2024-11-28 02:41:46,692 INFO L226 Difference]: Without dead ends: 4850 [2024-11-28 02:41:46,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:41:46,701 INFO L435 NwaCegarLoop]: 3848 mSDtfsCounter, 3736 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3736 SdHoareTripleChecker+Valid, 3929 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:46,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3736 Valid, 3929 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:41:46,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4850 states. [2024-11-28 02:41:47,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4850 to 4848. [2024-11-28 02:41:47,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4848 states, 3330 states have (on average 1.2996996996996997) internal successors, (4328), 3422 states have internal predecessors, (4328), 1251 states have call successors, (1251), 267 states have call predecessors, (1251), 266 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2024-11-28 02:41:47,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4848 states to 4848 states and 6820 transitions. [2024-11-28 02:41:47,145 INFO L78 Accepts]: Start accepts. Automaton has 4848 states and 6820 transitions. Word has length 94 [2024-11-28 02:41:47,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:47,146 INFO L471 AbstractCegarLoop]: Abstraction has 4848 states and 6820 transitions. [2024-11-28 02:41:47,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 02:41:47,147 INFO L276 IsEmpty]: Start isEmpty. Operand 4848 states and 6820 transitions. [2024-11-28 02:41:47,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-28 02:41:47,151 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:47,152 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:47,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:41:47,152 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:47,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:47,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1844157326, now seen corresponding path program 1 times [2024-11-28 02:41:47,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:47,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95522087] [2024-11-28 02:41:47,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:47,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:48,249 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-28 02:41:48,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:48,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95522087] [2024-11-28 02:41:48,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95522087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:48,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:48,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:41:48,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147403143] [2024-11-28 02:41:48,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:48,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:41:48,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:48,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:41:48,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:41:48,255 INFO L87 Difference]: Start difference. First operand 4848 states and 6820 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:41:48,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:48,544 INFO L93 Difference]: Finished difference Result 4888 states and 6846 transitions. [2024-11-28 02:41:48,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:41:48,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 98 [2024-11-28 02:41:48,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:48,594 INFO L225 Difference]: With dead ends: 4888 [2024-11-28 02:41:48,594 INFO L226 Difference]: Without dead ends: 4884 [2024-11-28 02:41:48,600 INFO L434 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 [2024-11-28 02:41:48,601 INFO L435 NwaCegarLoop]: 3841 mSDtfsCounter, 3733 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3733 SdHoareTripleChecker+Valid, 3927 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:48,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3733 Valid, 3927 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:41:48,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4884 states. [2024-11-28 02:41:49,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4884 to 4882. [2024-11-28 02:41:49,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4882 states, 3354 states have (on average 1.2966607036374478) internal successors, (4349), 3444 states have internal predecessors, (4349), 1249 states have call successors, (1249), 279 states have call predecessors, (1249), 278 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2024-11-28 02:41:49,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4882 states to 4882 states and 6839 transitions. [2024-11-28 02:41:49,155 INFO L78 Accepts]: Start accepts. Automaton has 4882 states and 6839 transitions. Word has length 98 [2024-11-28 02:41:49,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:49,157 INFO L471 AbstractCegarLoop]: Abstraction has 4882 states and 6839 transitions. [2024-11-28 02:41:49,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:41:49,158 INFO L276 IsEmpty]: Start isEmpty. Operand 4882 states and 6839 transitions. [2024-11-28 02:41:49,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-28 02:41:49,170 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:49,170 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:49,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:41:49,171 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:49,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:49,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1335452839, now seen corresponding path program 1 times [2024-11-28 02:41:49,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:49,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084201006] [2024-11-28 02:41:49,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:49,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-28 02:41:50,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:50,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084201006] [2024-11-28 02:41:50,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084201006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:50,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:50,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:41:50,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816645489] [2024-11-28 02:41:50,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:50,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:41:50,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:50,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:41:50,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:41:50,160 INFO L87 Difference]: Start difference. First operand 4882 states and 6839 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:41:50,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:50,437 INFO L93 Difference]: Finished difference Result 4884 states and 6840 transitions. [2024-11-28 02:41:50,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:41:50,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 99 [2024-11-28 02:41:50,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:50,482 INFO L225 Difference]: With dead ends: 4884 [2024-11-28 02:41:50,482 INFO L226 Difference]: Without dead ends: 4881 [2024-11-28 02:41:50,488 INFO L434 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 [2024-11-28 02:41:50,489 INFO L435 NwaCegarLoop]: 3840 mSDtfsCounter, 3807 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3807 SdHoareTripleChecker+Valid, 3840 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:50,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3807 Valid, 3840 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:41:50,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4881 states. [2024-11-28 02:41:50,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4881 to 4881. [2024-11-28 02:41:50,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4881 states, 3354 states have (on average 1.2963625521765056) internal successors, (4348), 3443 states have internal predecessors, (4348), 1248 states have call successors, (1248), 279 states have call predecessors, (1248), 278 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2024-11-28 02:41:50,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4881 states to 4881 states and 6837 transitions. [2024-11-28 02:41:50,931 INFO L78 Accepts]: Start accepts. Automaton has 4881 states and 6837 transitions. Word has length 99 [2024-11-28 02:41:50,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:50,932 INFO L471 AbstractCegarLoop]: Abstraction has 4881 states and 6837 transitions. [2024-11-28 02:41:50,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:41:50,934 INFO L276 IsEmpty]: Start isEmpty. Operand 4881 states and 6837 transitions. [2024-11-28 02:41:50,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-28 02:41:50,938 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:50,939 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:50,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:41:50,940 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:50,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:50,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1549489237, now seen corresponding path program 1 times [2024-11-28 02:41:50,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:50,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848160830] [2024-11-28 02:41:50,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:50,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:51,887 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-28 02:41:51,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:51,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848160830] [2024-11-28 02:41:51,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848160830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:51,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:51,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:41:51,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870864685] [2024-11-28 02:41:51,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:51,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:41:51,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:51,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:41:51,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:41:51,891 INFO L87 Difference]: Start difference. First operand 4881 states and 6837 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:41:52,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:52,262 INFO L93 Difference]: Finished difference Result 4883 states and 6838 transitions. [2024-11-28 02:41:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:41:52,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 100 [2024-11-28 02:41:52,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:52,335 INFO L225 Difference]: With dead ends: 4883 [2024-11-28 02:41:52,335 INFO L226 Difference]: Without dead ends: 4880 [2024-11-28 02:41:52,342 INFO L434 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 [2024-11-28 02:41:52,343 INFO L435 NwaCegarLoop]: 3838 mSDtfsCounter, 3804 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3804 SdHoareTripleChecker+Valid, 3838 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:52,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3804 Valid, 3838 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:41:52,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4880 states. [2024-11-28 02:41:52,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4880 to 4880. [2024-11-28 02:41:52,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4880 states, 3354 states have (on average 1.2960644007155635) internal successors, (4347), 3442 states have internal predecessors, (4347), 1247 states have call successors, (1247), 279 states have call predecessors, (1247), 278 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2024-11-28 02:41:52,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4880 states to 4880 states and 6835 transitions. [2024-11-28 02:41:52,945 INFO L78 Accepts]: Start accepts. Automaton has 4880 states and 6835 transitions. Word has length 100 [2024-11-28 02:41:52,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:52,946 INFO L471 AbstractCegarLoop]: Abstraction has 4880 states and 6835 transitions. [2024-11-28 02:41:52,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:41:52,946 INFO L276 IsEmpty]: Start isEmpty. Operand 4880 states and 6835 transitions. [2024-11-28 02:41:52,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 02:41:52,950 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:52,950 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:52,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:41:52,951 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:52,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:52,951 INFO L85 PathProgramCache]: Analyzing trace with hash 788385244, now seen corresponding path program 1 times [2024-11-28 02:41:52,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:52,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872706139] [2024-11-28 02:41:52,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:52,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:53,904 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-28 02:41:53,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:53,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872706139] [2024-11-28 02:41:53,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872706139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:53,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:53,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:41:53,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092756157] [2024-11-28 02:41:53,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:53,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:41:53,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:53,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:41:53,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:41:53,906 INFO L87 Difference]: Start difference. First operand 4880 states and 6835 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:41:54,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:41:54,254 INFO L93 Difference]: Finished difference Result 4882 states and 6836 transitions. [2024-11-28 02:41:54,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:41:54,255 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2024-11-28 02:41:54,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:41:54,296 INFO L225 Difference]: With dead ends: 4882 [2024-11-28 02:41:54,296 INFO L226 Difference]: Without dead ends: 4879 [2024-11-28 02:41:54,301 INFO L434 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 [2024-11-28 02:41:54,303 INFO L435 NwaCegarLoop]: 3836 mSDtfsCounter, 3801 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3801 SdHoareTripleChecker+Valid, 3836 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:41:54,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3801 Valid, 3836 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:41:54,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2024-11-28 02:41:54,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 4879. [2024-11-28 02:41:54,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4879 states, 3354 states have (on average 1.2957662492546214) internal successors, (4346), 3441 states have internal predecessors, (4346), 1246 states have call successors, (1246), 279 states have call predecessors, (1246), 278 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2024-11-28 02:41:54,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4879 states to 4879 states and 6833 transitions. [2024-11-28 02:41:54,764 INFO L78 Accepts]: Start accepts. Automaton has 4879 states and 6833 transitions. Word has length 101 [2024-11-28 02:41:54,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:41:54,764 INFO L471 AbstractCegarLoop]: Abstraction has 4879 states and 6833 transitions. [2024-11-28 02:41:54,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:41:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 4879 states and 6833 transitions. [2024-11-28 02:41:54,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-28 02:41:54,770 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:41:54,770 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:41:54,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:41:54,771 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:41:54,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:41:54,772 INFO L85 PathProgramCache]: Analyzing trace with hash 568496729, now seen corresponding path program 1 times [2024-11-28 02:41:54,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:41:54,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427180954] [2024-11-28 02:41:54,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:41:54,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:41:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:41:55,757 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-28 02:41:55,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:41:55,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427180954] [2024-11-28 02:41:55,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427180954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:41:55,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:41:55,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:41:55,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160188283] [2024-11-28 02:41:55,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:41:55,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:41:55,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:41:55,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:41:55,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:41:55,760 INFO L87 Difference]: Start difference. First operand 4879 states and 6833 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:41:59,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:00,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:00,171 INFO L93 Difference]: Finished difference Result 4881 states and 6834 transitions. [2024-11-28 02:42:00,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:42:00,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 106 [2024-11-28 02:42:00,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:00,224 INFO L225 Difference]: With dead ends: 4881 [2024-11-28 02:42:00,224 INFO L226 Difference]: Without dead ends: 4878 [2024-11-28 02:42:00,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:00,232 INFO L435 NwaCegarLoop]: 3840 mSDtfsCounter, 74 mSDsluCounter, 3758 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 7598 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:00,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 7598 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 02:42:00,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4878 states. [2024-11-28 02:42:00,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4878 to 4878. [2024-11-28 02:42:00,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4878 states, 3354 states have (on average 1.295169946332737) internal successors, (4344), 3440 states have internal predecessors, (4344), 1245 states have call successors, (1245), 279 states have call predecessors, (1245), 278 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2024-11-28 02:42:00,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4878 states to 4878 states and 6830 transitions. [2024-11-28 02:42:00,674 INFO L78 Accepts]: Start accepts. Automaton has 4878 states and 6830 transitions. Word has length 106 [2024-11-28 02:42:00,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:00,675 INFO L471 AbstractCegarLoop]: Abstraction has 4878 states and 6830 transitions. [2024-11-28 02:42:00,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:42:00,676 INFO L276 IsEmpty]: Start isEmpty. Operand 4878 states and 6830 transitions. [2024-11-28 02:42:00,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 02:42:00,681 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:00,682 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:00,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:42:00,683 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:00,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:00,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1687628895, now seen corresponding path program 1 times [2024-11-28 02:42:00,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:00,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813377426] [2024-11-28 02:42:00,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:00,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:01,517 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-28 02:42:01,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:01,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813377426] [2024-11-28 02:42:01,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813377426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:01,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:01,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:42:01,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649958379] [2024-11-28 02:42:01,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:01,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:42:01,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:01,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:42:01,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:01,519 INFO L87 Difference]: Start difference. First operand 4878 states and 6830 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:42:01,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:01,857 INFO L93 Difference]: Finished difference Result 5343 states and 7388 transitions. [2024-11-28 02:42:01,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:42:01,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2024-11-28 02:42:01,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:01,900 INFO L225 Difference]: With dead ends: 5343 [2024-11-28 02:42:01,900 INFO L226 Difference]: Without dead ends: 5300 [2024-11-28 02:42:01,910 INFO L434 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 [2024-11-28 02:42:01,911 INFO L435 NwaCegarLoop]: 3870 mSDtfsCounter, 3739 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3739 SdHoareTripleChecker+Valid, 4193 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:01,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3739 Valid, 4193 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:42:01,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5300 states. [2024-11-28 02:42:02,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5300 to 5297. [2024-11-28 02:42:02,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5297 states, 3632 states have (on average 1.2852422907488987) internal successors, (4668), 3721 states have internal predecessors, (4668), 1328 states have call successors, (1328), 337 states have call predecessors, (1328), 336 states have return successors, (1326), 1304 states have call predecessors, (1326), 1326 states have call successors, (1326) [2024-11-28 02:42:02,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5297 states to 5297 states and 7322 transitions. [2024-11-28 02:42:02,492 INFO L78 Accepts]: Start accepts. Automaton has 5297 states and 7322 transitions. Word has length 103 [2024-11-28 02:42:02,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:02,492 INFO L471 AbstractCegarLoop]: Abstraction has 5297 states and 7322 transitions. [2024-11-28 02:42:02,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:42:02,493 INFO L276 IsEmpty]: Start isEmpty. Operand 5297 states and 7322 transitions. [2024-11-28 02:42:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-11-28 02:42:02,511 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:02,511 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:02,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:42:02,512 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:02,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:02,514 INFO L85 PathProgramCache]: Analyzing trace with hash 976896791, now seen corresponding path program 1 times [2024-11-28 02:42:02,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:02,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162272379] [2024-11-28 02:42:02,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:02,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:03,593 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-28 02:42:03,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:03,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162272379] [2024-11-28 02:42:03,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162272379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:03,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:03,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:42:03,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642556438] [2024-11-28 02:42:03,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:03,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:42:03,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:03,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:42:03,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:03,596 INFO L87 Difference]: Start difference. First operand 5297 states and 7322 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:42:07,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:08,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:08,095 INFO L93 Difference]: Finished difference Result 5302 states and 7325 transitions. [2024-11-28 02:42:08,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:42:08,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 167 [2024-11-28 02:42:08,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:08,137 INFO L225 Difference]: With dead ends: 5302 [2024-11-28 02:42:08,138 INFO L226 Difference]: Without dead ends: 5299 [2024-11-28 02:42:08,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:08,144 INFO L435 NwaCegarLoop]: 4029 mSDtfsCounter, 313 mSDsluCounter, 3742 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 7771 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:08,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 7771 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 02:42:08,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5299 states. [2024-11-28 02:42:08,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5299 to 5296. [2024-11-28 02:42:08,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5296 states, 3632 states have (on average 1.2846916299559472) internal successors, (4666), 3720 states have internal predecessors, (4666), 1327 states have call successors, (1327), 337 states have call predecessors, (1327), 336 states have return successors, (1326), 1304 states have call predecessors, (1326), 1326 states have call successors, (1326) [2024-11-28 02:42:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5296 states to 5296 states and 7319 transitions. [2024-11-28 02:42:08,898 INFO L78 Accepts]: Start accepts. Automaton has 5296 states and 7319 transitions. Word has length 167 [2024-11-28 02:42:08,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:08,900 INFO L471 AbstractCegarLoop]: Abstraction has 5296 states and 7319 transitions. [2024-11-28 02:42:08,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:42:08,901 INFO L276 IsEmpty]: Start isEmpty. Operand 5296 states and 7319 transitions. [2024-11-28 02:42:08,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-28 02:42:08,932 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:42:08,933 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:08,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:42:08,933 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:42:08,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:42:08,935 INFO L85 PathProgramCache]: Analyzing trace with hash -966416810, now seen corresponding path program 1 times [2024-11-28 02:42:08,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:42:08,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373159134] [2024-11-28 02:42:08,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:42:08,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:42:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:42:09,928 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-28 02:42:09,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:42:09,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373159134] [2024-11-28 02:42:09,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373159134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:42:09,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:42:09,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:42:09,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751701518] [2024-11-28 02:42:09,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:42:09,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:42:09,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:42:09,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:42:09,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:09,931 INFO L87 Difference]: Start difference. First operand 5296 states and 7319 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:42:13,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:42:14,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:42:14,368 INFO L93 Difference]: Finished difference Result 5296 states and 7319 transitions. [2024-11-28 02:42:14,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:42:14,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 187 [2024-11-28 02:42:14,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:42:14,377 INFO L225 Difference]: With dead ends: 5296 [2024-11-28 02:42:14,377 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 02:42:14,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:42:14,404 INFO L435 NwaCegarLoop]: 3804 mSDtfsCounter, 79 mSDsluCounter, 3716 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 7520 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:42:14,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 7520 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 02:42:14,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 02:42:14,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 02:42:14,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:42:14,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:42:14,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2024-11-28 02:42:14,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:42:14,409 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:42:14,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:42:14,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:42:14,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 02:42:14,414 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:42:14,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:42:14,418 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:42:14,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 02:43:44,411 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:43:44,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:43:44 BoogieIcfgContainer [2024-11-28 02:43:44,439 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:43:44,440 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:43:44,440 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:43:44,440 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:43:44,444 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:41:37" (3/4) ... [2024-11-28 02:43:44,446 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:43:44,457 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2024-11-28 02:43:44,457 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#11 [2024-11-28 02:43:44,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#10 [2024-11-28 02:43:44,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fswab32 [2024-11-28 02:43:44,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_unmap_tx_desc [2024-11-28 02:43:44,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_wc_status_msg [2024-11-28 02:43:44,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_empty [2024-11-28 02:43:44,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kref_sub [2024-11-28 02:43:44,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_device_list_mutex [2024-11-28 02:43:44,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_device_list_mutex [2024-11-28 02:43:44,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_prot_cmd [2024-11-28 02:43:44,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_device_put [2024-11-28 02:43:44,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2024-11-28 02:43:44,458 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __alloc_workqueue_key [2024-11-28 02:43:44,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cpumask_weight [2024-11-28 02:43:44,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.meminit [2024-11-28 02:43:44,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_map_data_buf [2024-11-28 02:43:44,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_setup_id [2024-11-28 02:43:44,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __phys_addr [2024-11-28 02:43:44,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_handle_prot_cmd [2024-11-28 02:43:44,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion_interruptible [2024-11-28 02:43:44,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_release_work [2024-11-28 02:43:44,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_current [2024-11-28 02:43:44,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_free_conn [2024-11-28 02:43:44,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_post_send [2024-11-28 02:43:44,459 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_init_tx_hdrs [2024-11-28 02:43:44,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-28 02:43:44,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure destroy_workqueue [2024-11-28 02:43:44,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_dereg_mr [2024-11-28 02:43:44,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_free_np [2024-11-28 02:43:44,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kmemcheck_mark_initialized [2024-11-28 02:43:44,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_req_notify_cq [2024-11-28 02:43:44,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_mutex_of_isert_conn [2024-11-28 02:43:44,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure activate_work_1 [2024-11-28 02:43:44,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_free_fast_reg_page_list [2024-11-28 02:43:44,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-11-28 02:43:44,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dump_stack [2024-11-28 02:43:44,460 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_del_init [2024-11-28 02:43:44,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_comp_put [2024-11-28 02:43:44,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_add_tail [2024-11-28 02:43:44,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_check_pi_status [2024-11-28 02:43:44,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iscsit_stop_dataout_timer [2024-11-28 02:43:44,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure rdma_destroy_id [2024-11-28 02:43:44,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure init_completion [2024-11-28 02:43:44,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#5 [2024-11-28 02:43:44,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-11-28 02:43:44,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#4 [2024-11-28 02:43:44,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2024-11-28 02:43:44,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_aborted_task [2024-11-28 02:43:44,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#7 [2024-11-28 02:43:44,461 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-11-28 02:43:44,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#6 [2024-11-28 02:43:44,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#1 [2024-11-28 02:43:44,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure queue_delayed_work_on [2024-11-28 02:43:44,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_put_response [2024-11-28 02:43:44,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#0 [2024-11-28 02:43:44,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#3 [2024-11-28 02:43:44,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#2 [2024-11-28 02:43:44,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#10 [2024-11-28 02:43:44,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_cq_work [2024-11-28 02:43:44,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#9 [2024-11-28 02:43:44,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_create_send_desc [2024-11-28 02:43:44,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#8 [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_dma_direction [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kref_put [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sg_next [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_wait4flush [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset#11 [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sg_copy_from_buffer [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_init_zalloc [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_sg_dma_len [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#1 [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_post_recv [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#0 [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#3 [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#2 [2024-11-28 02:43:44,463 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_fast_reg_mr [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#5 [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#4 [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_dma_sync_single_for_device [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_free_login_buf [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_memset [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure complete [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ERR_PTR [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#7 [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#6 [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#9 [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __kmalloc [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy#8 [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure wait_for_completion [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure INIT_LIST_HEAD [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iscsit_priv_cmd [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_mutex_of_isert_conn [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_put_nopin [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_dma_unmap_single [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_init_send_wr [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fswab64 [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_post_response [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure call_and_disable_work_1 [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_alloc_fast_reg_mr [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure PTR_ERR [2024-11-28 02:43:44,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_np_accept_mutex_of_isert_np [2024-11-28 02:43:44,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_is_err [2024-11-28 02:43:44,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_completion_put [2024-11-28 02:43:44,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_reg_rdma [2024-11-28 02:43:44,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2024-11-28 02:43:44,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_rx_login_req [2024-11-28 02:43:44,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_np_accept_mutex_of_isert_np [2024-11-28 02:43:44,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2024-11-28 02:43:44,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_unmap_data_buf [2024-11-28 02:43:44,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_inv_rkey [2024-11-28 02:43:44,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure call_and_disable_all_1 [2024-11-28 02:43:44,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __init_work [2024-11-28 02:43:44,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_dma_sync_single_for_cpu [2024-11-28 02:43:44,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2024-11-28 02:43:44,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure warn_slowpath_null [2024-11-28 02:43:44,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_allocate_cmd [2024-11-28 02:43:44,466 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_sg_dma_address [2024-11-28 02:43:44,466 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_wait_conn [2024-11-28 02:43:44,466 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2024-11-28 02:43:44,466 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_post_recv [2024-11-28 02:43:44,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure list_del [2024-11-28 02:43:44,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __mutex_init [2024-11-28 02:43:44,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2024-11-28 02:43:44,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure queue_work_on [2024-11-28 02:43:44,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_do_control_comp [2024-11-28 02:43:44,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_put_conn [2024-11-28 02:43:44,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fswab16 [2024-11-28 02:43:44,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2024-11-28 02:43:44,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_rdma_post_recvl [2024-11-28 02:43:44,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_connect_release [2024-11-28 02:43:44,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_conn_free_fastreg_pool [2024-11-28 02:43:44,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure transport_send_check_condition_and_sense [2024-11-28 02:43:44,467 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure lockdep_init_map [2024-11-28 02:43:44,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_dma_mapping_error [2024-11-28 02:43:44,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_bh [2024-11-28 02:43:44,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2024-11-28 02:43:44,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_reg_sig_mr [2024-11-28 02:43:44,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure target_put_sess_cmd [2024-11-28 02:43:44,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_dma_map_single [2024-11-28 02:43:44,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_set_dif_domain [2024-11-28 02:43:44,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure queue_work [2024-11-28 02:43:44,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_dealloc_pd [2024-11-28 02:43:44,468 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_free_comps [2024-11-28 02:43:44,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ib_alloc_fast_reg_page_list [2024-11-28 02:43:44,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isert_conn_terminate [2024-11-28 02:43:44,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure transport_generic_free_cmd [2024-11-28 02:43:44,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_bh [2024-11-28 02:43:44,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure IS_ERR [2024-11-28 02:43:44,469 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iscsit_build_rsp_pdu [2024-11-28 02:43:44,579 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 799 nodes and edges [2024-11-28 02:43:44,594 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 318 nodes and edges [2024-11-28 02:43:44,605 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 119 nodes and edges [2024-11-28 02:43:44,611 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2024-11-28 02:43:44,615 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-28 02:43:44,620 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 02:43:44,624 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:43:44,629 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:43:44,633 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:43:44,706 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 2)) && (\old(ldv_mutex_device_list_mutex) == 1)) && (1 == \old(ldv_mutex_np_accept_mutex_of_isert_np))) [2024-11-28 02:43:45,094 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 2)) && (\old(ldv_mutex_device_list_mutex) == 1)) && (1 == \old(ldv_mutex_np_accept_mutex_of_isert_np))) [2024-11-28 02:43:45,184 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:43:45,184 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:43:45,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:43:45,185 INFO L158 Benchmark]: Toolchain (without parser) took 158362.72ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 72.4MB in the beginning and 948.6MB in the end (delta: -876.1MB). Peak memory consumption was 376.0MB. Max. memory is 16.1GB. [2024-11-28 02:43:45,186 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:43:45,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6070.43ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 72.2MB in the beginning and 48.9MB in the end (delta: 23.3MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. [2024-11-28 02:43:45,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 492.41ms. Allocated memory is still 184.5MB. Free memory was 48.9MB in the beginning and 52.1MB in the end (delta: -3.2MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2024-11-28 02:43:45,187 INFO L158 Benchmark]: Boogie Preprocessor took 3084.90ms. Allocated memory was 184.5MB in the beginning and 369.1MB in the end (delta: 184.5MB). Free memory was 52.1MB in the beginning and 209.2MB in the end (delta: -157.1MB). Peak memory consumption was 200.6MB. Max. memory is 16.1GB. [2024-11-28 02:43:45,187 INFO L158 Benchmark]: RCFGBuilder took 21499.96ms. Allocated memory was 369.1MB in the beginning and 528.5MB in the end (delta: 159.4MB). Free memory was 209.2MB in the beginning and 198.4MB in the end (delta: 10.8MB). Peak memory consumption was 293.0MB. Max. memory is 16.1GB. [2024-11-28 02:43:45,187 INFO L158 Benchmark]: TraceAbstraction took 126458.54ms. Allocated memory was 528.5MB in the beginning and 1.4GB in the end (delta: 838.9MB). Free memory was 198.4MB in the beginning and 1.1GB in the end (delta: -864.5MB). Peak memory consumption was 650.8MB. Max. memory is 16.1GB. [2024-11-28 02:43:45,187 INFO L158 Benchmark]: Witness Printer took 744.72ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 948.6MB in the end (delta: 114.3MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. [2024-11-28 02:43:45,189 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6070.43ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 72.2MB in the beginning and 48.9MB in the end (delta: 23.3MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 492.41ms. Allocated memory is still 184.5MB. Free memory was 48.9MB in the beginning and 52.1MB in the end (delta: -3.2MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3084.90ms. Allocated memory was 184.5MB in the beginning and 369.1MB in the end (delta: 184.5MB). Free memory was 52.1MB in the beginning and 209.2MB in the end (delta: -157.1MB). Peak memory consumption was 200.6MB. Max. memory is 16.1GB. * RCFGBuilder took 21499.96ms. Allocated memory was 369.1MB in the beginning and 528.5MB in the end (delta: 159.4MB). Free memory was 209.2MB in the beginning and 198.4MB in the end (delta: 10.8MB). Peak memory consumption was 293.0MB. Max. memory is 16.1GB. * TraceAbstraction took 126458.54ms. Allocated memory was 528.5MB in the beginning and 1.4GB in the end (delta: 838.9MB). Free memory was 198.4MB in the beginning and 1.1GB in the end (delta: -864.5MB). Peak memory consumption was 650.8MB. Max. memory is 16.1GB. * Witness Printer took 744.72ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 948.6MB in the end (delta: 114.3MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 9387]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [9387] - GenericResultAtLocation [Line: 9394]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [9394] - GenericResultAtLocation [Line: 9435]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [9435] - GenericResultAtLocation [Line: 9438]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9438] - GenericResultAtLocation [Line: 9441]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9441] - GenericResultAtLocation [Line: 9444]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9444] - GenericResultAtLocation [Line: 9532]: 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"); [9532-9533] - GenericResultAtLocation [Line: 9552]: 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"); [9552-9553] - GenericResultAtLocation [Line: 9557]: 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"); [9557-9558] - GenericResultAtLocation [Line: 9562]: 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"); [9562-9563] - GenericResultAtLocation [Line: 9567]: 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"); [9567-9568] - GenericResultAtLocation [Line: 10029]: 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)); [10029-10030] - GenericResultAtLocation [Line: 10037]: 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)); [10037-10038] - GenericResultAtLocation [Line: 10114]: 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)); [10114-10115] - GenericResultAtLocation [Line: 10143]: 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)); [10143-10144] - GenericResultAtLocation [Line: 10191]: 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)); [10191-10192] - GenericResultAtLocation [Line: 10200]: 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)); [10200-10201] - GenericResultAtLocation [Line: 10224]: 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)); [10224-10225] - GenericResultAtLocation [Line: 10254]: 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)); [10254-10255] - GenericResultAtLocation [Line: 10284]: 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)); [10284-10285] - GenericResultAtLocation [Line: 11596]: 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/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/4833/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/ulp/isert/ib_isert.c"), "i" (808), "i" (12UL)); [11596-11597] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 16134]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 156 procedures, 2824 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 36.3s, OverallIterations: 11, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 17.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 26093 SdHoareTripleChecker+Valid, 12.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26093 mSDsluCounter, 58059 SdHoareTripleChecker+Invalid, 12.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15482 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 42577 mSDtfsCounter, 72 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5297occurred in iteration=9, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 33 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1227 NumberOfCodeBlocks, 1227 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1216 ConstructedInterpolants, 0 QuantifiedInterpolants, 1700 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 681/681 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 14674]: Loop Invariant Derived loop invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) - InvariantResult [Line: 13847]: Location Invariant Derived location invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) - InvariantResult [Line: 10834]: Location Invariant Derived location invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) - InvariantResult [Line: 11221]: Location Invariant Derived location invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) - InvariantResult [Line: 13826]: Location Invariant Derived location invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) - InvariantResult [Line: 14670]: Loop Invariant Derived loop invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) - InvariantResult [Line: 14219]: Location Invariant Derived location invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) - InvariantResult [Line: 14533]: Location Invariant Derived location invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) - InvariantResult [Line: 14751]: Location Invariant Derived location invariant: ((((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 2)) && (\old(ldv_mutex_device_list_mutex) == 1)) && (1 == \old(ldv_mutex_np_accept_mutex_of_isert_np))) - InvariantResult [Line: 14496]: Location Invariant Derived location invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) - InvariantResult [Line: 11336]: Location Invariant Derived location invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) - InvariantResult [Line: 11154]: Location Invariant Derived location invariant: (((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) || ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 2))) - InvariantResult [Line: 14574]: Location Invariant Derived location invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) - InvariantResult [Line: 14661]: Loop Invariant Derived loop invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) - InvariantResult [Line: 11336]: Location Invariant Derived location invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) - InvariantResult [Line: 10786]: Location Invariant Derived location invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) - InvariantResult [Line: 14665]: Loop Invariant Derived loop invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) - InvariantResult [Line: 13649]: Location Invariant Derived location invariant: ((((((ldv_mutex_device_list_mutex == 1) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_mutex_of_isert_conn == 1)) && (ldv_mutex_i_mutex_of_inode == 1)) && (ldv_mutex_lock == 1)) && (ldv_mutex_np_accept_mutex_of_isert_np == 1)) RESULT: Ultimate proved your program to be correct! [2024-11-28 02:43:45,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc4cfa6-f16f-470e-86bb-f0ed8c7c6c25/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE