./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/bin/uautomizer-verify-bycVGegfSx --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 b01f589d408f6e26ea7a63733affb8614d3f46d7c24e67c8e520356eb639cf0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 20:56:54,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 20:56:54,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 20:56:54,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 20:56:54,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 20:56:54,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 20:56:54,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 20:56:54,467 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 20:56:54,470 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 20:56:54,476 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 20:56:54,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 20:56:54,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 20:56:54,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 20:56:54,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 20:56:54,481 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 20:56:54,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 20:56:54,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 20:56:54,483 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 20:56:54,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 20:56:54,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 20:56:54,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 20:56:54,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 20:56:54,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 20:56:54,487 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 20:56:54,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 20:56:54,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 20:56:54,489 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 20:56:54,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 20:56:54,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:56:54,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 20:56:54,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 20:56:54,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 20:56:54,492 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 20:56:54,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 20:56:54,493 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 20:56:54,494 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 20:56:54,494 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 20:56:54,494 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 20:56:54,494 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 20:56:54,495 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b01f589d408f6e26ea7a63733affb8614d3f46d7c24e67c8e520356eb639cf0d [2023-11-21 20:56:54,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 20:56:54,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 20:56:54,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 20:56:54,806 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 20:56:54,806 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 20:56:54,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2023-11-21 20:56:58,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 20:56:59,222 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 20:56:59,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2023-11-21 20:56:59,339 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/bin/uautomizer-verify-bycVGegfSx/data/b3e607426/2158b318a9894cddab24281ee571c76c/FLAGd3c6f4af3 [2023-11-21 20:56:59,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/bin/uautomizer-verify-bycVGegfSx/data/b3e607426/2158b318a9894cddab24281ee571c76c [2023-11-21 20:56:59,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 20:56:59,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 20:56:59,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 20:56:59,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 20:56:59,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 20:56:59,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:56:59" (1/1) ... [2023-11-21 20:56:59,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@758fff2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:56:59, skipping insertion in model container [2023-11-21 20:56:59,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 08:56:59" (1/1) ... [2023-11-21 20:56:59,634 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 20:57:03,856 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[472306,472319] [2023-11-21 20:57:03,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:04,008 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 20:57:04,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [9396] [2023-11-21 20:57:04,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [9403] [2023-11-21 20:57:04,357 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [9575] [2023-11-21 20:57:04,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9578] [2023-11-21 20:57:04,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9581] [2023-11-21 20:57:04,359 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9584] [2023-11-21 20:57:04,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [9638-9639] [2023-11-21 20:57:04,462 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [9658-9659] [2023-11-21 20:57:04,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [9663-9664] [2023-11-21 20:57:04,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [9668-9669] [2023-11-21 20:57:04,464 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [9673-9674] [2023-11-21 20:57:04,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (123), "i" (12UL)); [9949-9950] [2023-11-21 20:57:04,473 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (124), "i" (12UL)); [9957-9958] [2023-11-21 20:57:04,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [10034-10035] [2023-11-21 20:57:04,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [10063-10064] [2023-11-21 20:57:04,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (56), "i" (12UL)); [10111-10112] [2023-11-21 20:57:04,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (58), "i" (12UL)); [10120-10121] [2023-11-21 20:57:04,497 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (70), "i" (12UL)); [10144-10145] [2023-11-21 20:57:04,499 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [10174-10175] [2023-11-21 20:57:04,500 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (120), "i" (12UL)); [10204-10205] [2023-11-21 20:57:04,699 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/753/dscv_tempdir/dscv/ri/43_2a/drivers/infiniband/ulp/isert/ib_isert.c"), "i" (808), "i" (12UL)); [11532-11533] [2023-11-21 20:57:05,168 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[472306,472319] [2023-11-21 20:57:05,181 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 20:57:05,324 WARN L675 CHandler]: The function ldv_calloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:57:05,324 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:57:05,324 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:57:05,324 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 20:57:05,334 INFO L206 MainTranslator]: Completed translation [2023-11-21 20:57:05,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:05 WrapperNode [2023-11-21 20:57:05,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 20:57:05,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:05,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 20:57:05,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 20:57:05,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:05" (1/1) ... [2023-11-21 20:57:05,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:05" (1/1) ... [2023-11-21 20:57:05,907 INFO L138 Inliner]: procedures = 390, calls = 2850, calls flagged for inlining = 203, calls inlined = 169, statements flattened = 7282 [2023-11-21 20:57:05,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 20:57:05,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 20:57:05,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 20:57:05,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 20:57:05,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:05" (1/1) ... [2023-11-21 20:57:05,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:05" (1/1) ... [2023-11-21 20:57:06,016 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:05" (1/1) ... [2023-11-21 20:57:09,053 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memcpy is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 20:57:09,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:05" (1/1) ... [2023-11-21 20:57:09,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:05" (1/1) ... [2023-11-21 20:57:09,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:05" (1/1) ... [2023-11-21 20:57:09,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:05" (1/1) ... [2023-11-21 20:57:09,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:05" (1/1) ... [2023-11-21 20:57:09,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:05" (1/1) ... [2023-11-21 20:57:09,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 20:57:09,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 20:57:09,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 20:57:09,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 20:57:09,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:05" (1/1) ... [2023-11-21 20:57:09,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 20:57:09,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 20:57:09,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 20:57:09,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34132dcc-5606-456e-b661-dacdbdc3da73/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 20:57:09,693 INFO L130 BoogieDeclarations]: Found specification of procedure ib_wc_status_msg [2023-11-21 20:57:09,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_wc_status_msg [2023-11-21 20:57:09,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-21 20:57:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-21 20:57:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure isert_setup_id [2023-11-21 20:57:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_setup_id [2023-11-21 20:57:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-21 20:57:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-21 20:57:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 20:57:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 20:57:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-21 20:57:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-21 20:57:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-11-21 20:57:09,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-11-21 20:57:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_stop_dataout_timer [2023-11-21 20:57:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_stop_dataout_timer [2023-11-21 20:57:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_destroy_id [2023-11-21 20:57:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_destroy_id [2023-11-21 20:57:09,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-21 20:57:09,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-21 20:57:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure isert_cq_work [2023-11-21 20:57:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_cq_work [2023-11-21 20:57:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-21 20:57:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-21 20:57:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_recv [2023-11-21 20:57:09,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_recv [2023-11-21 20:57:09,702 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_device [2023-11-21 20:57:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_device [2023-11-21 20:57:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 20:57:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_single [2023-11-21 20:57:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_single [2023-11-21 20:57:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_send_wr [2023-11-21 20:57:09,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_send_wr [2023-11-21 20:57:09,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-21 20:57:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-21 20:57:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 20:57:09,704 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 20:57:09,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 20:57:09,705 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_address [2023-11-21 20:57:09,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_address [2023-11-21 20:57:09,706 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait_conn [2023-11-21 20:57:09,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait_conn [2023-11-21 20:57:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2023-11-21 20:57:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2023-11-21 20:57:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-21 20:57:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-21 20:57:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-21 20:57:09,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-21 20:57:09,707 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_map_single [2023-11-21 20:57:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_map_single [2023-11-21 20:57:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 20:57:09,708 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_terminate [2023-11-21 20:57:09,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_terminate [2023-11-21 20:57:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-21 20:57:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-21 20:57:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 20:57:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure isert_prot_cmd [2023-11-21 20:57:09,709 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_prot_cmd [2023-11-21 20:57:09,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 20:57:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-21 20:57:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-21 20:57:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2023-11-21 20:57:09,710 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2023-11-21 20:57:09,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 20:57:09,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 20:57:09,711 INFO L130 BoogieDeclarations]: Found specification of procedure isert_release_work [2023-11-21 20:57:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_release_work [2023-11-21 20:57:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-21 20:57:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-21 20:57:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_np [2023-11-21 20:57:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_np [2023-11-21 20:57:09,712 INFO L130 BoogieDeclarations]: Found specification of procedure isert_comp_put [2023-11-21 20:57:09,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_comp_put [2023-11-21 20:57:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-21 20:57:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-21 20:57:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-21 20:57:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-21 20:57:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-11-21 20:57:09,713 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-11-21 20:57:09,713 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_from_buffer [2023-11-21 20:57:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_from_buffer [2023-11-21 20:57:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-21 20:57:09,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-21 20:57:09,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 20:57:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-21 20:57:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-21 20:57:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 20:57:09,715 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-21 20:57:09,715 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-21 20:57:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 20:57:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 20:57:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 20:57:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 20:57:09,716 INFO L130 BoogieDeclarations]: Found specification of procedure isert_completion_put [2023-11-21 20:57:09,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_completion_put [2023-11-21 20:57:09,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-21 20:57:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-21 20:57:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_data_buf [2023-11-21 20:57:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_data_buf [2023-11-21 20:57:09,718 INFO L130 BoogieDeclarations]: Found specification of procedure isert_inv_rkey [2023-11-21 20:57:09,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_inv_rkey [2023-11-21 20:57:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-21 20:57:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-21 20:57:09,719 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_cpu [2023-11-21 20:57:09,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_cpu [2023-11-21 20:57:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-21 20:57:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-21 20:57:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure isert_allocate_cmd [2023-11-21 20:57:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_allocate_cmd [2023-11-21 20:57:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure isert_do_control_comp [2023-11-21 20:57:09,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_do_control_comp [2023-11-21 20:57:09,720 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_conn [2023-11-21 20:57:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_conn [2023-11-21 20:57:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure isert_connect_release [2023-11-21 20:57:09,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_connect_release [2023-11-21 20:57:09,721 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_comps [2023-11-21 20:57:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_comps [2023-11-21 20:57:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 20:57:09,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 20:57:09,722 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-21 20:57:09,723 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-21 20:57:09,723 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 20:57:09,724 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 20:57:09,724 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-21 20:57:09,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-21 20:57:09,725 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-21 20:57:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-21 20:57:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 20:57:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 20:57:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure isert_device_put [2023-11-21 20:57:09,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_device_put [2023-11-21 20:57:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-21 20:57:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-21 20:57:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure isert_map_data_buf [2023-11-21 20:57:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_map_data_buf [2023-11-21 20:57:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-21 20:57:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-21 20:57:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_conn [2023-11-21 20:57:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_conn [2023-11-21 20:57:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2023-11-21 20:57:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2023-11-21 20:57:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_tx_hdrs [2023-11-21 20:57:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_tx_hdrs [2023-11-21 20:57:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-21 20:57:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-21 20:57:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-21 20:57:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-21 20:57:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_fast_reg_page_list [2023-11-21 20:57:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_fast_reg_page_list [2023-11-21 20:57:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-21 20:57:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-21 20:57:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 20:57:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 20:57:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure isert_aborted_task [2023-11-21 20:57:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_aborted_task [2023-11-21 20:57:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-21 20:57:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-21 20:57:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-21 20:57:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-21 20:57:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_response [2023-11-21 20:57:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_response [2023-11-21 20:57:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait4flush [2023-11-21 20:57:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait4flush [2023-11-21 20:57:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 20:57:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 20:57:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 20:57:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 20:57:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_login_buf [2023-11-21 20:57:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_login_buf [2023-11-21 20:57:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-21 20:57:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-21 20:57:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 20:57:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-21 20:57:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-21 20:57:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_priv_cmd [2023-11-21 20:57:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_priv_cmd [2023-11-21 20:57:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_nopin [2023-11-21 20:57:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_nopin [2023-11-21 20:57:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 20:57:09,742 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-21 20:57:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-21 20:57:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-21 20:57:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-21 20:57:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_rdma [2023-11-21 20:57:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_rdma [2023-11-21 20:57:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 20:57:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 20:57:09,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 20:57:09,743 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_recv [2023-11-21 20:57:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_recv [2023-11-21 20:57:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-21 20:57:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-21 20:57:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-21 20:57:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-21 20:57:09,744 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-21 20:57:09,744 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-21 20:57:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-21 20:57:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-21 20:57:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rdma_post_recvl [2023-11-21 20:57:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rdma_post_recvl [2023-11-21 20:57:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-21 20:57:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-21 20:57:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_free_fastreg_pool [2023-11-21 20:57:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_free_fastreg_pool [2023-11-21 20:57:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure transport_send_check_condition_and_sense [2023-11-21 20:57:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_send_check_condition_and_sense [2023-11-21 20:57:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-21 20:57:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-21 20:57:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_sig_mr [2023-11-21 20:57:09,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_sig_mr [2023-11-21 20:57:09,746 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2023-11-21 20:57:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2023-11-21 20:57:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_tx_desc [2023-11-21 20:57:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_tx_desc [2023-11-21 20:57:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-21 20:57:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-21 20:57:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-21 20:57:09,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-21 20:57:09,747 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2023-11-21 20:57:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2023-11-21 20:57:09,748 INFO L130 BoogieDeclarations]: Found specification of procedure isert_handle_prot_cmd [2023-11-21 20:57:09,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_handle_prot_cmd [2023-11-21 20:57:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2023-11-21 20:57:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2023-11-21 20:57:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2023-11-21 20:57:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2023-11-21 20:57:09,750 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 20:57:09,750 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 20:57:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure isert_check_pi_status [2023-11-21 20:57:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_check_pi_status [2023-11-21 20:57:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-21 20:57:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-21 20:57:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 20:57:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure isert_create_send_desc [2023-11-21 20:57:09,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_create_send_desc [2023-11-21 20:57:09,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-21 20:57:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-21 20:57:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_len [2023-11-21 20:57:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_len [2023-11-21 20:57:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure isert_fast_reg_mr [2023-11-21 20:57:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_fast_reg_mr [2023-11-21 20:57:09,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-21 20:57:09,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-21 20:57:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-21 20:57:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-21 20:57:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_response [2023-11-21 20:57:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_response [2023-11-21 20:57:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_mr [2023-11-21 20:57:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_mr [2023-11-21 20:57:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-21 20:57:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-21 20:57:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rx_login_req [2023-11-21 20:57:09,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rx_login_req [2023-11-21 20:57:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-21 20:57:09,759 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-21 20:57:09,759 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_mapping_error [2023-11-21 20:57:09,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_mapping_error [2023-11-21 20:57:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 20:57:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-21 20:57:09,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-21 20:57:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure target_put_sess_cmd [2023-11-21 20:57:09,760 INFO L138 BoogieDeclarations]: Found implementation of procedure target_put_sess_cmd [2023-11-21 20:57:09,760 INFO L130 BoogieDeclarations]: Found specification of procedure isert_set_dif_domain [2023-11-21 20:57:09,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_set_dif_domain [2023-11-21 20:57:09,763 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-21 20:57:09,764 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-21 20:57:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2023-11-21 20:57:09,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2023-11-21 20:57:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_page_list [2023-11-21 20:57:09,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_page_list [2023-11-21 20:57:09,764 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_build_rsp_pdu [2023-11-21 20:57:09,764 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_build_rsp_pdu [2023-11-21 20:57:11,275 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 20:57:11,281 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 20:57:11,544 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-21 20:57:21,219 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 20:57:25,861 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 20:57:25,862 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 20:57:25,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:25 BoogieIcfgContainer [2023-11-21 20:57:25,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 20:57:25,868 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 20:57:25,869 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 20:57:25,873 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 20:57:25,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 08:56:59" (1/3) ... [2023-11-21 20:57:25,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32af3383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:57:25, skipping insertion in model container [2023-11-21 20:57:25,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 08:57:05" (2/3) ... [2023-11-21 20:57:25,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32af3383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 08:57:25, skipping insertion in model container [2023-11-21 20:57:25,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 08:57:25" (3/3) ... [2023-11-21 20:57:25,876 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2023-11-21 20:57:25,901 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 20:57:25,901 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 20:57:26,046 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 20:57:26,057 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@98b88ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 20:57:26,057 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 20:57:26,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 2184 states, 1347 states have (on average 1.3170007423904975) internal successors, (1774), 1400 states have internal predecessors, (1774), 709 states have call successors, (709), 127 states have call predecessors, (709), 126 states have return successors, (703), 692 states have call predecessors, (703), 703 states have call successors, (703) [2023-11-21 20:57:26,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 20:57:26,106 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 20:57:26,107 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 20:57:26,108 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 20:57:26,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 20:57:26,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1914882540, now seen corresponding path program 1 times [2023-11-21 20:57:26,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 20:57:26,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388430354] [2023-11-21 20:57:26,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 20:57:26,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 20:57:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:27,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:57:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:27,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:57:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 20:57:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:27,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-21 20:57:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:27,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:57:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:27,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-21 20:57:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:27,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:57:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:27,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-21 20:57:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:27,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:57:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:27,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-21 20:57:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:27,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 20:57:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 20:57:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 20:57:27,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 20:57:27,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388430354] [2023-11-21 20:57:27,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388430354] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 20:57:27,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 20:57:27,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 20:57:27,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026785425] [2023-11-21 20:57:27,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 20:57:27,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 20:57:27,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 20:57:27,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 20:57:27,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 20:57:27,691 INFO L87 Difference]: Start difference. First operand has 2184 states, 1347 states have (on average 1.3170007423904975) internal successors, (1774), 1400 states have internal predecessors, (1774), 709 states have call successors, (709), 127 states have call predecessors, (709), 126 states have return successors, (703), 692 states have call predecessors, (703), 703 states have call successors, (703) Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-21 20:57:30,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 20:57:32,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []