./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 9bd2c7ff 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_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/bin/uautomizer-verify-uCwYo4JHxu/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_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/bin/uautomizer-verify-uCwYo4JHxu --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 d57db9f03a5170fd6970a4ac4989029ee35a0e85ad6a1c5337395bb7ff185d1b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:40:23,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:40:23,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:40:23,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:40:23,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:40:23,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:40:23,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:40:23,613 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:40:23,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:40:23,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:40:23,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:40:23,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:40:23,616 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:40:23,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:40:23,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:40:23,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:40:23,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:40:23,619 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:40:23,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:40:23,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:40:23,621 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:40:23,622 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:40:23,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:40:23,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:40:23,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:40:23,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:23,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:40:23,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:40:23,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:40:23,648 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:40:23,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:40:23,650 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:40:23,650 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:40:23,650 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:40:23,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:40:23,651 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:40:23,651 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_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d57db9f03a5170fd6970a4ac4989029ee35a0e85ad6a1c5337395bb7ff185d1b [2023-11-19 07:40:23,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:40:23,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:40:23,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:40:23,987 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:40:23,988 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:40:23,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/bin/uautomizer-verify-uCwYo4JHxu/../../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 [2023-11-19 07:40:27,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:40:27,903 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:40:27,904 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/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 [2023-11-19 07:40:27,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/bin/uautomizer-verify-uCwYo4JHxu/data/948124d1d/4bfda9d701bb42b0926e1ad9c0cc1b7a/FLAGff95ad8c1 [2023-11-19 07:40:27,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/bin/uautomizer-verify-uCwYo4JHxu/data/948124d1d/4bfda9d701bb42b0926e1ad9c0cc1b7a [2023-11-19 07:40:27,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:40:27,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:40:27,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:27,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:40:27,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:40:28,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:27" (1/1) ... [2023-11-19 07:40:28,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5306914b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:28, skipping insertion in model container [2023-11-19 07:40:28,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:27" (1/1) ... [2023-11-19 07:40:28,222 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:40:32,696 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_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/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] [2023-11-19 07:40:33,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:33,180 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:40:33,429 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [9387] [2023-11-19 07:40:33,431 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [9394] [2023-11-19 07:40:33,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [9435] [2023-11-19 07:40:33,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9438] [2023-11-19 07:40:33,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9441] [2023-11-19 07:40:33,434 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9444] [2023-11-19 07:40:33,437 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] [2023-11-19 07:40:33,438 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] [2023-11-19 07:40:33,439 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] [2023-11-19 07:40:33,440 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] [2023-11-19 07:40:33,440 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] [2023-11-19 07:40:33,452 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] [2023-11-19 07:40:33,453 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] [2023-11-19 07:40:33,458 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] [2023-11-19 07:40:33,460 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] [2023-11-19 07:40:33,462 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] [2023-11-19 07:40:33,463 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] [2023-11-19 07:40:33,464 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] [2023-11-19 07:40:33,466 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] [2023-11-19 07:40:33,467 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] [2023-11-19 07:40:33,671 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] [2023-11-19 07:40:34,006 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_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/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] [2023-11-19 07:40:34,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:34,227 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:40:34,227 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:40:34,228 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:40:34,236 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:40:34,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:34 WrapperNode [2023-11-19 07:40:34,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:34,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:34,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:40:34,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:40:34,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:34" (1/1) ... [2023-11-19 07:40:34,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:34" (1/1) ... [2023-11-19 07:40:34,732 INFO L138 Inliner]: procedures = 483, calls = 3016, calls flagged for inlining = 237, calls inlined = 184, statements flattened = 7455 [2023-11-19 07:40:34,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:34,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:40:34,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:40:34,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:40:34,745 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:34" (1/1) ... [2023-11-19 07:40:34,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:34" (1/1) ... [2023-11-19 07:40:34,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:34" (1/1) ... [2023-11-19 07:40:34,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:34" (1/1) ... [2023-11-19 07:40:35,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:34" (1/1) ... [2023-11-19 07:40:35,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:34" (1/1) ... [2023-11-19 07:40:35,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:34" (1/1) ... [2023-11-19 07:40:35,135 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:34" (1/1) ... [2023-11-19 07:40:35,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:40:35,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:40:35,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:40:35,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:40:35,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:34" (1/1) ... [2023-11-19 07:40:35,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:40:35,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:35,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:35,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fbbadcd-1c98-4bf0-866f-063dd37ab7c0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:40:35,354 INFO L130 BoogieDeclarations]: Found specification of procedure ib_wc_status_msg [2023-11-19 07:40:35,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_wc_status_msg [2023-11-19 07:40:35,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:40:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:40:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure isert_setup_id [2023-11-19 07:40:35,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_setup_id [2023-11-19 07:40:35,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:40:35,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:40:35,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_isert_conn [2023-11-19 07:40:35,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_isert_conn [2023-11-19 07:40:35,358 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-19 07:40:35,359 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-19 07:40:35,360 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-11-19 07:40:35,361 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-11-19 07:40:35,361 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_stop_dataout_timer [2023-11-19 07:40:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_stop_dataout_timer [2023-11-19 07:40:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_destroy_id [2023-11-19 07:40:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_destroy_id [2023-11-19 07:40:35,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:40:35,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:40:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure isert_cq_work [2023-11-19 07:40:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_cq_work [2023-11-19 07:40:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:40:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:40:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_recv [2023-11-19 07:40:35,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_recv [2023-11-19 07:40:35,363 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_device [2023-11-19 07:40:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_device [2023-11-19 07:40:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:40:35,364 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:40:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:40:35,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_isert_conn [2023-11-19 07:40:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_isert_conn [2023-11-19 07:40:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_single [2023-11-19 07:40:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_single [2023-11-19 07:40:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_send_wr [2023-11-19 07:40:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_send_wr [2023-11-19 07:40:35,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_np_accept_mutex_of_isert_np [2023-11-19 07:40:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_np_accept_mutex_of_isert_np [2023-11-19 07:40:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:40:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:40:35,366 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:40:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:40:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_np_accept_mutex_of_isert_np [2023-11-19 07:40:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_np_accept_mutex_of_isert_np [2023-11-19 07:40:35,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:40:35,368 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_address [2023-11-19 07:40:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_address [2023-11-19 07:40:35,369 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait_conn [2023-11-19 07:40:35,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait_conn [2023-11-19 07:40:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2023-11-19 07:40:35,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2023-11-19 07:40:35,370 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 07:40:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 07:40:35,371 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-19 07:40:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-19 07:40:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_map_single [2023-11-19 07:40:35,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_map_single [2023-11-19 07:40:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:40:35,372 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_terminate [2023-11-19 07:40:35,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_terminate [2023-11-19 07:40:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:40:35,373 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:40:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:40:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure isert_prot_cmd [2023-11-19 07:40:35,373 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_prot_cmd [2023-11-19 07:40:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:40:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:40:35,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:40:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2023-11-19 07:40:35,375 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2023-11-19 07:40:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:40:35,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:40:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure isert_release_work [2023-11-19 07:40:35,376 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_release_work [2023-11-19 07:40:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_np [2023-11-19 07:40:35,376 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_np [2023-11-19 07:40:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure isert_comp_put [2023-11-19 07:40:35,376 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_comp_put [2023-11-19 07:40:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 07:40:35,376 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 07:40:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 07:40:35,377 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 07:40:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-11-19 07:40:35,377 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-11-19 07:40:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_from_buffer [2023-11-19 07:40:35,377 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_from_buffer [2023-11-19 07:40:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:40:35,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:40:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:40:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-19 07:40:35,379 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-19 07:40:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:40:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-19 07:40:35,380 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-19 07:40:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:40:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:40:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:40:35,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:40:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure isert_completion_put [2023-11-19 07:40:35,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_completion_put [2023-11-19 07:40:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 07:40:35,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 07:40:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_data_buf [2023-11-19 07:40:35,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_data_buf [2023-11-19 07:40:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure isert_inv_rkey [2023-11-19 07:40:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_inv_rkey [2023-11-19 07:40:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 07:40:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 07:40:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_cpu [2023-11-19 07:40:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_cpu [2023-11-19 07:40:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:40:35,384 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:40:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure isert_allocate_cmd [2023-11-19 07:40:35,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_allocate_cmd [2023-11-19 07:40:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure isert_do_control_comp [2023-11-19 07:40:35,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_do_control_comp [2023-11-19 07:40:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_conn [2023-11-19 07:40:35,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_conn [2023-11-19 07:40:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure isert_connect_release [2023-11-19 07:40:35,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_connect_release [2023-11-19 07:40:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_comps [2023-11-19 07:40:35,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_comps [2023-11-19 07:40:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:40:35,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:40:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-19 07:40:35,388 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-19 07:40:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:40:35,388 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:40:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 07:40:35,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 07:40:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 07:40:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 07:40:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:40:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:40:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure isert_device_put [2023-11-19 07:40:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_device_put [2023-11-19 07:40:35,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:40:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:40:35,396 INFO L130 BoogieDeclarations]: Found specification of procedure isert_map_data_buf [2023-11-19 07:40:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_map_data_buf [2023-11-19 07:40:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 07:40:35,402 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 07:40:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_conn [2023-11-19 07:40:35,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_conn [2023-11-19 07:40:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2023-11-19 07:40:35,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2023-11-19 07:40:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_tx_hdrs [2023-11-19 07:40:35,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_tx_hdrs [2023-11-19 07:40:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-19 07:40:35,403 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-19 07:40:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-19 07:40:35,404 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-19 07:40:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_fast_reg_page_list [2023-11-19 07:40:35,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_fast_reg_page_list [2023-11-19 07:40:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-19 07:40:35,404 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-19 07:40:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:40:35,405 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:40:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure isert_aborted_task [2023-11-19 07:40:35,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_aborted_task [2023-11-19 07:40:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:40:35,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:40:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-19 07:40:35,406 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-19 07:40:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_response [2023-11-19 07:40:35,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_response [2023-11-19 07:40:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait4flush [2023-11-19 07:40:35,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait4flush [2023-11-19 07:40:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:40:35,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:40:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:40:35,407 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:40:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 07:40:35,407 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 07:40:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_login_buf [2023-11-19 07:40:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_login_buf [2023-11-19 07:40:35,408 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 07:40:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 07:40:35,408 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-19 07:40:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-19 07:40:35,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:40:35,408 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:40:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:40:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_priv_cmd [2023-11-19 07:40:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_priv_cmd [2023-11-19 07:40:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_nopin [2023-11-19 07:40:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_nopin [2023-11-19 07:40:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:40:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-19 07:40:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-19 07:40:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_rdma [2023-11-19 07:40:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_rdma [2023-11-19 07:40:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:40:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:40:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:40:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_recv [2023-11-19 07:40:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_recv [2023-11-19 07:40:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-19 07:40:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-19 07:40:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:40:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:40:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-19 07:40:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-19 07:40:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 07:40:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 07:40:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 07:40:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 07:40:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rdma_post_recvl [2023-11-19 07:40:35,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rdma_post_recvl [2023-11-19 07:40:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_free_fastreg_pool [2023-11-19 07:40:35,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_free_fastreg_pool [2023-11-19 07:40:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure transport_send_check_condition_and_sense [2023-11-19 07:40:35,413 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_send_check_condition_and_sense [2023-11-19 07:40:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 07:40:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 07:40:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_sig_mr [2023-11-19 07:40:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_sig_mr [2023-11-19 07:40:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2023-11-19 07:40:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2023-11-19 07:40:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_tx_desc [2023-11-19 07:40:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_tx_desc [2023-11-19 07:40:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 07:40:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 07:40:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_device_list_mutex [2023-11-19 07:40:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_device_list_mutex [2023-11-19 07:40:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_device_list_mutex [2023-11-19 07:40:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_device_list_mutex [2023-11-19 07:40:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-19 07:40:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-19 07:40:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2023-11-19 07:40:35,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2023-11-19 07:40:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure isert_handle_prot_cmd [2023-11-19 07:40:35,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_handle_prot_cmd [2023-11-19 07:40:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2023-11-19 07:40:35,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2023-11-19 07:40:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2023-11-19 07:40:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2023-11-19 07:40:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:40:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:40:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure isert_check_pi_status [2023-11-19 07:40:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_check_pi_status [2023-11-19 07:40:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-19 07:40:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-19 07:40:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:40:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure isert_create_send_desc [2023-11-19 07:40:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_create_send_desc [2023-11-19 07:40:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:40:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:40:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_len [2023-11-19 07:40:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_len [2023-11-19 07:40:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure isert_fast_reg_mr [2023-11-19 07:40:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_fast_reg_mr [2023-11-19 07:40:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:40:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:40:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-19 07:40:35,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-19 07:40:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_response [2023-11-19 07:40:35,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_response [2023-11-19 07:40:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_mr [2023-11-19 07:40:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_mr [2023-11-19 07:40:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 07:40:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 07:40:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rx_login_req [2023-11-19 07:40:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rx_login_req [2023-11-19 07:40:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-19 07:40:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-19 07:40:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_mapping_error [2023-11-19 07:40:35,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_mapping_error [2023-11-19 07:40:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:40:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:40:35,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:40:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure target_put_sess_cmd [2023-11-19 07:40:35,430 INFO L138 BoogieDeclarations]: Found implementation of procedure target_put_sess_cmd [2023-11-19 07:40:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure isert_set_dif_domain [2023-11-19 07:40:35,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_set_dif_domain [2023-11-19 07:40:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-19 07:40:35,431 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-19 07:40:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2023-11-19 07:40:35,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2023-11-19 07:40:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_page_list [2023-11-19 07:40:35,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_page_list [2023-11-19 07:40:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_build_rsp_pdu [2023-11-19 07:40:35,432 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_build_rsp_pdu [2023-11-19 07:40:36,593 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:40:36,605 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:40:36,891 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:40:46,155 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:40:46,190 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:40:46,190 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:40:46,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:46 BoogieIcfgContainer [2023-11-19 07:40:46,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:40:46,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:40:46,215 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:40:46,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:40:46,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:40:27" (1/3) ... [2023-11-19 07:40:46,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278e2fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:46, skipping insertion in model container [2023-11-19 07:40:46,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:34" (2/3) ... [2023-11-19 07:40:46,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278e2fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:40:46, skipping insertion in model container [2023-11-19 07:40:46,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:46" (3/3) ... [2023-11-19 07:40:46,223 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2023-11-19 07:40:46,245 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:40:46,245 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:40:46,375 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:40:46,385 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;@4fb5da88, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:40:46,385 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:40:46,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 2688 states, 1820 states have (on average 1.3186813186813187) internal successors, (2400), 1880 states have internal predecessors, (2400), 734 states have call successors, (734), 133 states have call predecessors, (734), 132 states have return successors, (728), 717 states have call predecessors, (728), 728 states have call successors, (728) [2023-11-19 07:40:46,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 07:40:46,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:40:46,448 INFO L195 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] [2023-11-19 07:40:46,449 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:40:46,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:46,457 INFO L85 PathProgramCache]: Analyzing trace with hash 66636894, now seen corresponding path program 1 times [2023-11-19 07:40:46,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:46,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067589777] [2023-11-19 07:40:46,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:46,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:47,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:40:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:47,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:47,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:40:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:47,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:40:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:47,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 07:40:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:47,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:47,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:40:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:47,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:47,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-19 07:40:47,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:47,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:40:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:47,694 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-19 07:40:47,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:40:47,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067589777] [2023-11-19 07:40:47,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067589777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:40:47,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:40:47,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:40:47,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20664252] [2023-11-19 07:40:47,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:40:47,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:40:47,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:40:47,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:40:47,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:40:47,763 INFO L87 Difference]: Start difference. First operand has 2688 states, 1820 states have (on average 1.3186813186813187) internal successors, (2400), 1880 states have internal predecessors, (2400), 734 states have call successors, (734), 133 states have call predecessors, (734), 132 states have return successors, (728), 717 states have call predecessors, (728), 728 states have call successors, (728) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:40:51,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:40:53,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:40:55,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:41:08,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:08,846 INFO L93 Difference]: Finished difference Result 6294 states and 9501 transitions. [2023-11-19 07:41:08,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:41:08,849 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (11), 5 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 [2023-11-19 07:41:08,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:41:08,905 INFO L225 Difference]: With dead ends: 6294 [2023-11-19 07:41:08,905 INFO L226 Difference]: Without dead ends: 3588 [2023-11-19 07:41:08,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:41:08,943 INFO L413 NwaCegarLoop]: 2776 mSDtfsCounter, 2617 mSDsluCounter, 4440 mSDsCounter, 0 mSdLazyCounter, 4111 mSolverCounterSat, 2388 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2716 SdHoareTripleChecker+Valid, 7216 SdHoareTripleChecker+Invalid, 6502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2388 IncrementalHoareTripleChecker+Valid, 4111 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:41:08,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2716 Valid, 7216 Invalid, 6502 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2388 Valid, 4111 Invalid, 3 Unknown, 0 Unchecked, 20.3s Time] [2023-11-19 07:41:08,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3588 states. [2023-11-19 07:41:09,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3588 to 2665. [2023-11-19 07:41:09,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2665 states, 1805 states have (on average 1.30803324099723) internal successors, (2361), 1857 states have internal predecessors, (2361), 728 states have call successors, (728), 132 states have call predecessors, (728), 131 states have return successors, (716), 705 states have call predecessors, (716), 716 states have call successors, (716) [2023-11-19 07:41:09,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2665 states and 3805 transitions. [2023-11-19 07:41:09,329 INFO L78 Accepts]: Start accepts. Automaton has 2665 states and 3805 transitions. Word has length 86 [2023-11-19 07:41:09,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:41:09,330 INFO L495 AbstractCegarLoop]: Abstraction has 2665 states and 3805 transitions. [2023-11-19 07:41:09,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (11), 5 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-19 07:41:09,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 3805 transitions. [2023-11-19 07:41:09,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 07:41:09,336 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:41:09,336 INFO L195 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] [2023-11-19 07:41:09,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:41:09,337 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:41:09,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:09,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1800741344, now seen corresponding path program 1 times [2023-11-19 07:41:09,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:09,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807374175] [2023-11-19 07:41:09,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:09,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:41:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:41:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:41:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:09,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 07:41:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:41:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-19 07:41:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:41:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:10,125 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-19 07:41:10,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:10,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807374175] [2023-11-19 07:41:10,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807374175] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:10,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:10,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:41:10,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115494941] [2023-11-19 07:41:10,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:10,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:41:10,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:10,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:41:10,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:41:10,132 INFO L87 Difference]: Start difference. First operand 2665 states and 3805 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 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)