./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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d14e71-f325-49e6-9bf8-fef6821d028f/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d14e71-f325-49e6-9bf8-fef6821d028f/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d14e71-f325-49e6-9bf8-fef6821d028f/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d14e71-f325-49e6-9bf8-fef6821d028f/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.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_35d14e71-f325-49e6-9bf8-fef6821d028f/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d14e71-f325-49e6-9bf8-fef6821d028f/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d57db9f03a5170fd6970a4ac4989029ee35a0e85ad6a1c5337395bb7ff185d1b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:17:07,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:17:07,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d14e71-f325-49e6-9bf8-fef6821d028f/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:17:07,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:17:07,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:17:07,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:17:07,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:17:07,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:17:07,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:17:07,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:17:07,300 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:17:07,300 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:17:07,301 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:17:07,302 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:17:07,302 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:17:07,303 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:17:07,303 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:17:07,304 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:17:07,305 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:17:07,305 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:17:07,306 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:17:07,307 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:17:07,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:17:07,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:17:07,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:17:07,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:17:07,320 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:17:07,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:17:07,321 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:17:07,322 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:17:07,322 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:17:07,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:17:07,323 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:17:07,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:17:07,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:17:07,324 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:17:07,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:17:07,325 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:17:07,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:17:07,326 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:17:07,327 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:17:07,332 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:17:07,333 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d14e71-f325-49e6-9bf8-fef6821d028f/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d14e71-f325-49e6-9bf8-fef6821d028f/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d57db9f03a5170fd6970a4ac4989029ee35a0e85ad6a1c5337395bb7ff185d1b [2023-11-19 04:17:07,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:17:07,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:17:07,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:17:07,670 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:17:07,671 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:17:07,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d14e71-f325-49e6-9bf8-fef6821d028f/bin/utaipan-verify-t7M7D8N6sZ/../../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 04:17:10,958 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:17:11,728 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:17:11,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d14e71-f325-49e6-9bf8-fef6821d028f/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 04:17:11,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d14e71-f325-49e6-9bf8-fef6821d028f/bin/utaipan-verify-t7M7D8N6sZ/data/98ed5b16f/61fb3b5dd99944de95130cc16eafa684/FLAGa6acd0243 [2023-11-19 04:17:11,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d14e71-f325-49e6-9bf8-fef6821d028f/bin/utaipan-verify-t7M7D8N6sZ/data/98ed5b16f/61fb3b5dd99944de95130cc16eafa684 [2023-11-19 04:17:11,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:17:11,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:17:11,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:17:11,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:17:11,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:17:11,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e92386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11, skipping insertion in model container [2023-11-19 04:17:11,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:12,140 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:17:16,723 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_35d14e71-f325-49e6-9bf8-fef6821d028f/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 04:17:17,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:17:17,187 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:17:17,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [9387] [2023-11-19 04:17:17,386 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [9394] [2023-11-19 04:17:17,388 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 04:17:17,389 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 04:17:17,389 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 04:17:17,389 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 04:17:17,445 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 04:17:17,446 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 04:17:17,446 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 04:17:17,446 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 04:17:17,447 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 04:17:17,458 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/linux/scatterlist.h"), "i" (123), "i" (12UL)); [10029-10030] [2023-11-19 04:17:17,459 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 04:17:17,463 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" (19), "i" (12UL)); [10114-10115] [2023-11-19 04:17:17,465 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 04:17:17,467 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" (56), "i" (12UL)); [10191-10192] [2023-11-19 04:17:17,468 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 04:17:17,468 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 04:17:17,470 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 04:17:17,471 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 04:17:17,666 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 04:17:18,079 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_35d14e71-f325-49e6-9bf8-fef6821d028f/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 04:17:18,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:17:18,323 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:17:18,323 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:17:18,324 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:17:18,332 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:17:18,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:18 WrapperNode [2023-11-19 04:17:18,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:17:18,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:17:18,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:17:18,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:17:18,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:18" (1/1) ... [2023-11-19 04:17:18,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:18" (1/1) ... [2023-11-19 04:17:18,736 INFO L138 Inliner]: procedures = 483, calls = 3016, calls flagged for inlining = 237, calls inlined = 184, statements flattened = 7455 [2023-11-19 04:17:18,737 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:17:18,738 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:17:18,738 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:17:18,738 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:17:18,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:18" (1/1) ... [2023-11-19 04:17:18,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:18" (1/1) ... [2023-11-19 04:17:18,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:18" (1/1) ... [2023-11-19 04:17:18,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:18" (1/1) ... [2023-11-19 04:17:19,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:18" (1/1) ... [2023-11-19 04:17:19,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:18" (1/1) ... [2023-11-19 04:17:19,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:18" (1/1) ... [2023-11-19 04:17:19,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:18" (1/1) ... [2023-11-19 04:17:19,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:17:19,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:17:19,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:17:19,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:17:19,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:18" (1/1) ... [2023-11-19 04:17:19,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:17:19,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d14e71-f325-49e6-9bf8-fef6821d028f/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:17:19,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d14e71-f325-49e6-9bf8-fef6821d028f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:17:19,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35d14e71-f325-49e6-9bf8-fef6821d028f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:17:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure ib_wc_status_msg [2023-11-19 04:17:19,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_wc_status_msg [2023-11-19 04:17:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:17:19,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:17:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure isert_setup_id [2023-11-19 04:17:19,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_setup_id [2023-11-19 04:17:19,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:17:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:17:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_isert_conn [2023-11-19 04:17:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_isert_conn [2023-11-19 04:17:19,420 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-19 04:17:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-19 04:17:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-11-19 04:17:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-11-19 04:17:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_stop_dataout_timer [2023-11-19 04:17:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_stop_dataout_timer [2023-11-19 04:17:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_destroy_id [2023-11-19 04:17:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_destroy_id [2023-11-19 04:17:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:17:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:17:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure isert_cq_work [2023-11-19 04:17:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_cq_work [2023-11-19 04:17:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 04:17:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 04:17:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_recv [2023-11-19 04:17:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_recv [2023-11-19 04:17:19,423 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_device [2023-11-19 04:17:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_device [2023-11-19 04:17:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:17:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:17:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:17:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_isert_conn [2023-11-19 04:17:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_isert_conn [2023-11-19 04:17:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_single [2023-11-19 04:17:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_single [2023-11-19 04:17:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_send_wr [2023-11-19 04:17:19,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_send_wr [2023-11-19 04:17:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_np_accept_mutex_of_isert_np [2023-11-19 04:17:19,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_np_accept_mutex_of_isert_np [2023-11-19 04:17:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:17:19,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:17:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:17:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:17:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_np_accept_mutex_of_isert_np [2023-11-19 04:17:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_np_accept_mutex_of_isert_np [2023-11-19 04:17:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:17:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_address [2023-11-19 04:17:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_address [2023-11-19 04:17:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait_conn [2023-11-19 04:17:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait_conn [2023-11-19 04:17:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2023-11-19 04:17:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2023-11-19 04:17:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 04:17:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 04:17:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-19 04:17:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-19 04:17:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_map_single [2023-11-19 04:17:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_map_single [2023-11-19 04:17:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:17:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_terminate [2023-11-19 04:17:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_terminate [2023-11-19 04:17:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 04:17:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 04:17:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:17:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure isert_prot_cmd [2023-11-19 04:17:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_prot_cmd [2023-11-19 04:17:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:17:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 04:17:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 04:17:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2023-11-19 04:17:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2023-11-19 04:17:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:17:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:17:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure isert_release_work [2023-11-19 04:17:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_release_work [2023-11-19 04:17:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_np [2023-11-19 04:17:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_np [2023-11-19 04:17:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure isert_comp_put [2023-11-19 04:17:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_comp_put [2023-11-19 04:17:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 04:17:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 04:17:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 04:17:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 04:17:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-11-19 04:17:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-11-19 04:17:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_from_buffer [2023-11-19 04:17:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_from_buffer [2023-11-19 04:17:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 04:17:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 04:17:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:17:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-19 04:17:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-19 04:17:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:17:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-19 04:17:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-19 04:17:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:17:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 04:17:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:17:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 04:17:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure isert_completion_put [2023-11-19 04:17:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_completion_put [2023-11-19 04:17:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 04:17:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 04:17:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_data_buf [2023-11-19 04:17:19,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_data_buf [2023-11-19 04:17:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure isert_inv_rkey [2023-11-19 04:17:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_inv_rkey [2023-11-19 04:17:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 04:17:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 04:17:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_cpu [2023-11-19 04:17:19,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_cpu [2023-11-19 04:17:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 04:17:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 04:17:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure isert_allocate_cmd [2023-11-19 04:17:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_allocate_cmd [2023-11-19 04:17:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure isert_do_control_comp [2023-11-19 04:17:19,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_do_control_comp [2023-11-19 04:17:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_conn [2023-11-19 04:17:19,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_conn [2023-11-19 04:17:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure isert_connect_release [2023-11-19 04:17:19,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_connect_release [2023-11-19 04:17:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_comps [2023-11-19 04:17:19,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_comps [2023-11-19 04:17:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:17:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:17:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-19 04:17:19,451 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-19 04:17:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 04:17:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 04:17:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 04:17:19,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 04:17:19,453 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 04:17:19,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 04:17:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:17:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:17:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure isert_device_put [2023-11-19 04:17:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_device_put [2023-11-19 04:17:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:17:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:17:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure isert_map_data_buf [2023-11-19 04:17:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_map_data_buf [2023-11-19 04:17:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 04:17:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 04:17:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_conn [2023-11-19 04:17:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_conn [2023-11-19 04:17:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2023-11-19 04:17:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2023-11-19 04:17:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_tx_hdrs [2023-11-19 04:17:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_tx_hdrs [2023-11-19 04:17:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-19 04:17:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-19 04:17:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-19 04:17:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-19 04:17:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_fast_reg_page_list [2023-11-19 04:17:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_fast_reg_page_list [2023-11-19 04:17:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-19 04:17:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-19 04:17:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 04:17:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 04:17:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure isert_aborted_task [2023-11-19 04:17:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_aborted_task [2023-11-19 04:17:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:17:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:17:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-19 04:17:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-19 04:17:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_response [2023-11-19 04:17:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_response [2023-11-19 04:17:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait4flush [2023-11-19 04:17:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait4flush [2023-11-19 04:17:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:17:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:17:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:17:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:17:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-19 04:17:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-19 04:17:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_login_buf [2023-11-19 04:17:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_login_buf [2023-11-19 04:17:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 04:17:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 04:17:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-19 04:17:19,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-19 04:17:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:17:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 04:17:19,468 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 04:17:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_priv_cmd [2023-11-19 04:17:19,468 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_priv_cmd [2023-11-19 04:17:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_nopin [2023-11-19 04:17:19,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_nopin [2023-11-19 04:17:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:17:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-19 04:17:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-19 04:17:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_rdma [2023-11-19 04:17:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_rdma [2023-11-19 04:17:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:17:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 04:17:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 04:17:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_recv [2023-11-19 04:17:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_recv [2023-11-19 04:17:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-19 04:17:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-19 04:17:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 04:17:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 04:17:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-19 04:17:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-19 04:17:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 04:17:19,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 04:17:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 04:17:19,471 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 04:17:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rdma_post_recvl [2023-11-19 04:17:19,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rdma_post_recvl [2023-11-19 04:17:19,471 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_free_fastreg_pool [2023-11-19 04:17:19,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_free_fastreg_pool [2023-11-19 04:17:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure transport_send_check_condition_and_sense [2023-11-19 04:17:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_send_check_condition_and_sense [2023-11-19 04:17:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 04:17:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 04:17:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_sig_mr [2023-11-19 04:17:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_sig_mr [2023-11-19 04:17:19,472 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2023-11-19 04:17:19,472 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2023-11-19 04:17:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_tx_desc [2023-11-19 04:17:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_tx_desc [2023-11-19 04:17:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 04:17:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 04:17:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_device_list_mutex [2023-11-19 04:17:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_device_list_mutex [2023-11-19 04:17:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_device_list_mutex [2023-11-19 04:17:19,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_device_list_mutex [2023-11-19 04:17:19,473 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-19 04:17:19,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-19 04:17:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2023-11-19 04:17:19,474 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2023-11-19 04:17:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure isert_handle_prot_cmd [2023-11-19 04:17:19,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_handle_prot_cmd [2023-11-19 04:17:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2023-11-19 04:17:19,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2023-11-19 04:17:19,474 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2023-11-19 04:17:19,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2023-11-19 04:17:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:17:19,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:17:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure isert_check_pi_status [2023-11-19 04:17:19,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_check_pi_status [2023-11-19 04:17:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-19 04:17:19,475 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-19 04:17:19,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:17:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure isert_create_send_desc [2023-11-19 04:17:19,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_create_send_desc [2023-11-19 04:17:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:17:19,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:17:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_len [2023-11-19 04:17:19,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_len [2023-11-19 04:17:19,476 INFO L130 BoogieDeclarations]: Found specification of procedure isert_fast_reg_mr [2023-11-19 04:17:19,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_fast_reg_mr [2023-11-19 04:17:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 04:17:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 04:17:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-19 04:17:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-19 04:17:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_response [2023-11-19 04:17:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_response [2023-11-19 04:17:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_mr [2023-11-19 04:17:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_mr [2023-11-19 04:17:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 04:17:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 04:17:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rx_login_req [2023-11-19 04:17:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rx_login_req [2023-11-19 04:17:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-19 04:17:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-19 04:17:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_mapping_error [2023-11-19 04:17:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_mapping_error [2023-11-19 04:17:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:17:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 04:17:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 04:17:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure target_put_sess_cmd [2023-11-19 04:17:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure target_put_sess_cmd [2023-11-19 04:17:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure isert_set_dif_domain [2023-11-19 04:17:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_set_dif_domain [2023-11-19 04:17:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-19 04:17:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-19 04:17:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2023-11-19 04:17:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2023-11-19 04:17:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_page_list [2023-11-19 04:17:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_page_list [2023-11-19 04:17:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_build_rsp_pdu [2023-11-19 04:17:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_build_rsp_pdu [2023-11-19 04:17:20,680 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:17:20,691 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:17:20,968 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:17:29,835 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:17:32,113 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:17:32,113 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:17:32,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:17:32 BoogieIcfgContainer [2023-11-19 04:17:32,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:17:32,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:17:32,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:17:32,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:17:32,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:17:11" (1/3) ... [2023-11-19 04:17:32,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34734e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:17:32, skipping insertion in model container [2023-11-19 04:17:32,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:18" (2/3) ... [2023-11-19 04:17:32,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34734e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:17:32, skipping insertion in model container [2023-11-19 04:17:32,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:17:32" (3/3) ... [2023-11-19 04:17:32,143 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 04:17:32,168 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:17:32,169 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:17:32,292 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:17:32,301 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@507bc221, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:17:32,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:17:32,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 2253 states, 1385 states have (on average 1.3155234657039712) internal successors, (1822), 1445 states have internal predecessors, (1822), 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 04:17:32,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 04:17:32,355 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:32,356 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:32,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:32,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:32,362 INFO L85 PathProgramCache]: Analyzing trace with hash 565737384, now seen corresponding path program 1 times [2023-11-19 04:17:32,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:32,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975388235] [2023-11-19 04:17:32,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:32,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:33,388 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 04:17:33,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:33,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975388235] [2023-11-19 04:17:33,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975388235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:33,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:33,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:17:33,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207190738] [2023-11-19 04:17:33,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:33,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:17:33,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:33,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:17:33,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:33,456 INFO L87 Difference]: Start difference. First operand has 2253 states, 1385 states have (on average 1.3155234657039712) internal successors, (1822), 1445 states have internal predecessors, (1822), 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 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-19 04:17:34,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:17:36,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:17:39,214 WARN L539 Checker$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 04:17:41,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:17:44,086 WARN L539 Checker$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 04:17:46,090 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 04:17:46,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:46,967 INFO L93 Difference]: Finished difference Result 6222 states and 9125 transitions. [2023-11-19 04:17:46,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:17:46,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 69 [2023-11-19 04:17:46,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:47,024 INFO L225 Difference]: With dead ends: 6222 [2023-11-19 04:17:47,025 INFO L226 Difference]: Without dead ends: 3947 [2023-11-19 04:17:47,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:47,061 INFO L413 NwaCegarLoop]: 3035 mSDtfsCounter, 2476 mSDsluCounter, 2977 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2476 SdHoareTripleChecker+Valid, 6012 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:47,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2476 Valid, 6012 Invalid, 512 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 507 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2023-11-19 04:17:47,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states. [2023-11-19 04:17:47,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 3924. [2023-11-19 04:17:47,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3924 states, 2415 states have (on average 1.3014492753623188) internal successors, (3143), 2507 states have internal predecessors, (3143), 1253 states have call successors, (1253), 256 states have call predecessors, (1253), 255 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2023-11-19 04:17:47,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3924 states to 3924 states and 5637 transitions. [2023-11-19 04:17:47,629 INFO L78 Accepts]: Start accepts. Automaton has 3924 states and 5637 transitions. Word has length 69 [2023-11-19 04:17:47,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:47,630 INFO L495 AbstractCegarLoop]: Abstraction has 3924 states and 5637 transitions. [2023-11-19 04:17:47,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-19 04:17:47,630 INFO L276 IsEmpty]: Start isEmpty. Operand 3924 states and 5637 transitions. [2023-11-19 04:17:47,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 04:17:47,639 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:47,640 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:47,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:17:47,640 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:47,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:47,641 INFO L85 PathProgramCache]: Analyzing trace with hash 913128093, now seen corresponding path program 1 times [2023-11-19 04:17:47,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:47,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889494078] [2023-11-19 04:17:47,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:47,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:48,617 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 04:17:48,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:48,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889494078] [2023-11-19 04:17:48,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889494078] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:48,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:48,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:17:48,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534999890] [2023-11-19 04:17:48,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:48,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:17:48,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:48,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:17:48,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:48,621 INFO L87 Difference]: Start difference. First operand 3924 states and 5637 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 04:17:50,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:17:53,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:17:54,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:54,673 INFO L93 Difference]: Finished difference Result 3944 states and 5647 transitions. [2023-11-19 04:17:54,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:17:54,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 74 [2023-11-19 04:17:54,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:54,705 INFO L225 Difference]: With dead ends: 3944 [2023-11-19 04:17:54,705 INFO L226 Difference]: Without dead ends: 3940 [2023-11-19 04:17:54,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:54,711 INFO L413 NwaCegarLoop]: 2997 mSDtfsCounter, 3132 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3132 SdHoareTripleChecker+Valid, 3063 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:54,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3132 Valid, 3063 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 245 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2023-11-19 04:17:54,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2023-11-19 04:17:55,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3938. [2023-11-19 04:17:55,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3938 states, 2423 states have (on average 1.2992158481221625) internal successors, (3148), 2513 states have internal predecessors, (3148), 1251 states have call successors, (1251), 264 states have call predecessors, (1251), 263 states have return successors, (1241), 1218 states have call predecessors, (1241), 1241 states have call successors, (1241) [2023-11-19 04:17:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3938 states to 3938 states and 5640 transitions. [2023-11-19 04:17:55,079 INFO L78 Accepts]: Start accepts. Automaton has 3938 states and 5640 transitions. Word has length 74 [2023-11-19 04:17:55,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:55,083 INFO L495 AbstractCegarLoop]: Abstraction has 3938 states and 5640 transitions. [2023-11-19 04:17:55,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-19 04:17:55,083 INFO L276 IsEmpty]: Start isEmpty. Operand 3938 states and 5640 transitions. [2023-11-19 04:17:55,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-19 04:17:55,088 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:55,089 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:55,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:17:55,089 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:55,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:55,099 INFO L85 PathProgramCache]: Analyzing trace with hash 537419633, now seen corresponding path program 1 times [2023-11-19 04:17:55,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:17:55,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182245763] [2023-11-19 04:17:55,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:55,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:17:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:55,520 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 04:17:55,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:17:55,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182245763] [2023-11-19 04:17:55,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182245763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:55,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:55,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:17:55,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244517068] [2023-11-19 04:17:55,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:55,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:17:55,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:17:55,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:17:55,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:55,525 INFO L87 Difference]: Start difference. First operand 3938 states and 5640 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 04:17:57,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []