./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b01f589d408f6e26ea7a63733affb8614d3f46d7c24e67c8e520356eb639cf0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:33:03,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:33:04,031 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:33:04,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:33:04,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:33:04,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:33:04,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:33:04,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:33:04,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:33:04,097 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:33:04,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:33:04,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:33:04,099 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:33:04,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:33:04,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:33:04,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:33:04,102 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:33:04,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:33:04,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:33:04,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:33:04,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:33:04,105 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:33:04,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:33:04,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:33:04,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:33:04,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:04,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:33:04,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:33:04,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:33:04,110 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:33:04,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:33:04,112 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:33:04,113 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:33:04,113 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:33:04,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:33:04,114 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:33:04,114 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_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b01f589d408f6e26ea7a63733affb8614d3f46d7c24e67c8e520356eb639cf0d [2023-11-12 02:33:04,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:33:04,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:33:04,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:33:04,525 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:33:04,526 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:33:04,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2023-11-12 02:33:07,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:33:08,587 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:33:08,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2023-11-12 02:33:08,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/bin/uautomizer-verify-uTZkv6EMXl/data/2c3b776f7/1a42069ed84144a1a7cb1fac1eb57ab5/FLAG607db5725 [2023-11-12 02:33:08,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/bin/uautomizer-verify-uTZkv6EMXl/data/2c3b776f7/1a42069ed84144a1a7cb1fac1eb57ab5 [2023-11-12 02:33:08,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:33:08,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:33:08,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:08,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:33:08,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:33:08,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:08" (1/1) ... [2023-11-12 02:33:08,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a074eea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:08, skipping insertion in model container [2023-11-12 02:33:08,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:08" (1/1) ... [2023-11-12 02:33:08,983 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:33:12,648 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_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[472306,472319] [2023-11-12 02:33:12,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:12,757 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:33:13,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [9396] [2023-11-12 02:33:13,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [9403] [2023-11-12 02:33:13,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [9575] [2023-11-12 02:33:13,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9578] [2023-11-12 02:33:13,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9581] [2023-11-12 02:33:13,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9584] [2023-11-12 02:33:13,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [9638-9639] [2023-11-12 02:33:13,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [9658-9659] [2023-11-12 02:33:13,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [9663-9664] [2023-11-12 02:33:13,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [9668-9669] [2023-11-12 02:33:13,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [9673-9674] [2023-11-12 02:33:13,022 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (123), "i" (12UL)); [9949-9950] [2023-11-12 02:33:13,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/scatterlist.h"), "i" (124), "i" (12UL)); [9957-9958] [2023-11-12 02:33:13,034 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [10034-10035] [2023-11-12 02:33:13,039 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [10063-10064] [2023-11-12 02:33:13,041 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (56), "i" (12UL)); [10111-10112] [2023-11-12 02:33:13,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (58), "i" (12UL)); [10120-10121] [2023-11-12 02:33:13,042 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (70), "i" (12UL)); [10144-10145] [2023-11-12 02:33:13,044 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (108), "i" (12UL)); [10174-10175] [2023-11-12 02:33:13,045 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (120), "i" (12UL)); [10204-10205] [2023-11-12 02:33:13,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/home/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--43_2a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/753/dscv_tempdir/dscv/ri/43_2a/drivers/infiniband/ulp/isert/ib_isert.c"), "i" (808), "i" (12UL)); [11532-11533] [2023-11-12 02:33:13,721 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_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i[472306,472319] [2023-11-12 02:33:13,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:13,901 WARN L672 CHandler]: The function ldv_calloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:33:13,902 WARN L672 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:33:13,902 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:33:13,902 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:33:13,910 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:33:13,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:13 WrapperNode [2023-11-12 02:33:13,911 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:13,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:13,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:33:13,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:33:13,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:13" (1/1) ... [2023-11-12 02:33:14,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:13" (1/1) ... [2023-11-12 02:33:14,357 INFO L138 Inliner]: procedures = 390, calls = 2850, calls flagged for inlining = 203, calls inlined = 169, statements flattened = 7282 [2023-11-12 02:33:14,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:14,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:33:14,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:33:14,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:33:14,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:13" (1/1) ... [2023-11-12 02:33:14,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:13" (1/1) ... [2023-11-12 02:33:14,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:13" (1/1) ... [2023-11-12 02:33:14,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:13" (1/1) ... [2023-11-12 02:33:14,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:13" (1/1) ... [2023-11-12 02:33:14,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:13" (1/1) ... [2023-11-12 02:33:14,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:13" (1/1) ... [2023-11-12 02:33:14,671 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:13" (1/1) ... [2023-11-12 02:33:14,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:33:14,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:33:14,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:33:14,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:33:14,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:13" (1/1) ... [2023-11-12 02:33:14,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:14,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:14,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:14,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acabbd7e-52f4-49aa-87ad-00a76e8f10f0/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:33:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure ib_wc_status_msg [2023-11-12 02:33:14,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_wc_status_msg [2023-11-12 02:33:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 02:33:14,893 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 02:33:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure isert_setup_id [2023-11-12 02:33:14,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_setup_id [2023-11-12 02:33:14,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-12 02:33:14,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-12 02:33:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:33:14,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:33:14,895 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-12 02:33:14,897 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-12 02:33:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-11-12 02:33:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-11-12 02:33:14,898 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_stop_dataout_timer [2023-11-12 02:33:14,898 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_stop_dataout_timer [2023-11-12 02:33:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_destroy_id [2023-11-12 02:33:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_destroy_id [2023-11-12 02:33:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-12 02:33:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-12 02:33:14,899 INFO L130 BoogieDeclarations]: Found specification of procedure isert_cq_work [2023-11-12 02:33:14,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_cq_work [2023-11-12 02:33:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-12 02:33:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-12 02:33:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_recv [2023-11-12 02:33:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_recv [2023-11-12 02:33:14,900 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_device [2023-11-12 02:33:14,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_device [2023-11-12 02:33:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:33:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_single [2023-11-12 02:33:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_single [2023-11-12 02:33:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_send_wr [2023-11-12 02:33:14,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_send_wr [2023-11-12 02:33:14,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 02:33:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 02:33:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-12 02:33:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-12 02:33:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:33:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_address [2023-11-12 02:33:14,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_address [2023-11-12 02:33:14,902 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait_conn [2023-11-12 02:33:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait_conn [2023-11-12 02:33:14,903 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2023-11-12 02:33:14,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2023-11-12 02:33:14,903 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 02:33:14,904 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 02:33:14,904 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-12 02:33:14,905 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-12 02:33:14,905 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_map_single [2023-11-12 02:33:14,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_map_single [2023-11-12 02:33:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:33:14,906 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_terminate [2023-11-12 02:33:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_terminate [2023-11-12 02:33:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-12 02:33:14,907 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-12 02:33:14,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:33:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure isert_prot_cmd [2023-11-12 02:33:14,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_prot_cmd [2023-11-12 02:33:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:33:14,908 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-12 02:33:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-12 02:33:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2023-11-12 02:33:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2023-11-12 02:33:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 02:33:14,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 02:33:14,909 INFO L130 BoogieDeclarations]: Found specification of procedure isert_release_work [2023-11-12 02:33:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_release_work [2023-11-12 02:33:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-12 02:33:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-12 02:33:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_np [2023-11-12 02:33:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_np [2023-11-12 02:33:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure isert_comp_put [2023-11-12 02:33:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_comp_put [2023-11-12 02:33:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-12 02:33:14,911 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-12 02:33:14,911 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-12 02:33:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-12 02:33:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-11-12 02:33:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-11-12 02:33:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_from_buffer [2023-11-12 02:33:14,912 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_from_buffer [2023-11-12 02:33:14,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-12 02:33:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-12 02:33:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:33:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-12 02:33:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-12 02:33:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:33:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-12 02:33:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-12 02:33:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:33:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 02:33:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:33:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:33:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure isert_completion_put [2023-11-12 02:33:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_completion_put [2023-11-12 02:33:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:33:14,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-12 02:33:14,915 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_data_buf [2023-11-12 02:33:14,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_data_buf [2023-11-12 02:33:14,916 INFO L130 BoogieDeclarations]: Found specification of procedure isert_inv_rkey [2023-11-12 02:33:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_inv_rkey [2023-11-12 02:33:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 02:33:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 02:33:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_cpu [2023-11-12 02:33:14,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_cpu [2023-11-12 02:33:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-12 02:33:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-12 02:33:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure isert_allocate_cmd [2023-11-12 02:33:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_allocate_cmd [2023-11-12 02:33:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure isert_do_control_comp [2023-11-12 02:33:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_do_control_comp [2023-11-12 02:33:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_conn [2023-11-12 02:33:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_conn [2023-11-12 02:33:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure isert_connect_release [2023-11-12 02:33:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_connect_release [2023-11-12 02:33:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_comps [2023-11-12 02:33:14,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_comps [2023-11-12 02:33:14,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:33:14,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:33:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-12 02:33:14,920 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-12 02:33:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 02:33:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 02:33:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-12 02:33:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-12 02:33:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-12 02:33:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-12 02:33:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:33:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:33:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure isert_device_put [2023-11-12 02:33:14,923 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_device_put [2023-11-12 02:33:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 02:33:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 02:33:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure isert_map_data_buf [2023-11-12 02:33:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_map_data_buf [2023-11-12 02:33:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 02:33:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 02:33:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_conn [2023-11-12 02:33:14,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_conn [2023-11-12 02:33:14,929 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2023-11-12 02:33:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2023-11-12 02:33:14,935 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_tx_hdrs [2023-11-12 02:33:14,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_tx_hdrs [2023-11-12 02:33:14,936 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-12 02:33:14,936 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-12 02:33:14,936 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-12 02:33:14,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-12 02:33:14,936 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_fast_reg_page_list [2023-11-12 02:33:14,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_fast_reg_page_list [2023-11-12 02:33:14,936 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-12 02:33:14,937 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-12 02:33:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:33:14,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:33:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure isert_aborted_task [2023-11-12 02:33:14,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_aborted_task [2023-11-12 02:33:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-12 02:33:14,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-12 02:33:14,937 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-12 02:33:14,938 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-12 02:33:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_response [2023-11-12 02:33:14,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_response [2023-11-12 02:33:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait4flush [2023-11-12 02:33:14,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait4flush [2023-11-12 02:33:14,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:33:14,939 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:33:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:33:14,939 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:33:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_login_buf [2023-11-12 02:33:14,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_login_buf [2023-11-12 02:33:14,939 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-12 02:33:14,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-12 02:33:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:33:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 02:33:14,940 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 02:33:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_priv_cmd [2023-11-12 02:33:14,940 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_priv_cmd [2023-11-12 02:33:14,940 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_nopin [2023-11-12 02:33:14,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_nopin [2023-11-12 02:33:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:33:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-12 02:33:14,941 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-12 02:33:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-12 02:33:14,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-12 02:33:14,941 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_rdma [2023-11-12 02:33:14,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_rdma [2023-11-12 02:33:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:33:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:33:14,942 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:33:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_recv [2023-11-12 02:33:14,942 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_recv [2023-11-12 02:33:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-12 02:33:14,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-12 02:33:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 02:33:14,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 02:33:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-12 02:33:14,943 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-12 02:33:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-12 02:33:14,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-12 02:33:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rdma_post_recvl [2023-11-12 02:33:14,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rdma_post_recvl [2023-11-12 02:33:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 02:33:14,944 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 02:33:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_free_fastreg_pool [2023-11-12 02:33:14,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_free_fastreg_pool [2023-11-12 02:33:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure transport_send_check_condition_and_sense [2023-11-12 02:33:14,944 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_send_check_condition_and_sense [2023-11-12 02:33:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 02:33:14,944 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 02:33:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_sig_mr [2023-11-12 02:33:14,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_sig_mr [2023-11-12 02:33:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2023-11-12 02:33:14,945 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2023-11-12 02:33:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_tx_desc [2023-11-12 02:33:14,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_tx_desc [2023-11-12 02:33:14,945 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-12 02:33:14,946 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-12 02:33:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-12 02:33:14,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-12 02:33:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2023-11-12 02:33:14,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2023-11-12 02:33:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure isert_handle_prot_cmd [2023-11-12 02:33:14,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_handle_prot_cmd [2023-11-12 02:33:14,946 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2023-11-12 02:33:14,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2023-11-12 02:33:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2023-11-12 02:33:14,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2023-11-12 02:33:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:33:14,947 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:33:14,947 INFO L130 BoogieDeclarations]: Found specification of procedure isert_check_pi_status [2023-11-12 02:33:14,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_check_pi_status [2023-11-12 02:33:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-12 02:33:14,948 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-12 02:33:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:33:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure isert_create_send_desc [2023-11-12 02:33:14,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_create_send_desc [2023-11-12 02:33:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 02:33:14,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 02:33:14,948 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_len [2023-11-12 02:33:14,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_len [2023-11-12 02:33:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure isert_fast_reg_mr [2023-11-12 02:33:14,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_fast_reg_mr [2023-11-12 02:33:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-12 02:33:14,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-12 02:33:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-12 02:33:14,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-12 02:33:14,949 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_response [2023-11-12 02:33:14,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_response [2023-11-12 02:33:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_mr [2023-11-12 02:33:14,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_mr [2023-11-12 02:33:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 02:33:14,950 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 02:33:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rx_login_req [2023-11-12 02:33:14,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rx_login_req [2023-11-12 02:33:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-12 02:33:14,951 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-12 02:33:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_mapping_error [2023-11-12 02:33:14,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_mapping_error [2023-11-12 02:33:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:33:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 02:33:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 02:33:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure target_put_sess_cmd [2023-11-12 02:33:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure target_put_sess_cmd [2023-11-12 02:33:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure isert_set_dif_domain [2023-11-12 02:33:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_set_dif_domain [2023-11-12 02:33:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-12 02:33:14,957 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-12 02:33:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2023-11-12 02:33:14,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2023-11-12 02:33:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_page_list [2023-11-12 02:33:14,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_page_list [2023-11-12 02:33:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_build_rsp_pdu [2023-11-12 02:33:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_build_rsp_pdu [2023-11-12 02:33:16,140 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:33:16,149 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:33:16,380 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 02:33:24,942 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:33:24,963 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:33:24,963 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:33:24,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:24 BoogieIcfgContainer [2023-11-12 02:33:24,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:33:24,973 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:33:24,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:33:24,976 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:33:24,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:33:08" (1/3) ... [2023-11-12 02:33:24,977 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db76da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:24, skipping insertion in model container [2023-11-12 02:33:24,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:13" (2/3) ... [2023-11-12 02:33:24,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4db76da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:24, skipping insertion in model container [2023-11-12 02:33:24,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:24" (3/3) ... [2023-11-12 02:33:24,980 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--infiniband--ulp--isert--ib_isert.ko-entry_point.cil.out.i [2023-11-12 02:33:24,999 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:33:24,999 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:33:25,118 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:33:25,126 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;@32631556, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:33:25,126 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:33:25,142 INFO L276 IsEmpty]: Start isEmpty. Operand has 2614 states, 1777 states have (on average 1.321328081035453) internal successors, (2348), 1830 states have internal predecessors, (2348), 709 states have call successors, (709), 127 states have call predecessors, (709), 126 states have return successors, (703), 692 states have call predecessors, (703), 703 states have call successors, (703) [2023-11-12 02:33:25,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-12 02:33:25,171 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:25,172 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] [2023-11-12 02:33:25,172 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:33:25,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:25,179 INFO L85 PathProgramCache]: Analyzing trace with hash 476054249, now seen corresponding path program 1 times [2023-11-12 02:33:25,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:25,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945689131] [2023-11-12 02:33:25,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:25,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:33:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:33:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-12 02:33:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:33:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-12 02:33:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:33:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-12 02:33:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:33:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-12 02:33:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:33:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:26,475 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-12 02:33:26,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:26,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945689131] [2023-11-12 02:33:26,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945689131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:26,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:26,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:33:26,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271918463] [2023-11-12 02:33:26,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:26,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:33:26,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:26,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:33:26,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:33:26,542 INFO L87 Difference]: Start difference. First operand has 2614 states, 1777 states have (on average 1.321328081035453) internal successors, (2348), 1830 states have internal predecessors, (2348), 709 states have call successors, (709), 127 states have call predecessors, (709), 126 states have return successors, (703), 692 states have call predecessors, (703), 703 states have call successors, (703) Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 2 states have internal predecessors, (37), 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) [2023-11-12 02:33:29,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:33:31,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:33:33,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 02:33:48,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:48,140 INFO L93 Difference]: Finished difference Result 6144 states and 9267 transitions. [2023-11-12 02:33:48,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:33:48,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 2 states have internal predecessors, (37), 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 80 [2023-11-12 02:33:48,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:33:48,223 INFO L225 Difference]: With dead ends: 6144 [2023-11-12 02:33:48,223 INFO L226 Difference]: Without dead ends: 3503 [2023-11-12 02:33:48,259 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 [2023-11-12 02:33:48,263 INFO L413 NwaCegarLoop]: 2726 mSDtfsCounter, 2534 mSDsluCounter, 4369 mSDsCounter, 0 mSdLazyCounter, 4071 mSolverCounterSat, 2303 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2631 SdHoareTripleChecker+Valid, 7095 SdHoareTripleChecker+Invalid, 6377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2303 IncrementalHoareTripleChecker+Valid, 4071 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2023-11-12 02:33:48,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2631 Valid, 7095 Invalid, 6377 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2303 Valid, 4071 Invalid, 3 Unknown, 0 Unchecked, 20.8s Time] [2023-11-12 02:33:48,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3503 states. [2023-11-12 02:33:48,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3503 to 2582. [2023-11-12 02:33:48,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2582 states, 1755 states have (on average 1.3116809116809116) internal successors, (2302), 1801 states have internal predecessors, (2302), 701 states have call successors, (701), 126 states have call predecessors, (701), 125 states have return successors, (699), 688 states have call predecessors, (699), 699 states have call successors, (699) [2023-11-12 02:33:48,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2582 states and 3702 transitions. [2023-11-12 02:33:48,664 INFO L78 Accepts]: Start accepts. Automaton has 2582 states and 3702 transitions. Word has length 80 [2023-11-12 02:33:48,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:33:48,666 INFO L495 AbstractCegarLoop]: Abstraction has 2582 states and 3702 transitions. [2023-11-12 02:33:48,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 2 states have internal predecessors, (37), 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) [2023-11-12 02:33:48,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 3702 transitions. [2023-11-12 02:33:48,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-12 02:33:48,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:33:48,675 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] [2023-11-12 02:33:48,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:33:48,676 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:33:48,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:48,676 INFO L85 PathProgramCache]: Analyzing trace with hash -16571925, now seen corresponding path program 1 times [2023-11-12 02:33:48,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:48,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943016258] [2023-11-12 02:33:48,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:48,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:33:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:33:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-12 02:33:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-12 02:33:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:33:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-12 02:33:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:33:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-12 02:33:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:33:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-12 02:33:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-12 02:33:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:49,358 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-12 02:33:49,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:49,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943016258] [2023-11-12 02:33:49,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943016258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:49,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:49,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:33:49,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142080675] [2023-11-12 02:33:49,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:49,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:33:49,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:49,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:33:49,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:33:49,365 INFO L87 Difference]: Start difference. First operand 2582 states and 3702 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 3 states have internal predecessors, (37), 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)