./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31212484-a36f-41c0-864b-08983519643e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31212484-a36f-41c0-864b-08983519643e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31212484-a36f-41c0-864b-08983519643e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31212484-a36f-41c0-864b-08983519643e/bin/uautomizer-verify-uCwYo4JHxu/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_31212484-a36f-41c0-864b-08983519643e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31212484-a36f-41c0-864b-08983519643e/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b01f589d408f6e26ea7a63733affb8614d3f46d7c24e67c8e520356eb639cf0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:37:09,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:37:09,266 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31212484-a36f-41c0-864b-08983519643e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:37:09,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:37:09,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:37:09,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:37:09,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:37:09,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:37:09,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:37:09,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:37:09,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:37:09,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:37:09,334 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:37:09,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:37:09,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:37:09,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:37:09,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:37:09,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:37:09,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:37:09,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:37:09,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:37:09,340 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:37:09,341 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:37:09,341 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:37:09,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:37:09,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:37:09,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:37:09,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:37:09,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:37:09,344 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:37:09,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:37:09,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:37:09,346 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:37:09,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:37:09,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:37:09,347 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:37:09,347 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_31212484-a36f-41c0-864b-08983519643e/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31212484-a36f-41c0-864b-08983519643e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b01f589d408f6e26ea7a63733affb8614d3f46d7c24e67c8e520356eb639cf0d [2023-11-19 07:37:09,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:37:09,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:37:09,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:37:09,690 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:37:09,691 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:37:09,692 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31212484-a36f-41c0-864b-08983519643e/bin/uautomizer-verify-uCwYo4JHxu/../../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 [2023-11-19 07:37:12,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:37:13,709 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:37:13,710 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31212484-a36f-41c0-864b-08983519643e/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 [2023-11-19 07:37:13,786 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31212484-a36f-41c0-864b-08983519643e/bin/uautomizer-verify-uCwYo4JHxu/data/6364130ce/0b00adc63b6149d4bedae96d2b4e2172/FLAGc4c2579d5 [2023-11-19 07:37:13,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31212484-a36f-41c0-864b-08983519643e/bin/uautomizer-verify-uCwYo4JHxu/data/6364130ce/0b00adc63b6149d4bedae96d2b4e2172 [2023-11-19 07:37:13,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:37:13,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:37:13,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:13,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:37:13,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:37:13,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:13" (1/1) ... [2023-11-19 07:37:13,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@425941b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:13, skipping insertion in model container [2023-11-19 07:37:13,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:37:13" (1/1) ... [2023-11-19 07:37:14,077 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:37:17,940 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_31212484-a36f-41c0-864b-08983519643e/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] [2023-11-19 07:37:18,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:18,064 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:37:18,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [9396] [2023-11-19 07:37:18,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [9403] [2023-11-19 07:37:18,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [9575] [2023-11-19 07:37:18,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9578] [2023-11-19 07:37:18,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9581] [2023-11-19 07:37:18,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [9584] [2023-11-19 07:37:18,332 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] [2023-11-19 07:37:18,333 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] [2023-11-19 07:37:18,334 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] [2023-11-19 07:37:18,334 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] [2023-11-19 07:37:18,335 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] [2023-11-19 07:37:18,342 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] [2023-11-19 07:37:18,343 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] [2023-11-19 07:37:18,348 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] [2023-11-19 07:37:18,350 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] [2023-11-19 07:37:18,352 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] [2023-11-19 07:37:18,353 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] [2023-11-19 07:37:18,354 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] [2023-11-19 07:37:18,355 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] [2023-11-19 07:37:18,357 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] [2023-11-19 07:37:18,573 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] [2023-11-19 07:37:18,986 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_31212484-a36f-41c0-864b-08983519643e/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] [2023-11-19 07:37:19,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:37:19,165 WARN L675 CHandler]: The function ldv_calloc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:37:19,166 WARN L675 CHandler]: The function __cmpxchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:37:19,166 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:37:19,166 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:37:19,174 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:37:19,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:19 WrapperNode [2023-11-19 07:37:19,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:37:19,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:19,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:37:19,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:37:19,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:19" (1/1) ... [2023-11-19 07:37:19,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:19" (1/1) ... [2023-11-19 07:37:19,671 INFO L138 Inliner]: procedures = 390, calls = 2850, calls flagged for inlining = 203, calls inlined = 169, statements flattened = 7282 [2023-11-19 07:37:19,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:37:19,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:37:19,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:37:19,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:37:19,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:19" (1/1) ... [2023-11-19 07:37:19,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:19" (1/1) ... [2023-11-19 07:37:19,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:19" (1/1) ... [2023-11-19 07:37:19,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:19" (1/1) ... [2023-11-19 07:37:19,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:19" (1/1) ... [2023-11-19 07:37:19,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:19" (1/1) ... [2023-11-19 07:37:20,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:19" (1/1) ... [2023-11-19 07:37:20,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:19" (1/1) ... [2023-11-19 07:37:20,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:37:20,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:37:20,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:37:20,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:37:20,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:19" (1/1) ... [2023-11-19 07:37:20,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:37:20,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31212484-a36f-41c0-864b-08983519643e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:37:20,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31212484-a36f-41c0-864b-08983519643e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:37:20,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31212484-a36f-41c0-864b-08983519643e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:37:20,368 INFO L130 BoogieDeclarations]: Found specification of procedure ib_wc_status_msg [2023-11-19 07:37:20,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_wc_status_msg [2023-11-19 07:37:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:37:20,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:37:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure isert_setup_id [2023-11-19 07:37:20,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_setup_id [2023-11-19 07:37:20,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:37:20,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:37:20,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:37:20,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:37:20,370 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2023-11-19 07:37:20,370 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2023-11-19 07:37:20,371 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2023-11-19 07:37:20,371 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2023-11-19 07:37:20,371 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_stop_dataout_timer [2023-11-19 07:37:20,371 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_stop_dataout_timer [2023-11-19 07:37:20,371 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_destroy_id [2023-11-19 07:37:20,371 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_destroy_id [2023-11-19 07:37:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:37:20,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:37:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure isert_cq_work [2023-11-19 07:37:20,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_cq_work [2023-11-19 07:37:20,372 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-19 07:37:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-19 07:37:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_recv [2023-11-19 07:37:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_recv [2023-11-19 07:37:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_device [2023-11-19 07:37:20,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_device [2023-11-19 07:37:20,373 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:37:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_unmap_single [2023-11-19 07:37:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_unmap_single [2023-11-19 07:37:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_send_wr [2023-11-19 07:37:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_send_wr [2023-11-19 07:37:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:37:20,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:37:20,374 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:37:20,375 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:37:20,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:37:20,375 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_address [2023-11-19 07:37:20,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_address [2023-11-19 07:37:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait_conn [2023-11-19 07:37:20,376 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait_conn [2023-11-19 07:37:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2023-11-19 07:37:20,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u64~0~X~int~X~int~TO~VOID [2023-11-19 07:37:20,376 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 07:37:20,376 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 07:37:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-19 07:37:20,377 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-19 07:37:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_map_single [2023-11-19 07:37:20,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_map_single [2023-11-19 07:37:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:37:20,377 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_terminate [2023-11-19 07:37:20,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_terminate [2023-11-19 07:37:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-19 07:37:20,378 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-19 07:37:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:37:20,378 INFO L130 BoogieDeclarations]: Found specification of procedure isert_prot_cmd [2023-11-19 07:37:20,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_prot_cmd [2023-11-19 07:37:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:37:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-19 07:37:20,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-19 07:37:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2023-11-19 07:37:20,379 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2023-11-19 07:37:20,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:37:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:37:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure isert_release_work [2023-11-19 07:37:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_release_work [2023-11-19 07:37:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:37:20,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:37:20,380 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_np [2023-11-19 07:37:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_np [2023-11-19 07:37:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure isert_comp_put [2023-11-19 07:37:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_comp_put [2023-11-19 07:37:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 07:37:20,381 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 07:37:20,381 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 07:37:20,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 07:37:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-11-19 07:37:20,382 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-11-19 07:37:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure sg_copy_from_buffer [2023-11-19 07:37:20,382 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_copy_from_buffer [2023-11-19 07:37:20,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:37:20,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:37:20,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:37:20,383 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2023-11-19 07:37:20,383 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2023-11-19 07:37:20,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:37:20,383 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-19 07:37:20,383 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-19 07:37:20,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:37:20,384 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:37:20,384 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:37:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:37:20,384 INFO L130 BoogieDeclarations]: Found specification of procedure isert_completion_put [2023-11-19 07:37:20,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_completion_put [2023-11-19 07:37:20,384 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 07:37:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-19 07:37:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_data_buf [2023-11-19 07:37:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_data_buf [2023-11-19 07:37:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure isert_inv_rkey [2023-11-19 07:37:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_inv_rkey [2023-11-19 07:37:20,385 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 07:37:20,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 07:37:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_sync_single_for_cpu [2023-11-19 07:37:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_sync_single_for_cpu [2023-11-19 07:37:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:37:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:37:20,386 INFO L130 BoogieDeclarations]: Found specification of procedure isert_allocate_cmd [2023-11-19 07:37:20,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_allocate_cmd [2023-11-19 07:37:20,387 INFO L130 BoogieDeclarations]: Found specification of procedure isert_do_control_comp [2023-11-19 07:37:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_do_control_comp [2023-11-19 07:37:20,387 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_conn [2023-11-19 07:37:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_conn [2023-11-19 07:37:20,387 INFO L130 BoogieDeclarations]: Found specification of procedure isert_connect_release [2023-11-19 07:37:20,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_connect_release [2023-11-19 07:37:20,387 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_comps [2023-11-19 07:37:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_comps [2023-11-19 07:37:20,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:37:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:37:20,388 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-19 07:37:20,388 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-19 07:37:20,388 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:37:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:37:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 07:37:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 07:37:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 07:37:20,389 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 07:37:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:37:20,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:37:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure isert_device_put [2023-11-19 07:37:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_device_put [2023-11-19 07:37:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:37:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:37:20,390 INFO L130 BoogieDeclarations]: Found specification of procedure isert_map_data_buf [2023-11-19 07:37:20,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_map_data_buf [2023-11-19 07:37:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 07:37:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 07:37:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_conn [2023-11-19 07:37:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_conn [2023-11-19 07:37:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send [2023-11-19 07:37:20,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send [2023-11-19 07:37:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure isert_init_tx_hdrs [2023-11-19 07:37:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_init_tx_hdrs [2023-11-19 07:37:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-19 07:37:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-19 07:37:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2023-11-19 07:37:20,392 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2023-11-19 07:37:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_fast_reg_page_list [2023-11-19 07:37:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_fast_reg_page_list [2023-11-19 07:37:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2023-11-19 07:37:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2023-11-19 07:37:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:37:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:37:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure isert_aborted_task [2023-11-19 07:37:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_aborted_task [2023-11-19 07:37:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:37:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:37:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-19 07:37:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-19 07:37:20,394 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_response [2023-11-19 07:37:20,394 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_response [2023-11-19 07:37:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure isert_wait4flush [2023-11-19 07:37:20,395 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_wait4flush [2023-11-19 07:37:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:37:20,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:37:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:37:20,395 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:37:20,395 INFO L130 BoogieDeclarations]: Found specification of procedure isert_free_login_buf [2023-11-19 07:37:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_free_login_buf [2023-11-19 07:37:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 07:37:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 07:37:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:37:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:37:20,396 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:37:20,396 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_priv_cmd [2023-11-19 07:37:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_priv_cmd [2023-11-19 07:37:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure isert_put_nopin [2023-11-19 07:37:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_put_nopin [2023-11-19 07:37:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:37:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2023-11-19 07:37:20,397 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2023-11-19 07:37:20,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:37:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:37:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_rdma [2023-11-19 07:37:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_rdma [2023-11-19 07:37:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:37:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:37:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:37:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_recv [2023-11-19 07:37:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_recv [2023-11-19 07:37:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-19 07:37:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-19 07:37:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:37:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:37:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-19 07:37:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-19 07:37:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 07:37:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 07:37:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rdma_post_recvl [2023-11-19 07:37:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rdma_post_recvl [2023-11-19 07:37:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:37:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:37:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure isert_conn_free_fastreg_pool [2023-11-19 07:37:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_conn_free_fastreg_pool [2023-11-19 07:37:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure transport_send_check_condition_and_sense [2023-11-19 07:37:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_send_check_condition_and_sense [2023-11-19 07:37:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 07:37:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 07:37:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure isert_reg_sig_mr [2023-11-19 07:37:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_reg_sig_mr [2023-11-19 07:37:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2023-11-19 07:37:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2023-11-19 07:37:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure isert_unmap_tx_desc [2023-11-19 07:37:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_unmap_tx_desc [2023-11-19 07:37:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 07:37:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 07:37:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2023-11-19 07:37:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2023-11-19 07:37:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2023-11-19 07:37:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2023-11-19 07:37:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure isert_handle_prot_cmd [2023-11-19 07:37:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_handle_prot_cmd [2023-11-19 07:37:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2023-11-19 07:37:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2023-11-19 07:37:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure ib_req_notify_cq [2023-11-19 07:37:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_req_notify_cq [2023-11-19 07:37:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:37:20,404 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:37:20,404 INFO L130 BoogieDeclarations]: Found specification of procedure isert_check_pi_status [2023-11-19 07:37:20,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_check_pi_status [2023-11-19 07:37:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2023-11-19 07:37:20,405 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2023-11-19 07:37:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:37:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure isert_create_send_desc [2023-11-19 07:37:20,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_create_send_desc [2023-11-19 07:37:20,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:37:20,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:37:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure ib_sg_dma_len [2023-11-19 07:37:20,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_sg_dma_len [2023-11-19 07:37:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure isert_fast_reg_mr [2023-11-19 07:37:20,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_fast_reg_mr [2023-11-19 07:37:20,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:37:20,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:37:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-19 07:37:20,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-19 07:37:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure isert_post_response [2023-11-19 07:37:20,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_post_response [2023-11-19 07:37:20,407 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_mr [2023-11-19 07:37:20,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_mr [2023-11-19 07:37:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 07:37:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 07:37:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure isert_rx_login_req [2023-11-19 07:37:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_rx_login_req [2023-11-19 07:37:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2023-11-19 07:37:20,408 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2023-11-19 07:37:20,408 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dma_mapping_error [2023-11-19 07:37:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dma_mapping_error [2023-11-19 07:37:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:37:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:37:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:37:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure target_put_sess_cmd [2023-11-19 07:37:20,409 INFO L138 BoogieDeclarations]: Found implementation of procedure target_put_sess_cmd [2023-11-19 07:37:20,409 INFO L130 BoogieDeclarations]: Found specification of procedure isert_set_dif_domain [2023-11-19 07:37:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isert_set_dif_domain [2023-11-19 07:37:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-19 07:37:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-19 07:37:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2023-11-19 07:37:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2023-11-19 07:37:20,410 INFO L130 BoogieDeclarations]: Found specification of procedure ib_alloc_fast_reg_page_list [2023-11-19 07:37:20,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_alloc_fast_reg_page_list [2023-11-19 07:37:20,411 INFO L130 BoogieDeclarations]: Found specification of procedure iscsit_build_rsp_pdu [2023-11-19 07:37:20,411 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsit_build_rsp_pdu [2023-11-19 07:37:21,593 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:37:21,598 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:37:21,869 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:37:30,674 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:37:30,700 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:37:30,700 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:37:30,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:30 BoogieIcfgContainer [2023-11-19 07:37:30,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:37:30,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:37:30,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:37:30,721 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:37:30,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:37:13" (1/3) ... [2023-11-19 07:37:30,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de3152e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:30, skipping insertion in model container [2023-11-19 07:37:30,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:37:19" (2/3) ... [2023-11-19 07:37:30,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de3152e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:37:30, skipping insertion in model container [2023-11-19 07:37:30,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:37:30" (3/3) ... [2023-11-19 07:37:30,724 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 [2023-11-19 07:37:30,747 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:37:30,747 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:37:30,871 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:37:30,880 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;@6b484c4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:37:30,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:37:30,897 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) [2023-11-19 07:37:30,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 07:37:30,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:37:30,930 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] [2023-11-19 07:37:30,930 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:37:30,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:30,937 INFO L85 PathProgramCache]: Analyzing trace with hash 476054249, now seen corresponding path program 1 times [2023-11-19 07:37:30,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:37:30,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958569134] [2023-11-19 07:37:30,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:30,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:37:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:31,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:37:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:31,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:31,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:37:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:31,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:31,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 07:37:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:31,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:32,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:37:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:32,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-19 07:37:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:32,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:32,149 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-19 07:37:32,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:37:32,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958569134] [2023-11-19 07:37:32,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958569134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:37:32,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:37:32,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:37:32,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159956520] [2023-11-19 07:37:32,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:37:32,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:37:32,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:37:32,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:37:32,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:37:32,210 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) [2023-11-19 07:37:34,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:37,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:39,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:37:53,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:37:53,595 INFO L93 Difference]: Finished difference Result 6144 states and 9267 transitions. [2023-11-19 07:37:53,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:37:53,598 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 [2023-11-19 07:37:53,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:37:53,658 INFO L225 Difference]: With dead ends: 6144 [2023-11-19 07:37:53,658 INFO L226 Difference]: Without dead ends: 3503 [2023-11-19 07:37:53,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:37:53,693 INFO L413 NwaCegarLoop]: 2726 mSDtfsCounter, 2534 mSDsluCounter, 4369 mSDsCounter, 0 mSdLazyCounter, 4073 mSolverCounterSat, 2304 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 7095 SdHoareTripleChecker+Invalid, 6380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2304 IncrementalHoareTripleChecker+Valid, 4073 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2023-11-19 07:37:53,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 7095 Invalid, 6380 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2304 Valid, 4073 Invalid, 3 Unknown, 0 Unchecked, 20.7s Time] [2023-11-19 07:37:53,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3503 states. [2023-11-19 07:37:54,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3503 to 2582. [2023-11-19 07:37:54,227 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) [2023-11-19 07:37:54,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2582 states and 3702 transitions. [2023-11-19 07:37:54,266 INFO L78 Accepts]: Start accepts. Automaton has 2582 states and 3702 transitions. Word has length 80 [2023-11-19 07:37:54,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:37:54,267 INFO L495 AbstractCegarLoop]: Abstraction has 2582 states and 3702 transitions. [2023-11-19 07:37:54,267 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) [2023-11-19 07:37:54,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 3702 transitions. [2023-11-19 07:37:54,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 07:37:54,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:37:54,273 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] [2023-11-19 07:37:54,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:37:54,273 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:37:54,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:37:54,274 INFO L85 PathProgramCache]: Analyzing trace with hash -16571925, now seen corresponding path program 1 times [2023-11-19 07:37:54,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:37:54,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604491558] [2023-11-19 07:37:54,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:37:54,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:37:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:54,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:37:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:54,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:54,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:37:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:54,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:37:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:54,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:54,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 07:37:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:54,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-19 07:37:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:54,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:54,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-19 07:37:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:37:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:37:55,021 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-19 07:37:55,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:37:55,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604491558] [2023-11-19 07:37:55,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604491558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:37:55,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:37:55,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:37:55,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585065429] [2023-11-19 07:37:55,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:37:55,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:37:55,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:37:55,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:37:55,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:37:55,029 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)