./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a38a97bc3461038e7e87049558558d95f8c77458c13b5d18555ac11c93e401e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:22:59,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:22:59,270 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:22:59,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:22:59,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:22:59,327 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:22:59,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:22:59,329 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:22:59,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:22:59,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:22:59,336 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:22:59,336 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:22:59,336 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:22:59,338 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:22:59,339 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:22:59,339 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:22:59,339 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:22:59,340 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:22:59,340 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:22:59,341 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:22:59,341 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:22:59,342 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:22:59,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:22:59,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:22:59,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:22:59,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:22:59,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:22:59,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:22:59,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:22:59,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:22:59,346 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:22:59,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:22:59,347 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:22:59,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:22:59,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:22:59,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:22:59,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:22:59,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:22:59,349 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:22:59,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:22:59,349 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:22:59,350 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:22:59,350 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:22:59,350 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:22:59,351 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a38a97bc3461038e7e87049558558d95f8c77458c13b5d18555ac11c93e401e9 [2023-11-23 21:22:59,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:22:59,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:22:59,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:22:59,679 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:22:59,680 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:22:59,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2023-11-23 21:23:02,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:03,585 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:03,586 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2023-11-23 21:23:03,663 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/bin/utaipan-verify-mE87zJ7Ire/data/17563c16f/9734512a0eee462e9f19dbaf02245b8f/FLAGceb6e591b [2023-11-23 21:23:03,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/bin/utaipan-verify-mE87zJ7Ire/data/17563c16f/9734512a0eee462e9f19dbaf02245b8f [2023-11-23 21:23:03,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:03,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:03,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:03,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:03,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:03,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:03" (1/1) ... [2023-11-23 21:23:03,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16e7ddcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:03, skipping insertion in model container [2023-11-23 21:23:03,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:03" (1/1) ... [2023-11-23 21:23:03,918 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:07,331 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_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i[405405,405418] [2023-11-23 21:23:07,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:07,563 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:07,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6827] [2023-11-23 21:23:07,762 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6829] [2023-11-23 21:23:07,763 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; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6839] [2023-11-23 21:23:07,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6846] [2023-11-23 21:23:07,763 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [6853] [2023-11-23 21:23:07,766 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; incl %0": "+m" (v->counter)); [6925] [2023-11-23 21:23:07,766 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; decl %0": "+m" (v->counter)); [6932] [2023-11-23 21:23:07,766 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; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6940-6941] [2023-11-23 21:23:07,767 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; incl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [6949-6950] [2023-11-23 21:23:07,767 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; addl %2, %0; sets %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [6958-6959] [2023-11-23 21:23:07,768 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; addq %1,%0": "=m" (v->counter): "er" (i), "m" (v->counter)); [6974-6975] [2023-11-23 21:23:07,768 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; incq %0": "=m" (v->counter): "m" (v->counter)); [6982] [2023-11-23 21:23:07,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7135] [2023-11-23 21:23:07,785 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7138] [2023-11-23 21:23:07,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [7140] [2023-11-23 21:23:07,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7145] [2023-11-23 21:23:07,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7148] [2023-11-23 21:23:07,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7150] [2023-11-23 21:23:07,787 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7155] [2023-11-23 21:23:07,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7158] [2023-11-23 21:23:07,789 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7160] [2023-11-23 21:23:07,790 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7165] [2023-11-23 21:23:07,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7168] [2023-11-23 21:23:07,791 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [7170] [2023-11-23 21:23:07,798 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7314] [2023-11-23 21:23:07,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/5027/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/core/cm.c"), "i" (1181), "i" (12UL)); [9578-9579] [2023-11-23 21:23:07,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers/--X--defaultlinux-4.2-rc1.tar.xz--X--32_7a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/5027/dscv_tempdir/dscv/ri/32_7a/drivers/infiniband/core/cm.c"), "i" (1330), "i" (12UL)); [9756-9757] [2023-11-23 21:23:08,179 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_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i[405405,405418] [2023-11-23 21:23:08,195 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:08,396 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:08,396 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:08,397 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:23:08,405 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:08,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:08 WrapperNode [2023-11-23 21:23:08,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:08,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:08,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:08,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:08,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:08" (1/1) ... [2023-11-23 21:23:08,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:08" (1/1) ... [2023-11-23 21:23:08,930 INFO L138 Inliner]: procedures = 441, calls = 4368, calls flagged for inlining = 210, calls inlined = 188, statements flattened = 8390 [2023-11-23 21:23:08,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:08,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:08,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:08,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:08,940 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:08" (1/1) ... [2023-11-23 21:23:08,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:08" (1/1) ... [2023-11-23 21:23:08,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:08" (1/1) ... [2023-11-23 21:23:08,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:08" (1/1) ... [2023-11-23 21:23:09,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:08" (1/1) ... [2023-11-23 21:23:09,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:08" (1/1) ... [2023-11-23 21:23:09,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:08" (1/1) ... [2023-11-23 21:23:09,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:08" (1/1) ... [2023-11-23 21:23:09,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:09,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:09,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:09,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:09,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:08" (1/1) ... [2023-11-23 21:23:09,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:09,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:09,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:09,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e45e9a-0b95-4df1-9fcf-8a36826b45c6/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-23 21:23:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-23 21:23:09,631 INFO L130 BoogieDeclarations]: Found specification of procedure cm_deref_id [2023-11-23 21:23:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_deref_id [2023-11-23 21:23:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure cm_reset_to_idle [2023-11-23 21:23:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_reset_to_idle [2023-11-23 21:23:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:23:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:23:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_mad_agent [2023-11-23 21:23:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_mad_agent [2023-11-23 21:23:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure be64_gt [2023-11-23 21:23:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure be64_gt [2023-11-23 21:23:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2023-11-23 21:23:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2023-11-23 21:23:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-23 21:23:09,633 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-23 21:23:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure cm_process_work [2023-11-23 21:23:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_process_work [2023-11-23 21:23:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:23:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:23:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure cm_ack_timeout [2023-11-23 21:23:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_ack_timeout [2023-11-23 21:23:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure cm_reject_sidr_req [2023-11-23 21:23:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_reject_sidr_req [2023-11-23 21:23:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_rej [2023-11-23 21:23:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_rej [2023-11-23 21:23:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure cm_set_private_data [2023-11-23 21:23:09,635 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_set_private_data [2023-11-23 21:23:09,635 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2023-11-23 21:23:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2023-11-23 21:23:09,636 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_local_qpn [2023-11-23 21:23:09,636 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_local_qpn [2023-11-23 21:23:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure cm_get_id [2023-11-23 21:23:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_get_id [2023-11-23 21:23:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure cm_alloc_response_msg [2023-11-23 21:23:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_alloc_response_msg [2023-11-23 21:23:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2023-11-23 21:23:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2023-11-23 21:23:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mra_get_service_timeout [2023-11-23 21:23:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mra_get_service_timeout [2023-11-23 21:23:09,639 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mask_copy [2023-11-23 21:23:09,639 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mask_copy [2023-11-23 21:23:09,640 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:23:09,641 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:23:09,641 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:23:09,641 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:23:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_resp_res [2023-11-23 21:23:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_resp_res [2023-11-23 21:23:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rej_set_reject_info_len [2023-11-23 21:23:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rej_set_reject_info_len [2023-11-23 21:23:09,642 INFO L130 BoogieDeclarations]: Found specification of procedure cm_enter_timewait [2023-11-23 21:23:09,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_enter_timewait [2023-11-23 21:23:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:23:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:23:09,643 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:23:09,643 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:23:09,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:23:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_drep [2023-11-23 21:23:09,645 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_drep [2023-11-23 21:23:09,645 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2023-11-23 21:23:09,645 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2023-11-23 21:23:09,646 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:23:09,646 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:23:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2023-11-23 21:23:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2023-11-23 21:23:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:23:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:23:09,647 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc_and_test [2023-11-23 21:23:09,647 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc_and_test [2023-11-23 21:23:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:23:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:23:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:23:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_set_alt_sl [2023-11-23 21:23:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_set_alt_sl [2023-11-23 21:23:09,648 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_cap_ib_cm [2023-11-23 21:23:09,648 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_cap_ib_cm [2023-11-23 21:23:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure cm_create_timewait_info [2023-11-23 21:23:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_create_timewait_info [2023-11-23 21:23:09,649 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:23:09,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:23:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:23:09,650 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_init_and_add [2023-11-23 21:23:09,650 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_init_and_add [2023-11-23 21:23:09,651 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_rnr_retry_count [2023-11-23 21:23:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_rnr_retry_count [2023-11-23 21:23:09,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:23:09,651 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_inc [2023-11-23 21:23:09,651 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_inc [2023-11-23 21:23:09,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:23:09,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:23:09,653 INFO L130 BoogieDeclarations]: Found specification of procedure cm_destroy_id [2023-11-23 21:23:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_destroy_id [2023-11-23 21:23:09,653 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:23:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:23:09,653 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-23 21:23:09,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-23 21:23:09,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:23:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:23:09,654 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_starting_psn [2023-11-23 21:23:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_starting_psn [2023-11-23 21:23:09,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:23:09,654 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_mra [2023-11-23 21:23:09,654 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_mra [2023-11-23 21:23:09,654 INFO L130 BoogieDeclarations]: Found specification of procedure cm_convert_to_ms [2023-11-23 21:23:09,655 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_convert_to_ms [2023-11-23 21:23:09,655 INFO L130 BoogieDeclarations]: Found specification of procedure cm_find_listen [2023-11-23 21:23:09,655 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_find_listen [2023-11-23 21:23:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2023-11-23 21:23:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2023-11-23 21:23:09,657 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_recv_mad [2023-11-23 21:23:09,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_recv_mad [2023-11-23 21:23:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:23:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:23:09,658 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_qpn [2023-11-23 21:23:09,658 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_qpn [2023-11-23 21:23:09,659 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 21:23:09,660 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 21:23:09,662 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2023-11-23 21:23:09,663 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2023-11-23 21:23:09,664 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_path_mtu [2023-11-23 21:23:09,664 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_path_mtu [2023-11-23 21:23:09,665 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2023-11-23 21:23:09,665 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2023-11-23 21:23:09,666 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_set_primary_sl [2023-11-23 21:23:09,666 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_set_primary_sl [2023-11-23 21:23:09,666 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2023-11-23 21:23:09,673 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2023-11-23 21:23:09,673 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2023-11-23 21:23:09,673 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2023-11-23 21:23:09,673 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 21:23:09,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 21:23:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-23 21:23:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-23 21:23:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_mad [2023-11-23 21:23:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_mad [2023-11-23 21:23:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_target_ack_delay [2023-11-23 21:23:09,674 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_target_ack_delay [2023-11-23 21:23:09,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cm_id [2023-11-23 21:23:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cm_id [2023-11-23 21:23:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:23:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:23:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-23 21:23:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-23 21:23:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure cm_free_msg [2023-11-23 21:23:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_free_msg [2023-11-23 21:23:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:23:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:23:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:23:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:23:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure cm_insert_remote_qpn [2023-11-23 21:23:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_insert_remote_qpn [2023-11-23 21:23:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure cm_work_handler [2023-11-23 21:23:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_work_handler [2023-11-23 21:23:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_send_mad [2023-11-23 21:23:09,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_send_mad [2023-11-23 21:23:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-23 21:23:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-23 21:23:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_mad_hdr [2023-11-23 21:23:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_mad_hdr [2023-11-23 21:23:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mra_get_msg_mraed [2023-11-23 21:23:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mra_get_msg_mraed [2023-11-23 21:23:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rej_set_msg_rejected [2023-11-23 21:23:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rej_set_msg_rejected [2023-11-23 21:23:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:23:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:23:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-23 21:23:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-23 21:23:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_rtu [2023-11-23 21:23:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_rtu [2023-11-23 21:23:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure cm_dequeue_work [2023-11-23 21:23:09,679 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_dequeue_work [2023-11-23 21:23:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_rnr_retry_count [2023-11-23 21:23:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_rnr_retry_count [2023-11-23 21:23:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:23:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:23:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure be32_lt [2023-11-23 21:23:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure be32_lt [2023-11-23 21:23:09,680 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_retry_count [2023-11-23 21:23:09,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_retry_count [2023-11-23 21:23:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:23:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:23:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure cm_init_av_for_response [2023-11-23 21:23:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_init_av_for_response [2023-11-23 21:23:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_init_depth [2023-11-23 21:23:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_init_depth [2023-11-23 21:23:09,681 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 21:23:09,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 21:23:09,682 INFO L130 BoogieDeclarations]: Found specification of procedure cm_remove_port_fs [2023-11-23 21:23:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_remove_port_fs [2023-11-23 21:23:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure cm_alloc_msg [2023-11-23 21:23:09,683 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_alloc_msg [2023-11-23 21:23:09,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:23:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:23:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:23:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:23:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2023-11-23 21:23:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2023-11-23 21:23:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_port [2023-11-23 21:23:09,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_port [2023-11-23 21:23:09,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:23:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:23:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:23:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-23 21:23:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-23 21:23:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:23:09,685 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:23:09,685 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_cm_id [2023-11-23 21:23:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_cm_id [2023-11-23 21:23:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 21:23:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 21:23:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_qp_type [2023-11-23 21:23:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_qp_type [2023-11-23 21:23:09,686 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-23 21:23:09,686 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-23 21:23:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure cm_cleanup_timewait [2023-11-23 21:23:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_cleanup_timewait [2023-11-23 21:23:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure cm_init_av_by_path [2023-11-23 21:23:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_init_av_by_path [2023-11-23 21:23:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure be32_gt [2023-11-23 21:23:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure be32_gt [2023-11-23 21:23:09,687 INFO L130 BoogieDeclarations]: Found specification of procedure cm_free_work [2023-11-23 21:23:09,687 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_free_work [2023-11-23 21:23:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure ib_send_cm_rej [2023-11-23 21:23:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_send_cm_rej [2023-11-23 21:23:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure cm_insert_remote_id [2023-11-23 21:23:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_insert_remote_id [2023-11-23 21:23:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:23:09,688 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:23:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:23:09,688 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 21:23:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 21:23:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:23:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:23:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send_mad [2023-11-23 21:23:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send_mad [2023-11-23 21:23:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2023-11-23 21:23:09,689 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2023-11-23 21:23:09,689 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-23 21:23:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-23 21:23:09,690 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2023-11-23 21:23:09,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2023-11-23 21:23:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_starting_psn [2023-11-23 21:23:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_starting_psn [2023-11-23 21:23:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure cm_copy_private_data [2023-11-23 21:23:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_copy_private_data [2023-11-23 21:23:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_local_resp_timeout [2023-11-23 21:23:09,695 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_local_resp_timeout [2023-11-23 21:23:09,695 INFO L130 BoogieDeclarations]: Found specification of procedure cm_form_tid [2023-11-23 21:23:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_form_tid [2023-11-23 21:23:09,696 INFO L130 BoogieDeclarations]: Found specification of procedure cm_acquire_id [2023-11-23 21:23:09,696 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_acquire_id [2023-11-23 21:23:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-23 21:23:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-23 21:23:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure ib_send_cm_sidr_rep [2023-11-23 21:23:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_send_cm_sidr_rep [2023-11-23 21:23:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 21:23:09,697 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 21:23:09,697 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2023-11-23 21:23:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2023-11-23 21:23:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_set_srq [2023-11-23 21:23:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_set_srq [2023-11-23 21:23:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure cm_issue_rej [2023-11-23 21:23:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_issue_rej [2023-11-23 21:23:09,698 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-23 21:23:09,698 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-23 21:23:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure ib_cancel_mad [2023-11-23 21:23:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_cancel_mad [2023-11-23 21:23:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure be64_lt [2023-11-23 21:23:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure be64_lt [2023-11-23 21:23:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure cm_devnode [2023-11-23 21:23:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_devnode [2023-11-23 21:23:09,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:23:09,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:23:09,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:10,855 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:10,860 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:11,073 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:23:32,963 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:35,809 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:35,810 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:23:35,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:35 BoogieIcfgContainer [2023-11-23 21:23:35,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:35,816 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:35,816 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:35,819 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:35,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:03" (1/3) ... [2023-11-23 21:23:35,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac4c079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:35, skipping insertion in model container [2023-11-23 21:23:35,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:08" (2/3) ... [2023-11-23 21:23:35,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ac4c079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:35, skipping insertion in model container [2023-11-23 21:23:35,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:35" (3/3) ... [2023-11-23 21:23:35,824 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2023-11-23 21:23:35,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:35,844 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:35,963 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:35,972 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31f39d80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:35,973 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:35,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 2165 states, 1274 states have (on average 1.305337519623234) internal successors, (1663), 1350 states have internal predecessors, (1663), 761 states have call successors, (761), 129 states have call predecessors, (761), 128 states have return successors, (751), 728 states have call predecessors, (751), 751 states have call successors, (751) [2023-11-23 21:23:36,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-23 21:23:36,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:36,062 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:36,063 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:36,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:36,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1028337092, now seen corresponding path program 1 times [2023-11-23 21:23:36,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:36,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234361665] [2023-11-23 21:23:36,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:36,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:37,425 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2023-11-23 21:23:37,426 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:37,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234361665] [2023-11-23 21:23:37,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234361665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:37,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:37,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:37,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740166003] [2023-11-23 21:23:37,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:37,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:37,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:37,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:37,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:37,492 INFO L87 Difference]: Start difference. First operand has 2165 states, 1274 states have (on average 1.305337519623234) internal successors, (1663), 1350 states have internal predecessors, (1663), 761 states have call successors, (761), 129 states have call predecessors, (761), 128 states have return successors, (751), 728 states have call predecessors, (751), 751 states have call successors, (751) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-23 21:23:41,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:46,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:48,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:50,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:23:52,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []