./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 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_732e8b5e-41a1-4086-a9ee-3e1142ef480e/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732e8b5e-41a1-4086-a9ee-3e1142ef480e/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732e8b5e-41a1-4086-a9ee-3e1142ef480e/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732e8b5e-41a1-4086-a9ee-3e1142ef480e/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732e8b5e-41a1-4086-a9ee-3e1142ef480e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732e8b5e-41a1-4086-a9ee-3e1142ef480e/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a38a97bc3461038e7e87049558558d95f8c77458c13b5d18555ac11c93e401e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:54:52,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:54:52,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732e8b5e-41a1-4086-a9ee-3e1142ef480e/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 04:54:52,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:54:52,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:54:52,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:54:52,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:54:52,376 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:54:52,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:54:52,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:54:52,378 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:54:52,378 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:54:52,379 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:54:52,380 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:54:52,380 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:54:52,381 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:54:52,382 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:54:52,382 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:54:52,383 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:54:52,384 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:54:52,384 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:54:52,385 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:54:52,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:54:52,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:54:52,387 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:54:52,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:54:52,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:54:52,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:54:52,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:54:52,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:54:52,390 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:54:52,391 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:54:52,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:54:52,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:54:52,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:54:52,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:54:52,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:54:52,394 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:54:52,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:54:52,395 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:54:52,396 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:54:52,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:54:52,397 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_732e8b5e-41a1-4086-a9ee-3e1142ef480e/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732e8b5e-41a1-4086-a9ee-3e1142ef480e/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a38a97bc3461038e7e87049558558d95f8c77458c13b5d18555ac11c93e401e9 [2023-11-19 04:54:52,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:54:52,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:54:52,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:54:52,708 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:54:52,709 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:54:52,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732e8b5e-41a1-4086-a9ee-3e1142ef480e/bin/utaipan-verify-t7M7D8N6sZ/../../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 [2023-11-19 04:54:55,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:54:56,684 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:54:56,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732e8b5e-41a1-4086-a9ee-3e1142ef480e/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 [2023-11-19 04:54:56,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732e8b5e-41a1-4086-a9ee-3e1142ef480e/bin/utaipan-verify-t7M7D8N6sZ/data/cb1da476c/9a3676783e794a7f9e8b8c09e1636fac/FLAGd2ff60b3f [2023-11-19 04:54:56,775 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732e8b5e-41a1-4086-a9ee-3e1142ef480e/bin/utaipan-verify-t7M7D8N6sZ/data/cb1da476c/9a3676783e794a7f9e8b8c09e1636fac [2023-11-19 04:54:56,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:54:56,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:54:56,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:54:56,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:54:56,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:54:56,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:56" (1/1) ... [2023-11-19 04:54:56,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c18504b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:54:56, skipping insertion in model container [2023-11-19 04:54:56,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:54:56" (1/1) ... [2023-11-19 04:54:57,034 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:55:00,520 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_732e8b5e-41a1-4086-a9ee-3e1142ef480e/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] [2023-11-19 04:55:00,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:00,760 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:55:00,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6827] [2023-11-19 04:55:00,932 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6829] [2023-11-19 04:55:00,933 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] [2023-11-19 04:55:00,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6846] [2023-11-19 04:55:00,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [6853] [2023-11-19 04:55:00,941 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] [2023-11-19 04:55:00,941 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] [2023-11-19 04:55:00,942 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] [2023-11-19 04:55:00,943 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] [2023-11-19 04:55:00,943 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] [2023-11-19 04:55:00,945 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] [2023-11-19 04:55:00,945 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] [2023-11-19 04:55:00,949 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7135] [2023-11-19 04:55:00,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7138] [2023-11-19 04:55:00,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [7140] [2023-11-19 04:55:00,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7145] [2023-11-19 04:55:00,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7148] [2023-11-19 04:55:00,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7150] [2023-11-19 04:55:00,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7155] [2023-11-19 04:55:00,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7158] [2023-11-19 04:55:00,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7160] [2023-11-19 04:55:00,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7165] [2023-11-19 04:55:00,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7168] [2023-11-19 04:55:00,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [7170] [2023-11-19 04:55:00,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7314] [2023-11-19 04:55:01,064 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] [2023-11-19 04:55:01,081 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] [2023-11-19 04:55:01,289 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_732e8b5e-41a1-4086-a9ee-3e1142ef480e/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] [2023-11-19 04:55:01,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:01,481 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:55:01,481 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:55:01,481 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:55:01,489 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:55:01,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01 WrapperNode [2023-11-19 04:55:01,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:01,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:01,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:55:01,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:55:01,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:01,993 INFO L138 Inliner]: procedures = 441, calls = 4368, calls flagged for inlining = 210, calls inlined = 188, statements flattened = 8390 [2023-11-19 04:55:01,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:01,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:55:01,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:55:01,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:55:02,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:02,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:02,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:02,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:02,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:02,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:02,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:02,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:02,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:55:02,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:55:02,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:55:02,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:55:02,461 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (1/1) ... [2023-11-19 04:55:02,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:02,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732e8b5e-41a1-4086-a9ee-3e1142ef480e/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:02,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732e8b5e-41a1-4086-a9ee-3e1142ef480e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:55:02,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_732e8b5e-41a1-4086-a9ee-3e1142ef480e/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:55:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 04:55:02,545 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 04:55:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure cm_deref_id [2023-11-19 04:55:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_deref_id [2023-11-19 04:55:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure cm_reset_to_idle [2023-11-19 04:55:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_reset_to_idle [2023-11-19 04:55:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 04:55:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 04:55:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_mad_agent [2023-11-19 04:55:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_mad_agent [2023-11-19 04:55:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure be64_gt [2023-11-19 04:55:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure be64_gt [2023-11-19 04:55:02,547 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2023-11-19 04:55:02,547 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2023-11-19 04:55:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 04:55:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 04:55:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure cm_process_work [2023-11-19 04:55:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_process_work [2023-11-19 04:55:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 04:55:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 04:55:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure cm_ack_timeout [2023-11-19 04:55:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_ack_timeout [2023-11-19 04:55:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure cm_reject_sidr_req [2023-11-19 04:55:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_reject_sidr_req [2023-11-19 04:55:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_rej [2023-11-19 04:55:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_rej [2023-11-19 04:55:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure cm_set_private_data [2023-11-19 04:55:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_set_private_data [2023-11-19 04:55:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2023-11-19 04:55:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2023-11-19 04:55:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_local_qpn [2023-11-19 04:55:02,551 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_local_qpn [2023-11-19 04:55:02,551 INFO L130 BoogieDeclarations]: Found specification of procedure cm_get_id [2023-11-19 04:55:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_get_id [2023-11-19 04:55:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure cm_alloc_response_msg [2023-11-19 04:55:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_alloc_response_msg [2023-11-19 04:55:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2023-11-19 04:55:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2023-11-19 04:55:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mra_get_service_timeout [2023-11-19 04:55:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mra_get_service_timeout [2023-11-19 04:55:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mask_copy [2023-11-19 04:55:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mask_copy [2023-11-19 04:55:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 04:55:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 04:55:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 04:55:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 04:55:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_resp_res [2023-11-19 04:55:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_resp_res [2023-11-19 04:55:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rej_set_reject_info_len [2023-11-19 04:55:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rej_set_reject_info_len [2023-11-19 04:55:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure cm_enter_timewait [2023-11-19 04:55:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_enter_timewait [2023-11-19 04:55:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 04:55:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 04:55:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 04:55:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 04:55:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:55:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_drep [2023-11-19 04:55:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_drep [2023-11-19 04:55:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2023-11-19 04:55:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2023-11-19 04:55:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 04:55:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 04:55:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2023-11-19 04:55:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2023-11-19 04:55:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 04:55:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 04:55:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc_and_test [2023-11-19 04:55:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc_and_test [2023-11-19 04:55:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 04:55:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 04:55:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 04:55:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_set_alt_sl [2023-11-19 04:55:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_set_alt_sl [2023-11-19 04:55:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_cap_ib_cm [2023-11-19 04:55:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_cap_ib_cm [2023-11-19 04:55:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure cm_create_timewait_info [2023-11-19 04:55:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_create_timewait_info [2023-11-19 04:55:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 04:55:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 04:55:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:55:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_init_and_add [2023-11-19 04:55:02,563 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_init_and_add [2023-11-19 04:55:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_rnr_retry_count [2023-11-19 04:55:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_rnr_retry_count [2023-11-19 04:55:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:55:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_inc [2023-11-19 04:55:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_inc [2023-11-19 04:55:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 04:55:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 04:55:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure cm_destroy_id [2023-11-19 04:55:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_destroy_id [2023-11-19 04:55:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 04:55:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 04:55:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-19 04:55:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-19 04:55:02,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 04:55:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 04:55:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_starting_psn [2023-11-19 04:55:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_starting_psn [2023-11-19 04:55:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:55:02,567 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_mra [2023-11-19 04:55:02,567 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_mra [2023-11-19 04:55:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure cm_convert_to_ms [2023-11-19 04:55:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_convert_to_ms [2023-11-19 04:55:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure cm_find_listen [2023-11-19 04:55:02,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_find_listen [2023-11-19 04:55:02,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:55:02,569 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2023-11-19 04:55:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2023-11-19 04:55:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_recv_mad [2023-11-19 04:55:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_recv_mad [2023-11-19 04:55:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:55:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 04:55:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_qpn [2023-11-19 04:55:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_qpn [2023-11-19 04:55:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 04:55:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 04:55:02,572 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2023-11-19 04:55:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2023-11-19 04:55:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_path_mtu [2023-11-19 04:55:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_path_mtu [2023-11-19 04:55:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2023-11-19 04:55:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2023-11-19 04:55:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_set_primary_sl [2023-11-19 04:55:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_set_primary_sl [2023-11-19 04:55:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2023-11-19 04:55:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2023-11-19 04:55:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2023-11-19 04:55:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2023-11-19 04:55:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 04:55:02,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 04:55:02,589 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-19 04:55:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-19 04:55:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_mad [2023-11-19 04:55:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_mad [2023-11-19 04:55:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_target_ack_delay [2023-11-19 04:55:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_target_ack_delay [2023-11-19 04:55:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:55:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:55:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cm_id [2023-11-19 04:55:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cm_id [2023-11-19 04:55:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 04:55:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 04:55:02,591 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 04:55:02,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 04:55:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure cm_free_msg [2023-11-19 04:55:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_free_msg [2023-11-19 04:55:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 04:55:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 04:55:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 04:55:02,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 04:55:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure cm_insert_remote_qpn [2023-11-19 04:55:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_insert_remote_qpn [2023-11-19 04:55:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure cm_work_handler [2023-11-19 04:55:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_work_handler [2023-11-19 04:55:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_send_mad [2023-11-19 04:55:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_send_mad [2023-11-19 04:55:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-19 04:55:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-19 04:55:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_mad_hdr [2023-11-19 04:55:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_mad_hdr [2023-11-19 04:55:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mra_get_msg_mraed [2023-11-19 04:55:02,594 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mra_get_msg_mraed [2023-11-19 04:55:02,594 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rej_set_msg_rejected [2023-11-19 04:55:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rej_set_msg_rejected [2023-11-19 04:55:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 04:55:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 04:55:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-19 04:55:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-19 04:55:02,595 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_rtu [2023-11-19 04:55:02,595 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_rtu [2023-11-19 04:55:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure cm_dequeue_work [2023-11-19 04:55:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_dequeue_work [2023-11-19 04:55:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_rnr_retry_count [2023-11-19 04:55:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_rnr_retry_count [2023-11-19 04:55:02,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:55:02,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:55:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure be32_lt [2023-11-19 04:55:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure be32_lt [2023-11-19 04:55:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_retry_count [2023-11-19 04:55:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_retry_count [2023-11-19 04:55:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:55:02,597 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:55:02,597 INFO L130 BoogieDeclarations]: Found specification of procedure cm_init_av_for_response [2023-11-19 04:55:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_init_av_for_response [2023-11-19 04:55:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_init_depth [2023-11-19 04:55:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_init_depth [2023-11-19 04:55:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 04:55:02,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 04:55:02,598 INFO L130 BoogieDeclarations]: Found specification of procedure cm_remove_port_fs [2023-11-19 04:55:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_remove_port_fs [2023-11-19 04:55:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure cm_alloc_msg [2023-11-19 04:55:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_alloc_msg [2023-11-19 04:55:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:55:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 04:55:02,599 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 04:55:02,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:55:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2023-11-19 04:55:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2023-11-19 04:55:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_port [2023-11-19 04:55:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_port [2023-11-19 04:55:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 04:55:02,600 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 04:55:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 04:55:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 04:55:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 04:55:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-19 04:55:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-19 04:55:02,601 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_cm_id [2023-11-19 04:55:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_cm_id [2023-11-19 04:55:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 04:55:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 04:55:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_qp_type [2023-11-19 04:55:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_qp_type [2023-11-19 04:55:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-19 04:55:02,602 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-19 04:55:02,602 INFO L130 BoogieDeclarations]: Found specification of procedure cm_cleanup_timewait [2023-11-19 04:55:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_cleanup_timewait [2023-11-19 04:55:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure cm_init_av_by_path [2023-11-19 04:55:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_init_av_by_path [2023-11-19 04:55:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure be32_gt [2023-11-19 04:55:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure be32_gt [2023-11-19 04:55:02,603 INFO L130 BoogieDeclarations]: Found specification of procedure cm_free_work [2023-11-19 04:55:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_free_work [2023-11-19 04:55:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure ib_send_cm_rej [2023-11-19 04:55:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_send_cm_rej [2023-11-19 04:55:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure cm_insert_remote_id [2023-11-19 04:55:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_insert_remote_id [2023-11-19 04:55:02,604 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 04:55:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 04:55:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:55:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 04:55:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 04:55:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 04:55:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 04:55:02,605 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send_mad [2023-11-19 04:55:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send_mad [2023-11-19 04:55:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2023-11-19 04:55:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2023-11-19 04:55:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 04:55:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 04:55:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2023-11-19 04:55:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2023-11-19 04:55:02,606 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_starting_psn [2023-11-19 04:55:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_starting_psn [2023-11-19 04:55:02,608 INFO L130 BoogieDeclarations]: Found specification of procedure cm_copy_private_data [2023-11-19 04:55:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_copy_private_data [2023-11-19 04:55:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_local_resp_timeout [2023-11-19 04:55:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_local_resp_timeout [2023-11-19 04:55:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure cm_form_tid [2023-11-19 04:55:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_form_tid [2023-11-19 04:55:02,612 INFO L130 BoogieDeclarations]: Found specification of procedure cm_acquire_id [2023-11-19 04:55:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_acquire_id [2023-11-19 04:55:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-19 04:55:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-19 04:55:02,613 INFO L130 BoogieDeclarations]: Found specification of procedure ib_send_cm_sidr_rep [2023-11-19 04:55:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_send_cm_sidr_rep [2023-11-19 04:55:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 04:55:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 04:55:02,614 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2023-11-19 04:55:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2023-11-19 04:55:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_set_srq [2023-11-19 04:55:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_set_srq [2023-11-19 04:55:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure cm_issue_rej [2023-11-19 04:55:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_issue_rej [2023-11-19 04:55:02,615 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 04:55:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 04:55:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure ib_cancel_mad [2023-11-19 04:55:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_cancel_mad [2023-11-19 04:55:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure be64_lt [2023-11-19 04:55:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure be64_lt [2023-11-19 04:55:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure cm_devnode [2023-11-19 04:55:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_devnode [2023-11-19 04:55:02,616 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:55:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 04:55:02,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:55:03,896 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:55:03,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:55:04,197 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 04:55:29,541 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:55:32,492 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:55:32,492 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:55:32,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:32 BoogieIcfgContainer [2023-11-19 04:55:32,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:55:32,511 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:55:32,511 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:55:32,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:55:32,514 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:54:56" (1/3) ... [2023-11-19 04:55:32,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6463e9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:32, skipping insertion in model container [2023-11-19 04:55:32,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:01" (2/3) ... [2023-11-19 04:55:32,516 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6463e9e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:32, skipping insertion in model container [2023-11-19 04:55:32,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:32" (3/3) ... [2023-11-19 04:55:32,517 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2023-11-19 04:55:32,537 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:55:32,537 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:55:32,628 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:55:32,635 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;@48140d8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:55:32,635 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:55:32,648 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) [2023-11-19 04:55:32,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 04:55:32,692 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:32,692 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] [2023-11-19 04:55:32,693 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:55:32,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:32,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1314825150, now seen corresponding path program 1 times [2023-11-19 04:55:32,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:32,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778941478] [2023-11-19 04:55:32,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:32,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2023-11-19 04:55:33,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:55:33,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778941478] [2023-11-19 04:55:33,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778941478] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:33,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:33,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:55:33,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005718065] [2023-11-19 04:55:33,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:33,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:55:33,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:55:33,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:55:33,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:55:33,898 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) [2023-11-19 04:55:36,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:39,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 04:55:41,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []