./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-08_1a-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_a8d90f65-e149-4a14-a67a-e1467a9d4287/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d90f65-e149-4a14-a67a-e1467a9d4287/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_a8d90f65-e149-4a14-a67a-e1467a9d4287/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d90f65-e149-4a14-a67a-e1467a9d4287/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d90f65-e149-4a14-a67a-e1467a9d4287/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_a8d90f65-e149-4a14-a67a-e1467a9d4287/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 43cf6d17994e4ca10db4f92c4e83b8cb43d421b390c0dc616f8207713547bfb5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:13:37,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:13:37,160 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d90f65-e149-4a14-a67a-e1467a9d4287/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:13:37,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:13:37,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:13:37,193 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:13:37,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:13:37,195 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:13:37,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:13:37,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:13:37,197 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:13:37,198 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:13:37,198 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:13:37,199 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:13:37,200 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:13:37,200 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:13:37,201 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:13:37,202 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:13:37,202 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:13:37,203 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:13:37,204 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:13:37,204 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:13:37,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:13:37,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:13:37,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:13:37,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:13:37,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:13:37,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:13:37,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:13:37,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:13:37,209 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:13:37,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:13:37,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:13:37,211 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:13:37,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:37,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:13:37,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:13:37,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:13:37,215 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:13:37,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:13:37,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:13:37,216 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:13:37,216 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:13:37,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:13:37,217 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_a8d90f65-e149-4a14-a67a-e1467a9d4287/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d90f65-e149-4a14-a67a-e1467a9d4287/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43cf6d17994e4ca10db4f92c4e83b8cb43d421b390c0dc616f8207713547bfb5 [2023-11-23 21:13:37,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:13:37,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:13:37,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:13:37,526 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:13:37,526 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:13:37,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d90f65-e149-4a14-a67a-e1467a9d4287/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2023-11-23 21:13:40,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:13:41,759 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:13:41,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d90f65-e149-4a14-a67a-e1467a9d4287/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2023-11-23 21:13:41,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d90f65-e149-4a14-a67a-e1467a9d4287/bin/utaipan-verify-mE87zJ7Ire/data/b401e46c7/689e704e675d4e5a928fe78135b4b5ef/FLAG35bcdb8b8 [2023-11-23 21:13:41,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d90f65-e149-4a14-a67a-e1467a9d4287/bin/utaipan-verify-mE87zJ7Ire/data/b401e46c7/689e704e675d4e5a928fe78135b4b5ef [2023-11-23 21:13:41,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:13:41,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:13:41,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:41,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:13:41,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:13:41,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:41" (1/1) ... [2023-11-23 21:13:41,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1913fd43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:41, skipping insertion in model container [2023-11-23 21:13:41,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:13:41" (1/1) ... [2023-11-23 21:13:42,078 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:13:45,699 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_a8d90f65-e149-4a14-a67a-e1467a9d4287/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i[403556,403569] [2023-11-23 21:13:45,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:45,884 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:13:46,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6834] [2023-11-23 21:13:46,102 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [6836] [2023-11-23 21:13:46,104 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"); [6846] [2023-11-23 21:13:46,104 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [6853] [2023-11-23 21:13:46,105 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapq %0": "=r" (val): "0" (val)); [6860] [2023-11-23 21:13:46,108 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)); [6932] [2023-11-23 21:13:46,108 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)); [6939] [2023-11-23 21:13:46,109 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"); [6947-6948] [2023-11-23 21:13:46,110 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"); [6956-6957] [2023-11-23 21:13:46,116 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"); [6965-6966] [2023-11-23 21:13:46,117 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)); [6981-6982] [2023-11-23 21:13:46,118 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)); [6989] [2023-11-23 21:13:46,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7030] [2023-11-23 21:13:46,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7033] [2023-11-23 21:13:46,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [7035] [2023-11-23 21:13:46,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7040] [2023-11-23 21:13:46,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7043] [2023-11-23 21:13:46,122 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7045] [2023-11-23 21:13:46,124 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7050] [2023-11-23 21:13:46,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7053] [2023-11-23 21:13:46,125 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7055] [2023-11-23 21:13:46,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7060] [2023-11-23 21:13:46,127 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7063] [2023-11-23 21:13:46,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [7065] [2023-11-23 21:13:46,134 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7211] [2023-11-23 21:13:46,311 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--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/5027/dscv_tempdir/dscv/ri/08_1a/drivers/infiniband/core/cm.c"), "i" (1181), "i" (12UL)); [9568-9569] [2023-11-23 21:13:46,335 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--08_1a--X--cpachecker/linux-4.2-rc1.tar.xz/csd_deg_dscv/5027/dscv_tempdir/dscv/ri/08_1a/drivers/infiniband/core/cm.c"), "i" (1330), "i" (12UL)); [9746-9747] [2023-11-23 21:13:46,596 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_a8d90f65-e149-4a14-a67a-e1467a9d4287/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i[403556,403569] [2023-11-23 21:13:46,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:13:46,768 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:13:46,769 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:13:46,769 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:13:46,777 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:13:46,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:46 WrapperNode [2023-11-23 21:13:46,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:13:46,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:46,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:13:46,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:13:46,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:46" (1/1) ... [2023-11-23 21:13:46,998 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:46" (1/1) ... [2023-11-23 21:13:47,328 INFO L138 Inliner]: procedures = 402, calls = 4302, calls flagged for inlining = 209, calls inlined = 188, statements flattened = 8384 [2023-11-23 21:13:47,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:13:47,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:13:47,330 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:13:47,330 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:13:47,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:46" (1/1) ... [2023-11-23 21:13:47,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:46" (1/1) ... [2023-11-23 21:13:47,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:46" (1/1) ... [2023-11-23 21:13:47,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:46" (1/1) ... [2023-11-23 21:13:47,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:46" (1/1) ... [2023-11-23 21:13:47,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:46" (1/1) ... [2023-11-23 21:13:47,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:46" (1/1) ... [2023-11-23 21:13:47,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:46" (1/1) ... [2023-11-23 21:13:47,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:13:47,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:13:47,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:13:47,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:13:47,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:46" (1/1) ... [2023-11-23 21:13:47,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:13:47,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d90f65-e149-4a14-a67a-e1467a9d4287/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:13:47,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d90f65-e149-4a14-a67a-e1467a9d4287/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:13:47,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d90f65-e149-4a14-a67a-e1467a9d4287/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:13:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-23 21:13:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-23 21:13:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure cm_deref_id [2023-11-23 21:13:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_deref_id [2023-11-23 21:13:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure cm_reset_to_idle [2023-11-23 21:13:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_reset_to_idle [2023-11-23 21:13:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:13:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:13:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure ib_unregister_mad_agent [2023-11-23 21:13:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_unregister_mad_agent [2023-11-23 21:13:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure be64_gt [2023-11-23 21:13:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure be64_gt [2023-11-23 21:13:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2023-11-23 21:13:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2023-11-23 21:13:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-23 21:13:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-23 21:13:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure cm_process_work [2023-11-23 21:13:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_process_work [2023-11-23 21:13:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:13:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:13:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure cm_ack_timeout [2023-11-23 21:13:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_ack_timeout [2023-11-23 21:13:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure cm_reject_sidr_req [2023-11-23 21:13:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_reject_sidr_req [2023-11-23 21:13:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_rej [2023-11-23 21:13:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_rej [2023-11-23 21:13:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure cm_set_private_data [2023-11-23 21:13:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_set_private_data [2023-11-23 21:13:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure class_unregister [2023-11-23 21:13:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure class_unregister [2023-11-23 21:13:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_local_qpn [2023-11-23 21:13:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_local_qpn [2023-11-23 21:13:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure cm_get_id [2023-11-23 21:13:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_get_id [2023-11-23 21:13:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure cm_alloc_response_msg [2023-11-23 21:13:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_alloc_response_msg [2023-11-23 21:13:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2023-11-23 21:13:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2023-11-23 21:13:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mra_get_service_timeout [2023-11-23 21:13:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mra_get_service_timeout [2023-11-23 21:13:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mask_copy [2023-11-23 21:13:47,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mask_copy [2023-11-23 21:13:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:13:47,927 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:13:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:13:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:13:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_resp_res [2023-11-23 21:13:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_resp_res [2023-11-23 21:13:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rej_set_reject_info_len [2023-11-23 21:13:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rej_set_reject_info_len [2023-11-23 21:13:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure cm_enter_timewait [2023-11-23 21:13:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_enter_timewait [2023-11-23 21:13:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:13:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:13:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:13:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:13:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:13:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_drep [2023-11-23 21:13:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_drep [2023-11-23 21:13:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure rb_link_node [2023-11-23 21:13:47,930 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_link_node [2023-11-23 21:13:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-23 21:13:47,930 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-23 21:13:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2023-11-23 21:13:47,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2023-11-23 21:13:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:13:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:13:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc_and_test [2023-11-23 21:13:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc_and_test [2023-11-23 21:13:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-23 21:13:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-23 21:13:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:13:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_set_alt_sl [2023-11-23 21:13:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_set_alt_sl [2023-11-23 21:13:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_cap_ib_cm [2023-11-23 21:13:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_cap_ib_cm [2023-11-23 21:13:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure cm_create_timewait_info [2023-11-23 21:13:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_create_timewait_info [2023-11-23 21:13:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:13:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:13:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:13:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_init_and_add [2023-11-23 21:13:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_init_and_add [2023-11-23 21:13:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_rnr_retry_count [2023-11-23 21:13:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_rnr_retry_count [2023-11-23 21:13:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:13:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_inc [2023-11-23 21:13:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_inc [2023-11-23 21:13:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:13:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:13:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure cm_destroy_id [2023-11-23 21:13:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_destroy_id [2023-11-23 21:13:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-23 21:13:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-23 21:13:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-23 21:13:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-23 21:13:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:13:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:13:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_starting_psn [2023-11-23 21:13:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_starting_psn [2023-11-23 21:13:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:13:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_mra [2023-11-23 21:13:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_mra [2023-11-23 21:13:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure cm_convert_to_ms [2023-11-23 21:13:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_convert_to_ms [2023-11-23 21:13:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure cm_find_listen [2023-11-23 21:13:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_find_listen [2023-11-23 21:13:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:13:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2023-11-23 21:13:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2023-11-23 21:13:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure ib_free_recv_mad [2023-11-23 21:13:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_free_recv_mad [2023-11-23 21:13:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:13:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:13:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_qpn [2023-11-23 21:13:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_qpn [2023-11-23 21:13:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-23 21:13:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-23 21:13:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2023-11-23 21:13:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2023-11-23 21:13:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_path_mtu [2023-11-23 21:13:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_path_mtu [2023-11-23 21:13:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure rb_erase [2023-11-23 21:13:47,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_erase [2023-11-23 21:13:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_set_primary_sl [2023-11-23 21:13:47,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_set_primary_sl [2023-11-23 21:13:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure device_unregister [2023-11-23 21:13:47,940 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unregister [2023-11-23 21:13:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure rb_insert_color [2023-11-23 21:13:47,941 INFO L138 BoogieDeclarations]: Found implementation of procedure rb_insert_color [2023-11-23 21:13:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 21:13:47,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 21:13:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-23 21:13:47,941 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-23 21:13:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_mad [2023-11-23 21:13:47,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_mad [2023-11-23 21:13:47,942 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_target_ack_delay [2023-11-23 21:13:47,942 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_target_ack_delay [2023-11-23 21:13:47,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:13:47,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:13:47,942 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cm_id [2023-11-23 21:13:47,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cm_id [2023-11-23 21:13:47,943 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:13:47,943 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:13:47,943 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-23 21:13:47,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-23 21:13:47,943 INFO L130 BoogieDeclarations]: Found specification of procedure cm_free_msg [2023-11-23 21:13:47,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_free_msg [2023-11-23 21:13:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:13:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:13:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:13:47,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:13:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure cm_insert_remote_qpn [2023-11-23 21:13:47,944 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_insert_remote_qpn [2023-11-23 21:13:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure cm_work_handler [2023-11-23 21:13:47,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_work_handler [2023-11-23 21:13:47,945 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_send_mad [2023-11-23 21:13:47,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_send_mad [2023-11-23 21:13:47,945 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-23 21:13:47,945 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-23 21:13:47,945 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_mad_hdr [2023-11-23 21:13:47,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_mad_hdr [2023-11-23 21:13:47,946 INFO L130 BoogieDeclarations]: Found specification of procedure cm_mra_get_msg_mraed [2023-11-23 21:13:47,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_mra_get_msg_mraed [2023-11-23 21:13:47,946 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rej_set_msg_rejected [2023-11-23 21:13:47,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rej_set_msg_rejected [2023-11-23 21:13:47,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:13:47,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:13:47,947 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2023-11-23 21:13:47,947 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2023-11-23 21:13:47,947 INFO L130 BoogieDeclarations]: Found specification of procedure cm_format_rtu [2023-11-23 21:13:47,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_format_rtu [2023-11-23 21:13:47,947 INFO L130 BoogieDeclarations]: Found specification of procedure cm_dequeue_work [2023-11-23 21:13:47,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_dequeue_work [2023-11-23 21:13:47,947 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_rnr_retry_count [2023-11-23 21:13:47,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_rnr_retry_count [2023-11-23 21:13:47,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:13:47,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:13:47,948 INFO L130 BoogieDeclarations]: Found specification of procedure be32_lt [2023-11-23 21:13:47,948 INFO L138 BoogieDeclarations]: Found implementation of procedure be32_lt [2023-11-23 21:13:47,948 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_retry_count [2023-11-23 21:13:47,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_retry_count [2023-11-23 21:13:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:13:47,949 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:13:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure cm_init_av_for_response [2023-11-23 21:13:47,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_init_av_for_response [2023-11-23 21:13:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_init_depth [2023-11-23 21:13:47,949 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_init_depth [2023-11-23 21:13:47,949 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 21:13:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 21:13:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure cm_remove_port_fs [2023-11-23 21:13:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_remove_port_fs [2023-11-23 21:13:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure cm_alloc_msg [2023-11-23 21:13:47,950 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_alloc_msg [2023-11-23 21:13:47,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:13:47,951 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:13:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:13:47,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:13:47,951 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2023-11-23 21:13:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2023-11-23 21:13:47,951 INFO L130 BoogieDeclarations]: Found specification of procedure ib_modify_port [2023-11-23 21:13:47,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_modify_port [2023-11-23 21:13:47,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:13:47,952 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:13:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:13:47,952 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-23 21:13:47,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-23 21:13:47,952 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 21:13:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 21:13:47,953 INFO L130 BoogieDeclarations]: Found specification of procedure ib_create_cm_id [2023-11-23 21:13:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_create_cm_id [2023-11-23 21:13:47,953 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 21:13:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 21:13:47,953 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_qp_type [2023-11-23 21:13:47,953 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_qp_type [2023-11-23 21:13:47,954 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-23 21:13:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-23 21:13:47,954 INFO L130 BoogieDeclarations]: Found specification of procedure cm_cleanup_timewait [2023-11-23 21:13:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_cleanup_timewait [2023-11-23 21:13:47,954 INFO L130 BoogieDeclarations]: Found specification of procedure cm_init_av_by_path [2023-11-23 21:13:47,954 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_init_av_by_path [2023-11-23 21:13:47,954 INFO L130 BoogieDeclarations]: Found specification of procedure be32_gt [2023-11-23 21:13:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure be32_gt [2023-11-23 21:13:47,955 INFO L130 BoogieDeclarations]: Found specification of procedure cm_free_work [2023-11-23 21:13:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_free_work [2023-11-23 21:13:47,955 INFO L130 BoogieDeclarations]: Found specification of procedure ib_send_cm_rej [2023-11-23 21:13:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_send_cm_rej [2023-11-23 21:13:47,955 INFO L130 BoogieDeclarations]: Found specification of procedure cm_insert_remote_id [2023-11-23 21:13:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_insert_remote_id [2023-11-23 21:13:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:13:47,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:13:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:13:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:13:47,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:13:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-23 21:13:47,956 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-23 21:13:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure ib_post_send_mad [2023-11-23 21:13:47,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_post_send_mad [2023-11-23 21:13:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure idr_find [2023-11-23 21:13:47,957 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_find [2023-11-23 21:13:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-23 21:13:47,957 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-23 21:13:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_put [2023-11-23 21:13:47,958 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_put [2023-11-23 21:13:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_get_starting_psn [2023-11-23 21:13:47,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_get_starting_psn [2023-11-23 21:13:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure cm_copy_private_data [2023-11-23 21:13:47,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_copy_private_data [2023-11-23 21:13:47,958 INFO L130 BoogieDeclarations]: Found specification of procedure cm_req_get_local_resp_timeout [2023-11-23 21:13:47,958 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_req_get_local_resp_timeout [2023-11-23 21:13:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure cm_form_tid [2023-11-23 21:13:47,959 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_form_tid [2023-11-23 21:13:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure cm_acquire_id [2023-11-23 21:13:47,959 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_acquire_id [2023-11-23 21:13:47,959 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2023-11-23 21:13:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2023-11-23 21:13:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure ib_send_cm_sidr_rep [2023-11-23 21:13:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_send_cm_sidr_rep [2023-11-23 21:13:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 21:13:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 21:13:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2023-11-23 21:13:48,011 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2023-11-23 21:13:48,011 INFO L130 BoogieDeclarations]: Found specification of procedure cm_rep_set_srq [2023-11-23 21:13:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_rep_set_srq [2023-11-23 21:13:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure cm_issue_rej [2023-11-23 21:13:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_issue_rej [2023-11-23 21:13:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-23 21:13:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-23 21:13:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure ib_cancel_mad [2023-11-23 21:13:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_cancel_mad [2023-11-23 21:13:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure be64_lt [2023-11-23 21:13:48,012 INFO L138 BoogieDeclarations]: Found implementation of procedure be64_lt [2023-11-23 21:13:48,012 INFO L130 BoogieDeclarations]: Found specification of procedure cm_devnode [2023-11-23 21:13:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure cm_devnode [2023-11-23 21:13:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:13:48,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-23 21:13:48,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:13:49,202 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:13:49,207 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:13:49,493 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:14:11,022 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:13,774 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:13,774 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:14:13,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:13 BoogieIcfgContainer [2023-11-23 21:14:13,779 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:13,783 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:13,783 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:13,786 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:13,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:13:41" (1/3) ... [2023-11-23 21:14:13,787 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ada2e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:13, skipping insertion in model container [2023-11-23 21:14:13,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:13:46" (2/3) ... [2023-11-23 21:14:13,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ada2e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:13, skipping insertion in model container [2023-11-23 21:14:13,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:13" (3/3) ... [2023-11-23 21:14:13,790 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_cm.ko-entry_point.cil.out.i [2023-11-23 21:14:13,811 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:13,811 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:13,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:13,937 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;@4b7353e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:13,938 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:13,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 2161 states, 1272 states have (on average 1.304245283018868) internal successors, (1659), 1346 states have internal predecessors, (1659), 759 states have call successors, (759), 129 states have call predecessors, (759), 128 states have return successors, (749), 726 states have call predecessors, (749), 749 states have call successors, (749) [2023-11-23 21:14:14,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-23 21:14:14,010 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:14,012 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 21:14:14,012 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:14,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:14,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1027700670, now seen corresponding path program 1 times [2023-11-23 21:14:14,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:14,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826516649] [2023-11-23 21:14:14,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:14,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:14:15,354 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 21:14:15,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:14:15,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826516649] [2023-11-23 21:14:15,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826516649] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:14:15,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:14:15,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:14:15,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709666728] [2023-11-23 21:14:15,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:14:15,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:14:15,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:14:15,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:14:15,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:14:15,421 INFO L87 Difference]: Start difference. First operand has 2161 states, 1272 states have (on average 1.304245283018868) internal successors, (1659), 1346 states have internal predecessors, (1659), 759 states have call successors, (759), 129 states have call predecessors, (759), 128 states have return successors, (749), 726 states have call predecessors, (749), 749 states have call successors, (749) 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 21:14:16,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:19,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:22,020 WARN L539 Checker$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 21:14:23,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:14:28,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []