./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_uverbs.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_4b602e4c-3050-411a-a5f1-36262ebad0d3/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b602e4c-3050-411a-a5f1-36262ebad0d3/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b602e4c-3050-411a-a5f1-36262ebad0d3/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b602e4c-3050-411a-a5f1-36262ebad0d3/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b602e4c-3050-411a-a5f1-36262ebad0d3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b602e4c-3050-411a-a5f1-36262ebad0d3/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:44,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:44,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b602e4c-3050-411a-a5f1-36262ebad0d3/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:47:44,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:44,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:45,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:45,037 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:45,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:45,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:45,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:45,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:45,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:45,049 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:45,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:45,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:45,052 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:45,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:45,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:45,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:45,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:45,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:45,056 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:45,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:45,059 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:45,060 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:45,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:45,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:45,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:45,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:45,063 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:47:45,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:47:45,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:45,065 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:45,066 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:45,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:45,066 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:45,067 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b602e4c-3050-411a-a5f1-36262ebad0d3/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b602e4c-3050-411a-a5f1-36262ebad0d3/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a [2023-11-19 07:47:45,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:45,462 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:45,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:45,467 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:45,468 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:45,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b602e4c-3050-411a-a5f1-36262ebad0d3/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2023-11-19 07:47:48,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:49,678 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:49,679 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b602e4c-3050-411a-a5f1-36262ebad0d3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2023-11-19 07:47:49,752 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b602e4c-3050-411a-a5f1-36262ebad0d3/bin/uautomizer-verify-uCwYo4JHxu/data/be74f5817/514ba28b59e942fe831c23226ebdd0d3/FLAG8c86c8d6d [2023-11-19 07:47:49,769 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b602e4c-3050-411a-a5f1-36262ebad0d3/bin/uautomizer-verify-uCwYo4JHxu/data/be74f5817/514ba28b59e942fe831c23226ebdd0d3 [2023-11-19 07:47:49,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:49,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:49,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:49,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:49,786 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:49,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:49" (1/1) ... [2023-11-19 07:47:49,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@edb4ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:49, skipping insertion in model container [2023-11-19 07:47:49,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:49" (1/1) ... [2023-11-19 07:47:50,095 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:52,919 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_4b602e4c-3050-411a-a5f1-36262ebad0d3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2023-11-19 07:47:53,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:53,121 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:53,277 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"); [5096] [2023-11-19 07:47:53,279 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5103] [2023-11-19 07:47:53,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [5152] [2023-11-19 07:47:53,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [5155] [2023-11-19 07:47:53,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [5158] [2023-11-19 07:47:53,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& cpu_tss.x86_tss.sp0)); [5161] [2023-11-19 07:47:53,285 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; subl %2, %0; sete %1": "+m" (v->counter), "=qm" (c): "er" (i): "memory"); [5182-5183] [2023-11-19 07:47:53,286 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; xaddb %b0, %1\n": "+q" (__ret), "+m" (v->counter): : "memory", "cc"); [5194-5195] [2023-11-19 07:47:53,287 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; xaddw %w0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5198-5199] [2023-11-19 07:47:53,287 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; xaddl %0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5202-5203] [2023-11-19 07:47:53,288 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; xaddq %q0, %1\n": "+r" (__ret), "+m" (v->counter): : "memory", "cc"); [5206-5207] [2023-11-19 07:47:53,476 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7666] [2023-11-19 07:47:53,477 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7668] [2023-11-19 07:47:53,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [7682] [2023-11-19 07:47:53,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7685] [2023-11-19 07:47:53,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7688] [2023-11-19 07:47:53,478 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [7691] [2023-11-19 07:47:53,479 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)); [7716] [2023-11-19 07:47:53,480 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)); [7723] [2023-11-19 07:47:53,480 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"); [7731-7732] [2023-11-19 07:47:53,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7745] [2023-11-19 07:47:53,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7748] [2023-11-19 07:47:53,481 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (val)); [7750] [2023-11-19 07:47:53,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7755] [2023-11-19 07:47:53,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7758] [2023-11-19 07:47:53,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7760] [2023-11-19 07:47:53,483 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7765] [2023-11-19 07:47:53,487 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7768] [2023-11-19 07:47:53,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (val)); [7770] [2023-11-19 07:47:53,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7775] [2023-11-19 07:47:53,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7778] [2023-11-19 07:47:53,489 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (val)); [7780] [2023-11-19 07:47:53,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incb %%gs:%0": "+m" (__preempt_count)); [7798] [2023-11-19 07:47:53,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decb %%gs:%0": "+m" (__preempt_count)); [7801] [2023-11-19 07:47:53,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addb %1, %%gs:%0": "+m" (__preempt_count): "qi" (- val)); [7803] [2023-11-19 07:47:53,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incw %%gs:%0": "+m" (__preempt_count)); [7808] [2023-11-19 07:47:53,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decw %%gs:%0": "+m" (__preempt_count)); [7811] [2023-11-19 07:47:53,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addw %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7813] [2023-11-19 07:47:53,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incl %%gs:%0": "+m" (__preempt_count)); [7818] [2023-11-19 07:47:53,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decl %%gs:%0": "+m" (__preempt_count)); [7821] [2023-11-19 07:47:53,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addl %1, %%gs:%0": "+m" (__preempt_count): "ri" (- val)); [7823] [2023-11-19 07:47:53,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("incq %%gs:%0": "+m" (__preempt_count)); [7828] [2023-11-19 07:47:53,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("decq %%gs:%0": "+m" (__preempt_count)); [7831] [2023-11-19 07:47:53,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("addq %1, %%gs:%0": "+m" (__preempt_count): "re" (- val)); [7833] [2023-11-19 07:47:53,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7859] [2023-11-19 07:47:53,496 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("": : : "memory"); [7866] [2023-11-19 07:47:53,788 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_4b602e4c-3050-411a-a5f1-36262ebad0d3/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2023-11-19 07:47:53,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:53,966 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:53,967 WARN L675 CHandler]: The function __xadd_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:53,967 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:53,967 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:47:53,975 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:53,975 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:53 WrapperNode [2023-11-19 07:47:53,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:53,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:53,977 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:53,977 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:53,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:53" (1/1) ... [2023-11-19 07:47:54,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:53" (1/1) ... [2023-11-19 07:47:54,520 INFO L138 Inliner]: procedures = 371, calls = 4466, calls flagged for inlining = 169, calls inlined = 168, statements flattened = 10177 [2023-11-19 07:47:54,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:54,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:54,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:54,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:54,532 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:53" (1/1) ... [2023-11-19 07:47:54,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:53" (1/1) ... [2023-11-19 07:47:54,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:53" (1/1) ... [2023-11-19 07:47:54,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:53" (1/1) ... [2023-11-19 07:47:54,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:53" (1/1) ... [2023-11-19 07:47:54,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:53" (1/1) ... [2023-11-19 07:47:55,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:53" (1/1) ... [2023-11-19 07:47:55,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:53" (1/1) ... [2023-11-19 07:47:55,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:55,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:55,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:55,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:55,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:53" (1/1) ... [2023-11-19 07:47:55,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:55,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b602e4c-3050-411a-a5f1-36262ebad0d3/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:55,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b602e4c-3050-411a-a5f1-36262ebad0d3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:55,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b602e4c-3050-411a-a5f1-36262ebad0d3/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-19 07:47:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-19 07:47:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2023-11-19 07:47:55,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2023-11-19 07:47:55,226 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2023-11-19 07:47:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2023-11-19 07:47:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2023-11-19 07:47:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2023-11-19 07:47:55,227 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2023-11-19 07:47:55,227 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2023-11-19 07:47:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2023-11-19 07:47:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2023-11-19 07:47:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2023-11-19 07:47:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2023-11-19 07:47:55,228 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-11-19 07:47:55,228 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-11-19 07:47:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:47:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:47:55,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:47:55,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:47:55,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:47:55,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:47:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2023-11-19 07:47:55,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2023-11-19 07:47:55,232 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2023-11-19 07:47:55,232 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2023-11-19 07:47:55,233 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2023-11-19 07:47:55,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2023-11-19 07:47:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2023-11-19 07:47:55,234 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2023-11-19 07:47:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2023-11-19 07:47:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2023-11-19 07:47:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2023-11-19 07:47:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2023-11-19 07:47:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2023-11-19 07:47:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2023-11-19 07:47:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 07:47:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 07:47:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2023-11-19 07:47:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2023-11-19 07:47:55,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:47:55,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:47:55,237 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2023-11-19 07:47:55,237 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2023-11-19 07:47:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-19 07:47:55,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-19 07:47:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2023-11-19 07:47:55,238 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2023-11-19 07:47:55,238 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2023-11-19 07:47:55,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2023-11-19 07:47:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2023-11-19 07:47:55,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2023-11-19 07:47:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:47:55,239 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:47:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:47:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:47:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:47:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:47:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2023-11-19 07:47:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2023-11-19 07:47:55,240 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2023-11-19 07:47:55,241 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2023-11-19 07:47:55,241 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2023-11-19 07:47:55,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2023-11-19 07:47:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2023-11-19 07:47:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2023-11-19 07:47:55,242 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2023-11-19 07:47:55,242 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2023-11-19 07:47:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:47:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:47:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2023-11-19 07:47:55,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2023-11-19 07:47:55,243 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 07:47:55,244 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 07:47:55,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:47:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:47:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:47:55,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:47:55,245 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2023-11-19 07:47:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2023-11-19 07:47:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2023-11-19 07:47:55,246 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2023-11-19 07:47:55,246 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:47:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:47:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2023-11-19 07:47:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2023-11-19 07:47:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2023-11-19 07:47:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2023-11-19 07:47:55,248 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2023-11-19 07:47:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2023-11-19 07:47:55,249 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 07:47:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 07:47:55,250 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2023-11-19 07:47:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2023-11-19 07:47:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:47:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:47:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:47:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:47:55,251 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2023-11-19 07:47:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2023-11-19 07:47:55,252 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 07:47:55,252 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2023-11-19 07:47:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2023-11-19 07:47:55,252 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2023-11-19 07:47:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2023-11-19 07:47:55,254 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2023-11-19 07:47:55,257 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2023-11-19 07:47:55,257 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2023-11-19 07:47:55,257 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2023-11-19 07:47:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2023-11-19 07:47:55,259 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2023-11-19 07:47:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:47:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2023-11-19 07:47:55,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2023-11-19 07:47:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-19 07:47:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-19 07:47:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2023-11-19 07:47:55,267 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2023-11-19 07:47:55,267 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2023-11-19 07:47:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 07:47:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 07:47:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2023-11-19 07:47:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2023-11-19 07:47:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2023-11-19 07:47:55,268 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2023-11-19 07:47:55,268 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2023-11-19 07:47:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2023-11-19 07:47:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 07:47:55,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 07:47:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:47:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:47:55,269 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:47:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:47:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2023-11-19 07:47:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2023-11-19 07:47:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2023-11-19 07:47:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2023-11-19 07:47:55,270 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2023-11-19 07:47:55,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2023-11-19 07:47:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2023-11-19 07:47:55,271 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2023-11-19 07:47:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-19 07:47:55,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-19 07:47:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 07:47:55,271 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 07:47:55,271 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-19 07:47:55,272 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-19 07:47:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2023-11-19 07:47:55,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2023-11-19 07:47:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 07:47:55,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 07:47:55,272 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2023-11-19 07:47:55,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2023-11-19 07:47:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:47:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:47:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2023-11-19 07:47:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2023-11-19 07:47:55,273 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:47:55,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:47:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2023-11-19 07:47:55,274 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2023-11-19 07:47:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:47:55,274 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:47:55,274 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2023-11-19 07:47:55,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2023-11-19 07:47:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2023-11-19 07:47:55,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2023-11-19 07:47:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:47:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2023-11-19 07:47:55,275 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2023-11-19 07:47:55,275 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2023-11-19 07:47:55,276 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2023-11-19 07:47:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 07:47:55,276 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 07:47:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:47:55,276 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2023-11-19 07:47:55,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2023-11-19 07:47:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2023-11-19 07:47:55,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2023-11-19 07:47:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2023-11-19 07:47:55,277 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2023-11-19 07:47:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2023-11-19 07:47:55,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2023-11-19 07:47:55,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:47:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2023-11-19 07:47:55,278 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2023-11-19 07:47:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 07:47:55,278 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 07:47:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2023-11-19 07:47:55,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2023-11-19 07:47:55,278 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2023-11-19 07:47:55,279 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2023-11-19 07:47:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2023-11-19 07:47:55,279 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2023-11-19 07:47:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2023-11-19 07:47:55,279 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2023-11-19 07:47:55,279 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:47:55,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:47:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2023-11-19 07:47:55,280 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2023-11-19 07:47:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2023-11-19 07:47:55,280 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2023-11-19 07:47:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-11-19 07:47:55,280 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-11-19 07:47:55,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:47:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 07:47:55,281 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 07:47:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2023-11-19 07:47:55,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2023-11-19 07:47:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2023-11-19 07:47:55,281 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2023-11-19 07:47:55,281 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2023-11-19 07:47:55,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2023-11-19 07:47:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2023-11-19 07:47:55,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2023-11-19 07:47:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:47:55,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:47:55,282 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 07:47:55,283 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 07:47:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:47:55,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:47:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:47:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2023-11-19 07:47:55,283 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2023-11-19 07:47:55,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:47:55,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:47:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 07:47:55,284 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 07:47:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:55,284 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2023-11-19 07:47:55,284 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2023-11-19 07:47:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 07:47:55,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2023-11-19 07:47:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 07:47:55,290 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 07:47:55,290 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2023-11-19 07:47:55,290 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2023-11-19 07:47:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:47:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2023-11-19 07:47:55,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2023-11-19 07:47:55,291 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2023-11-19 07:47:55,291 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2023-11-19 07:47:55,292 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:47:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:47:55,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:47:55,293 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2023-11-19 07:47:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2023-11-19 07:47:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 07:47:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 07:47:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2023-11-19 07:47:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2023-11-19 07:47:55,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:47:55,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 07:47:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2023-11-19 07:47:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2023-11-19 07:47:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2023-11-19 07:47:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2023-11-19 07:47:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2023-11-19 07:47:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2023-11-19 07:47:55,295 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 07:47:55,295 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 07:47:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2023-11-19 07:47:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2023-11-19 07:47:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 07:47:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 07:47:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2023-11-19 07:47:55,296 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2023-11-19 07:47:55,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:47:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:47:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2023-11-19 07:47:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2023-11-19 07:47:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2023-11-19 07:47:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2023-11-19 07:47:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:47:55,297 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:47:55,297 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2023-11-19 07:47:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2023-11-19 07:47:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2023-11-19 07:47:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2023-11-19 07:47:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2023-11-19 07:47:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2023-11-19 07:47:55,298 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2023-11-19 07:47:55,298 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2023-11-19 07:47:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:47:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:47:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2023-11-19 07:47:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2023-11-19 07:47:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:47:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:47:55,299 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2023-11-19 07:47:55,299 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2023-11-19 07:47:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2023-11-19 07:47:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2023-11-19 07:47:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-19 07:47:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-19 07:47:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2023-11-19 07:47:55,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2023-11-19 07:47:55,300 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:47:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:47:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2023-11-19 07:47:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2023-11-19 07:47:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2023-11-19 07:47:55,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2023-11-19 07:47:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:47:55,301 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2023-11-19 07:47:55,302 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2023-11-19 07:47:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2023-11-19 07:47:55,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2023-11-19 07:47:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:55,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:55,302 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-11-19 07:47:55,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2023-11-19 07:47:55,303 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:47:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:47:56,655 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:56,660 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:57,392 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:48:27,099 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:27,141 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:27,142 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:48:27,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:27 BoogieIcfgContainer [2023-11-19 07:48:27,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:27,166 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:48:27,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:48:27,170 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:48:27,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:49" (1/3) ... [2023-11-19 07:48:27,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6965928f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:27, skipping insertion in model container [2023-11-19 07:48:27,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:53" (2/3) ... [2023-11-19 07:48:27,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6965928f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:27, skipping insertion in model container [2023-11-19 07:48:27,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:27" (3/3) ... [2023-11-19 07:48:27,175 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2023-11-19 07:48:27,195 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:48:27,195 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:48:27,333 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:48:27,342 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7e4add99, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:48:27,342 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:48:27,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 3042 states, 2014 states have (on average 1.3674280039721947) internal successors, (2754), 2090 states have internal predecessors, (2754), 880 states have call successors, (880), 147 states have call predecessors, (880), 146 states have return successors, (871), 865 states have call predecessors, (871), 871 states have call successors, (871) [2023-11-19 07:48:27,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2023-11-19 07:48:27,420 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:27,421 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:27,422 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:27,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:27,430 INFO L85 PathProgramCache]: Analyzing trace with hash -84443102, now seen corresponding path program 1 times [2023-11-19 07:48:27,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:27,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987677654] [2023-11-19 07:48:27,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:27,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:48:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:48:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:48:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:48:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:48:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:48:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:48:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:48:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 07:48:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-19 07:48:30,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-11-19 07:48:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-11-19 07:48:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:30,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-19 07:48:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-11-19 07:48:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-11-19 07:48:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2023-11-19 07:48:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2023-11-19 07:48:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:48:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2023-11-19 07:48:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2023-11-19 07:48:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2023-11-19 07:48:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2023-11-19 07:48:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2023-11-19 07:48:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2023-11-19 07:48:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2023-11-19 07:48:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2023-11-19 07:48:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2023-11-19 07:48:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2023-11-19 07:48:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2023-11-19 07:48:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:48:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2023-11-19 07:48:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:31,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2023-11-19 07:48:31,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:31,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987677654] [2023-11-19 07:48:31,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987677654] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:31,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:31,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:48:31,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854923265] [2023-11-19 07:48:31,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:31,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:48:31,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:31,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:48:31,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:48:31,944 INFO L87 Difference]: Start difference. First operand has 3042 states, 2014 states have (on average 1.3674280039721947) internal successors, (2754), 2090 states have internal predecessors, (2754), 880 states have call successors, (880), 147 states have call predecessors, (880), 146 states have return successors, (871), 865 states have call predecessors, (871), 871 states have call successors, (871) Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32)