./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:06:39,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:06:39,173 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-06 23:06:39,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:06:39,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:06:39,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:06:39,240 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:06:39,241 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:06:39,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:06:39,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:06:39,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:06:39,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:06:39,253 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:06:39,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:06:39,256 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:06:39,256 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:06:39,257 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:06:39,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:06:39,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:06:39,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:06:39,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:06:39,261 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:06:39,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:06:39,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:06:39,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:06:39,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:06:39,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:06:39,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:06:39,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:06:39,266 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:06:39,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:06:39,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:06:39,268 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:06:39,268 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:06:39,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:06:39,269 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:06:39,270 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_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2023-11-06 23:06:39,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:06:39,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:06:39,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:06:39,723 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:06:39,724 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:06:39,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2023-11-06 23:06:43,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:06:43,976 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:06:43,977 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2023-11-06 23:06:44,032 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/data/34722368e/fa784840c194418dbf93ea015768e3af/FLAG78d656a88 [2023-11-06 23:06:44,054 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/data/34722368e/fa784840c194418dbf93ea015768e3af [2023-11-06 23:06:44,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:06:44,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:06:44,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:06:44,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:06:44,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:06:44,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:06:44" (1/1) ... [2023-11-06 23:06:44,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b612fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:44, skipping insertion in model container [2023-11-06 23:06:44,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:06:44" (1/1) ... [2023-11-06 23:06:44,254 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:06:46,875 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_a85b7467-2ecd-4198-b6a7-86d62b7e4672/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2023-11-06 23:06:46,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:06:47,024 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:06:47,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5120] [2023-11-06 23:06:47,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5127] [2023-11-06 23:06:47,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5134-5135] [2023-11-06 23:06:47,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [5142-5143] [2023-11-06 23:06:47,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5186] [2023-11-06 23:06:47,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5188] [2023-11-06 23:06:47,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5190] [2023-11-06 23:06:47,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5193] [2023-11-06 23:06:47,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [5241] [2023-11-06 23:06:47,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0": "+m" (v->counter)); [5248] [2023-11-06 23:06:47,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [5255-5256] [2023-11-06 23:06:47,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/skbuff.h"), "i" (638), "i" (12UL)); [5554-5555] [2023-11-06 23:06:47,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/skbuff.h"), "i" (1189), "i" (12UL)); [5704-5705] [2023-11-06 23:06:47,230 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (40), "i" (12UL)); [6150-6151] [2023-11-06 23:06:47,233 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/net/ppp_generic.ko--X--bulklinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/net/ppp_generic.c.p"), "i" (287), "i" (12UL)); [6217-6218] [2023-11-06 23:06:47,239 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6448] [2023-11-06 23:06:47,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6454] [2023-11-06 23:06:47,240 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6460] [2023-11-06 23:06:47,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6467] [2023-11-06 23:06:47,243 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [6530] [2023-11-06 23:06:47,243 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [6536] [2023-11-06 23:06:47,244 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [6542] [2023-11-06 23:06:47,245 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [6549] [2023-11-06 23:06:47,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6863] [2023-11-06 23:06:47,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6865] [2023-11-06 23:06:47,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6868] [2023-11-06 23:06:47,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6870] [2023-11-06 23:06:47,266 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6873] [2023-11-06 23:06:47,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6988] [2023-11-06 23:06:47,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6990] [2023-11-06 23:06:47,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6993] [2023-11-06 23:06:47,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6995] [2023-11-06 23:06:47,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6998] [2023-11-06 23:06:47,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7021] [2023-11-06 23:06:47,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7023] [2023-11-06 23:06:47,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7026] [2023-11-06 23:06:47,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7028] [2023-11-06 23:06:47,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7031] [2023-11-06 23:06:47,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7069-7070] [2023-11-06 23:06:47,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7072-7073] [2023-11-06 23:06:47,281 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7076-7077] [2023-11-06 23:06:47,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7079-7080] [2023-11-06 23:06:47,283 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7083-7084] [2023-11-06 23:06:47,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [7111-7112] [2023-11-06 23:06:47,285 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [7114-7115] [2023-11-06 23:06:47,285 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [7118-7119] [2023-11-06 23:06:47,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [7121-7122] [2023-11-06 23:06:47,288 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [7125-7126] [2023-11-06 23:06:47,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___2), "=d" (__val_gu___2): "0" (p)); [7147] [2023-11-06 23:06:47,290 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___2), "=d" (__val_gu___2): "0" (p)); [7149] [2023-11-06 23:06:47,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___2), "=d" (__val_gu___2): "0" (p)); [7152] [2023-11-06 23:06:47,291 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___2), "=d" (__val_gu___2): "0" (p)); [7154] [2023-11-06 23:06:47,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___2), "=d" (__val_gu___2): "0" (p)); [7157] [2023-11-06 23:06:47,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [7181-7182] [2023-11-06 23:06:47,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [7184-7185] [2023-11-06 23:06:47,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [7188-7189] [2023-11-06 23:06:47,294 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [7191-7192] [2023-11-06 23:06:47,295 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [7195-7196] [2023-11-06 23:06:47,297 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___3), "=d" (__val_gu___3): "0" (p)); [7229] [2023-11-06 23:06:47,298 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___3), "=d" (__val_gu___3): "0" (p)); [7231] [2023-11-06 23:06:47,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___3), "=d" (__val_gu___3): "0" (p)); [7234] [2023-11-06 23:06:47,299 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___3), "=d" (__val_gu___3): "0" (p)); [7236] [2023-11-06 23:06:47,300 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___3), "=d" (__val_gu___3): "0" (p)); [7239] [2023-11-06 23:06:47,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___4), "=d" (__val_gu___4): "0" (p)); [7364] [2023-11-06 23:06:47,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___4), "=d" (__val_gu___4): "0" (p)); [7366] [2023-11-06 23:06:47,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___4), "=d" (__val_gu___4): "0" (p)); [7369] [2023-11-06 23:06:47,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___4), "=d" (__val_gu___4): "0" (p)); [7371] [2023-11-06 23:06:47,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___4), "=d" (__val_gu___4): "0" (p)); [7374] [2023-11-06 23:06:47,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [7446] [2023-11-06 23:06:47,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [7448] [2023-11-06 23:06:47,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [7451] [2023-11-06 23:06:47,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [7453] [2023-11-06 23:06:47,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [7456] [2023-11-06 23:06:47,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7486-7487] [2023-11-06 23:06:47,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7489-7490] [2023-11-06 23:06:47,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7493-7494] [2023-11-06 23:06:47,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7496-7497] [2023-11-06 23:06:47,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7500-7501] [2023-11-06 23:06:47,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [7522] [2023-11-06 23:06:47,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [7524] [2023-11-06 23:06:47,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [7527] [2023-11-06 23:06:47,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [7529] [2023-11-06 23:06:47,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [7532] [2023-11-06 23:06:47,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7570] [2023-11-06 23:06:47,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7572] [2023-11-06 23:06:47,326 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7575] [2023-11-06 23:06:47,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7577] [2023-11-06 23:06:47,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7580] [2023-11-06 23:06:47,577 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_a85b7467-2ecd-4198-b6a7-86d62b7e4672/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2023-11-06 23:06:47,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:06:47,921 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:06:47,921 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:06:47,921 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:06:47,930 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:06:47,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:47 WrapperNode [2023-11-06 23:06:47,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:06:47,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:06:47,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:06:47,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:06:47,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:47" (1/1) ... [2023-11-06 23:06:48,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:47" (1/1) ... [2023-11-06 23:06:48,339 INFO L138 Inliner]: procedures = 301, calls = 1827, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4630 [2023-11-06 23:06:48,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:06:48,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:06:48,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:06:48,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:06:48,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:47" (1/1) ... [2023-11-06 23:06:48,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:47" (1/1) ... [2023-11-06 23:06:48,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:47" (1/1) ... [2023-11-06 23:06:48,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:47" (1/1) ... [2023-11-06 23:06:48,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:47" (1/1) ... [2023-11-06 23:06:48,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:47" (1/1) ... [2023-11-06 23:06:48,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:47" (1/1) ... [2023-11-06 23:06:48,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:47" (1/1) ... [2023-11-06 23:06:48,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:06:48,658 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:06:48,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:06:48,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:06:48,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:47" (1/1) ... [2023-11-06 23:06:48,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:06:48,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:06:48,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:06:48,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:06:48,750 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2023-11-06 23:06:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2023-11-06 23:06:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-06 23:06:48,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-06 23:06:48,751 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-06 23:06:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-06 23:06:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2023-11-06 23:06:48,752 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2023-11-06 23:06:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-06 23:06:48,752 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2023-11-06 23:06:48,753 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2023-11-06 23:06:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 23:06:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-06 23:06:48,753 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-06 23:06:48,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 23:06:48,754 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-06 23:06:48,754 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-06 23:06:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-06 23:06:48,755 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-06 23:06:48,755 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2023-11-06 23:06:48,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2023-11-06 23:06:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2023-11-06 23:06:48,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2023-11-06 23:06:48,756 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2023-11-06 23:06:48,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2023-11-06 23:06:48,757 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-06 23:06:48,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-06 23:06:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-06 23:06:48,758 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-06 23:06:48,758 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-06 23:06:48,759 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-06 23:06:48,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 23:06:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 23:06:48,760 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2023-11-06 23:06:48,760 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2023-11-06 23:06:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-06 23:06:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-06 23:06:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2023-11-06 23:06:48,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2023-11-06 23:06:48,761 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2023-11-06 23:06:48,762 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2023-11-06 23:06:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 23:06:48,762 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 23:06:48,762 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2023-11-06 23:06:48,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2023-11-06 23:06:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2023-11-06 23:06:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2023-11-06 23:06:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-06 23:06:48,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-06 23:06:48,763 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-06 23:06:48,764 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-06 23:06:48,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 23:06:48,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 23:06:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2023-11-06 23:06:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2023-11-06 23:06:48,766 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-06 23:06:48,766 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-06 23:06:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 23:06:48,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 23:06:48,767 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2023-11-06 23:06:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2023-11-06 23:06:48,768 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2023-11-06 23:06:48,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2023-11-06 23:06:48,769 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2023-11-06 23:06:48,770 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2023-11-06 23:06:48,774 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2023-11-06 23:06:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2023-11-06 23:06:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:06:48,775 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 23:06:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 23:06:48,777 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 23:06:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-06 23:06:48,778 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-06 23:06:48,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:06:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-06 23:06:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-06 23:06:48,785 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-06 23:06:48,785 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-06 23:06:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-06 23:06:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-06 23:06:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:06:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 23:06:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2023-11-06 23:06:48,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2023-11-06 23:06:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-06 23:06:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-06 23:06:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 23:06:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 23:06:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-06 23:06:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-06 23:06:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-06 23:06:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-06 23:06:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-06 23:06:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-06 23:06:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2023-11-06 23:06:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2023-11-06 23:06:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2023-11-06 23:06:48,789 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2023-11-06 23:06:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-06 23:06:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-06 23:06:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-06 23:06:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-06 23:06:48,790 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-06 23:06:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-06 23:06:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2023-11-06 23:06:48,791 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2023-11-06 23:06:48,791 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2023-11-06 23:06:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2023-11-06 23:06:48,792 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 23:06:48,792 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 23:06:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-06 23:06:48,793 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-06 23:06:48,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 23:06:48,794 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-06 23:06:48,794 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-06 23:06:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2023-11-06 23:06:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2023-11-06 23:06:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 23:06:48,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 23:06:48,795 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2023-11-06 23:06:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2023-11-06 23:06:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 23:06:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2023-11-06 23:06:48,796 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2023-11-06 23:06:48,796 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-06 23:06:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-06 23:06:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2023-11-06 23:06:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2023-11-06 23:06:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:06:48,797 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-06 23:06:48,797 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-06 23:06:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-06 23:06:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-06 23:06:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2023-11-06 23:06:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2023-11-06 23:06:48,798 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2023-11-06 23:06:48,798 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2023-11-06 23:06:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2023-11-06 23:06:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2023-11-06 23:06:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2023-11-06 23:06:48,799 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2023-11-06 23:06:48,799 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2023-11-06 23:06:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2023-11-06 23:06:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 23:06:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 23:06:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2023-11-06 23:06:48,800 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2023-11-06 23:06:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2023-11-06 23:06:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2023-11-06 23:06:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:06:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-06 23:06:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-06 23:06:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-06 23:06:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-06 23:06:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-06 23:06:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-06 23:06:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2023-11-06 23:06:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2023-11-06 23:06:48,802 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2023-11-06 23:06:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2023-11-06 23:06:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:06:48,803 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-06 23:06:48,803 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-06 23:06:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-06 23:06:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-06 23:06:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:06:48,804 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-06 23:06:48,804 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-06 23:06:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:06:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 23:06:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2023-11-06 23:06:48,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2023-11-06 23:06:48,805 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 23:06:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 23:06:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-06 23:06:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-06 23:06:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-06 23:06:48,806 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-06 23:06:48,806 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-06 23:06:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-06 23:06:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-06 23:06:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-06 23:06:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-06 23:06:48,807 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-06 23:06:48,807 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2023-11-06 23:06:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2023-11-06 23:06:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-06 23:06:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-06 23:06:48,808 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-06 23:06:48,808 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-06 23:06:48,809 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-06 23:06:48,810 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-06 23:06:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-06 23:06:48,816 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-06 23:06:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-06 23:06:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-06 23:06:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2023-11-06 23:06:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2023-11-06 23:06:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 23:06:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-06 23:06:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2023-11-06 23:06:48,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2023-11-06 23:06:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2023-11-06 23:06:48,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2023-11-06 23:06:48,825 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2023-11-06 23:06:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2023-11-06 23:06:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:06:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2023-11-06 23:06:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2023-11-06 23:06:48,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-06 23:06:48,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-06 23:06:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:06:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:06:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-06 23:06:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-06 23:06:48,830 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-06 23:06:48,835 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-06 23:06:49,621 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:06:49,681 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:06:50,645 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-06 23:06:50,646 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-06 23:06:51,955 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 23:06:51,965 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 23:06:51,969 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 23:06:52,806 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##292: assume !false; [2023-11-06 23:06:52,807 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##291: assume false; [2023-11-06 23:06:52,807 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume !false; [2023-11-06 23:06:52,807 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##248: assume false; [2023-11-06 23:06:52,807 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##254: assume false; [2023-11-06 23:06:52,807 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##255: assume !false; [2023-11-06 23:06:52,807 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##263: assume !false; [2023-11-06 23:06:52,808 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##262: assume false; [2023-11-06 23:06:52,808 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##243: assume !false; [2023-11-06 23:06:52,808 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume false; [2023-11-06 23:06:52,808 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2023-11-06 23:06:52,808 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2023-11-06 23:06:52,808 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2023-11-06 23:06:52,809 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2023-11-06 23:06:52,809 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##193: assume !false; [2023-11-06 23:06:52,809 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume false; [2023-11-06 23:06:52,809 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2023-11-06 23:06:52,809 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2023-11-06 23:06:52,809 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2023-11-06 23:06:52,809 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2023-11-06 23:06:52,809 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2023-11-06 23:06:52,810 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2023-11-06 23:06:52,810 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2023-11-06 23:06:52,810 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2023-11-06 23:06:52,810 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2023-11-06 23:06:52,810 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2023-11-06 23:06:52,810 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2023-11-06 23:06:52,810 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2023-11-06 23:06:52,811 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2023-11-06 23:06:52,811 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2023-11-06 23:06:52,811 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2023-11-06 23:06:52,811 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2023-11-06 23:06:53,115 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 23:06:53,125 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 23:06:54,462 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446: SUMMARY for call ppp_read_#t~ret297#1.base, ppp_read_#t~ret297#1.offset := get_current(); srcloc: null [2023-11-06 23:06:54,462 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446-1: ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset := ppp_read_#t~ret297#1.base, ppp_read_#t~ret297#1.offset;havoc ppp_read_#t~ret297#1.base, ppp_read_#t~ret297#1.offset;ppp_read_~__ptr~0#1.base, ppp_read_~__ptr~0#1.offset := ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset; [2023-11-06 23:06:54,463 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528-1: ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset := ppp_read_#t~ret311#1.base, ppp_read_#t~ret311#1.offset;havoc ppp_read_#t~ret311#1.base, ppp_read_#t~ret311#1.offset;ppp_read_~__ptr___3~0#1.base, ppp_read_~__ptr___3~0#1.offset := ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset; [2023-11-06 23:06:54,463 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528: SUMMARY for call ppp_read_#t~ret311#1.base, ppp_read_#t~ret311#1.offset := get_current(); srcloc: null [2023-11-06 23:06:54,463 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2023-11-06 23:06:54,463 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2023-11-06 23:06:54,463 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##179: assume !false; [2023-11-06 23:06:54,464 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##178: assume false; [2023-11-06 23:06:54,464 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2023-11-06 23:06:54,464 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2023-11-06 23:06:54,464 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2023-11-06 23:06:54,464 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2023-11-06 23:06:54,570 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:06:54,600 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:06:54,600 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-06 23:06:54,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:06:54 BoogieIcfgContainer [2023-11-06 23:06:54,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:06:54,611 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:06:54,611 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:06:54,615 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:06:54,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:06:44" (1/3) ... [2023-11-06 23:06:54,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132627db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:06:54, skipping insertion in model container [2023-11-06 23:06:54,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:06:47" (2/3) ... [2023-11-06 23:06:54,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132627db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:06:54, skipping insertion in model container [2023-11-06 23:06:54,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:06:54" (3/3) ... [2023-11-06 23:06:54,620 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2023-11-06 23:06:54,646 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:06:54,646 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:06:54,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:06:54,775 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=LoopsAndPotentialCycles, 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;@156d2ba4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:06:54,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:06:54,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 1606 states, 1155 states have (on average 1.3818181818181818) internal successors, (1596), 1190 states have internal predecessors, (1596), 352 states have call successors, (352), 99 states have call predecessors, (352), 99 states have return successors, (352), 344 states have call predecessors, (352), 352 states have call successors, (352) [2023-11-06 23:06:54,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-06 23:06:54,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:54,802 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:06:54,803 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:54,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:54,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1819310515, now seen corresponding path program 1 times [2023-11-06 23:06:54,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:54,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479534146] [2023-11-06 23:06:54,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:54,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:55,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 23:06:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:55,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:06:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:55,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:06:55,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:06:55,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479534146] [2023-11-06 23:06:55,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479534146] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:06:55,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:06:55,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:06:55,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290215945] [2023-11-06 23:06:55,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:06:55,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:06:55,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:06:55,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:06:55,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:06:55,625 INFO L87 Difference]: Start difference. First operand has 1606 states, 1155 states have (on average 1.3818181818181818) internal successors, (1596), 1190 states have internal predecessors, (1596), 352 states have call successors, (352), 99 states have call predecessors, (352), 99 states have return successors, (352), 344 states have call predecessors, (352), 352 states have call successors, (352) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:06:56,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:06:56,184 INFO L93 Difference]: Finished difference Result 4757 states and 6970 transitions. [2023-11-06 23:06:56,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:06:56,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-06 23:06:56,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:06:56,239 INFO L225 Difference]: With dead ends: 4757 [2023-11-06 23:06:56,239 INFO L226 Difference]: Without dead ends: 3139 [2023-11-06 23:06:56,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:06:56,264 INFO L413 NwaCegarLoop]: 2325 mSDtfsCounter, 2244 mSDsluCounter, 2214 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2244 SdHoareTripleChecker+Valid, 4539 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:06:56,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2244 Valid, 4539 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:06:56,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3139 states. [2023-11-06 23:06:56,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3139 to 3136. [2023-11-06 23:06:56,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3136 states, 2252 states have (on average 1.3561278863232682) internal successors, (3054), 2319 states have internal predecessors, (3054), 687 states have call successors, (687), 197 states have call predecessors, (687), 196 states have return successors, (691), 669 states have call predecessors, (691), 685 states have call successors, (691) [2023-11-06 23:06:56,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 3136 states and 4432 transitions. [2023-11-06 23:06:56,653 INFO L78 Accepts]: Start accepts. Automaton has 3136 states and 4432 transitions. Word has length 22 [2023-11-06 23:06:56,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:06:56,654 INFO L495 AbstractCegarLoop]: Abstraction has 3136 states and 4432 transitions. [2023-11-06 23:06:56,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:06:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 3136 states and 4432 transitions. [2023-11-06 23:06:56,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-06 23:06:56,678 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:06:56,678 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:06:56,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:06:56,679 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:06:56,679 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:06:56,679 INFO L85 PathProgramCache]: Analyzing trace with hash -2133367349, now seen corresponding path program 1 times [2023-11-06 23:06:56,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:06:56,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459870552] [2023-11-06 23:06:56,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:06:56,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:06:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 23:06:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:57,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:06:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-06 23:06:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 23:06:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:57,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 23:06:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 23:06:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 23:06:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:57,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 23:06:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:57,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 23:06:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:06:57,224 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 23:06:57,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:06:57,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459870552] [2023-11-06 23:06:57,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459870552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:06:57,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:06:57,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:06:57,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006890800] [2023-11-06 23:06:57,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:06:57,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:06:57,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:06:57,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:06:57,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:06:57,235 INFO L87 Difference]: Start difference. First operand 3136 states and 4432 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 23:07:02,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:02,531 INFO L93 Difference]: Finished difference Result 6899 states and 9877 transitions. [2023-11-06 23:07:02,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:07:02,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 90 [2023-11-06 23:07:02,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:02,563 INFO L225 Difference]: With dead ends: 6899 [2023-11-06 23:07:02,563 INFO L226 Difference]: Without dead ends: 3799 [2023-11-06 23:07:02,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:07:02,576 INFO L413 NwaCegarLoop]: 1632 mSDtfsCounter, 1062 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 1995 mSolverCounterSat, 409 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 3721 SdHoareTripleChecker+Invalid, 2404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 409 IncrementalHoareTripleChecker+Valid, 1995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-06 23:07:02,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1247 Valid, 3721 Invalid, 2404 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [409 Valid, 1995 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-11-06 23:07:02,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3799 states. [2023-11-06 23:07:02,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3799 to 3423. [2023-11-06 23:07:02,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3423 states, 2479 states have (on average 1.3602258975393304) internal successors, (3372), 2548 states have internal predecessors, (3372), 747 states have call successors, (747), 197 states have call predecessors, (747), 196 states have return successors, (752), 729 states have call predecessors, (752), 745 states have call successors, (752) [2023-11-06 23:07:02,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 3423 states and 4871 transitions. [2023-11-06 23:07:02,834 INFO L78 Accepts]: Start accepts. Automaton has 3423 states and 4871 transitions. Word has length 90 [2023-11-06 23:07:02,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:02,835 INFO L495 AbstractCegarLoop]: Abstraction has 3423 states and 4871 transitions. [2023-11-06 23:07:02,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-06 23:07:02,835 INFO L276 IsEmpty]: Start isEmpty. Operand 3423 states and 4871 transitions. [2023-11-06 23:07:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-06 23:07:02,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:02,846 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:07:02,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:07:02,846 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:07:02,847 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:02,847 INFO L85 PathProgramCache]: Analyzing trace with hash 2025242676, now seen corresponding path program 1 times [2023-11-06 23:07:02,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:02,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689642578] [2023-11-06 23:07:02,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:02,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:03,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 23:07:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:03,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:07:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:03,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 23:07:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:03,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-06 23:07:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:03,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 23:07:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:03,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 23:07:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:03,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 23:07:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:03,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 23:07:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:03,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 23:07:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:03,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-06 23:07:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 23:07:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:03,205 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 23:07:03,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:07:03,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689642578] [2023-11-06 23:07:03,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689642578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:07:03,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:07:03,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:07:03,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309407809] [2023-11-06 23:07:03,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:07:03,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:07:03,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:07:03,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:07:03,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:07:03,209 INFO L87 Difference]: Start difference. First operand 3423 states and 4871 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 23:07:07,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:07,920 INFO L93 Difference]: Finished difference Result 7171 states and 10315 transitions. [2023-11-06 23:07:07,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:07:07,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2023-11-06 23:07:07,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:07,956 INFO L225 Difference]: With dead ends: 7171 [2023-11-06 23:07:07,956 INFO L226 Difference]: Without dead ends: 3785 [2023-11-06 23:07:07,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:07:07,979 INFO L413 NwaCegarLoop]: 1616 mSDtfsCounter, 882 mSDsluCounter, 2114 mSDsCounter, 0 mSdLazyCounter, 1978 mSolverCounterSat, 363 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 3730 SdHoareTripleChecker+Invalid, 2341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 363 IncrementalHoareTripleChecker+Valid, 1978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:07:07,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 3730 Invalid, 2341 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [363 Valid, 1978 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-06 23:07:07,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2023-11-06 23:07:08,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 3425. [2023-11-06 23:07:08,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3425 states, 2481 states have (on average 1.3599355098750503) internal successors, (3374), 2550 states have internal predecessors, (3374), 747 states have call successors, (747), 197 states have call predecessors, (747), 196 states have return successors, (752), 729 states have call predecessors, (752), 745 states have call successors, (752) [2023-11-06 23:07:08,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 3425 states and 4873 transitions. [2023-11-06 23:07:08,188 INFO L78 Accepts]: Start accepts. Automaton has 3425 states and 4873 transitions. Word has length 108 [2023-11-06 23:07:08,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:08,190 INFO L495 AbstractCegarLoop]: Abstraction has 3425 states and 4873 transitions. [2023-11-06 23:07:08,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 23:07:08,190 INFO L276 IsEmpty]: Start isEmpty. Operand 3425 states and 4873 transitions. [2023-11-06 23:07:08,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-06 23:07:08,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:08,200 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:07:08,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:07:08,201 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:07:08,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:08,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1496323637, now seen corresponding path program 1 times [2023-11-06 23:07:08,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:08,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118222456] [2023-11-06 23:07:08,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:08,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 23:07:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:07:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 23:07:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-06 23:07:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 23:07:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 23:07:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 23:07:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 23:07:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 23:07:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-06 23:07:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 23:07:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 23:07:08,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:07:08,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118222456] [2023-11-06 23:07:08,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118222456] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:07:08,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310865335] [2023-11-06 23:07:08,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:08,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:07:08,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:08,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:07:08,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:07:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:09,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:07:09,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:07:09,664 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 23:07:09,665 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:07:09,774 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 23:07:09,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310865335] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:07:09,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:07:09,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2023-11-06 23:07:09,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852243507] [2023-11-06 23:07:09,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:07:09,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:07:09,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:07:09,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:07:09,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:07:09,780 INFO L87 Difference]: Start difference. First operand 3425 states and 4873 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 6 states have internal predecessors, (129), 4 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2023-11-06 23:07:16,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:16,687 INFO L93 Difference]: Finished difference Result 8073 states and 11714 transitions. [2023-11-06 23:07:16,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:07:16,689 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 6 states have internal predecessors, (129), 4 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 108 [2023-11-06 23:07:16,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:16,739 INFO L225 Difference]: With dead ends: 8073 [2023-11-06 23:07:16,740 INFO L226 Difference]: Without dead ends: 4685 [2023-11-06 23:07:16,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:07:16,763 INFO L413 NwaCegarLoop]: 1637 mSDtfsCounter, 1809 mSDsluCounter, 4966 mSDsCounter, 0 mSdLazyCounter, 3735 mSolverCounterSat, 550 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2125 SdHoareTripleChecker+Valid, 6603 SdHoareTripleChecker+Invalid, 4285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 550 IncrementalHoareTripleChecker+Valid, 3735 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:07:16,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2125 Valid, 6603 Invalid, 4285 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [550 Valid, 3735 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-11-06 23:07:16,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4685 states. [2023-11-06 23:07:17,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4685 to 4289. [2023-11-06 23:07:17,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4289 states, 3165 states have (on average 1.374091627172196) internal successors, (4349), 3240 states have internal predecessors, (4349), 927 states have call successors, (927), 197 states have call predecessors, (927), 196 states have return successors, (935), 909 states have call predecessors, (935), 925 states have call successors, (935) [2023-11-06 23:07:17,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4289 states to 4289 states and 6211 transitions. [2023-11-06 23:07:17,053 INFO L78 Accepts]: Start accepts. Automaton has 4289 states and 6211 transitions. Word has length 108 [2023-11-06 23:07:17,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:17,054 INFO L495 AbstractCegarLoop]: Abstraction has 4289 states and 6211 transitions. [2023-11-06 23:07:17,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 6 states have internal predecessors, (129), 4 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2023-11-06 23:07:17,054 INFO L276 IsEmpty]: Start isEmpty. Operand 4289 states and 6211 transitions. [2023-11-06 23:07:17,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-06 23:07:17,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:17,074 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:07:17,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:07:17,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:07:17,286 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:07:17,286 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:17,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1737426442, now seen corresponding path program 1 times [2023-11-06 23:07:17,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:17,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189769871] [2023-11-06 23:07:17,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:17,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:17,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 23:07:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:17,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 23:07:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:17,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-06 23:07:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:18,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-06 23:07:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:18,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 23:07:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:18,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-06 23:07:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:18,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 23:07:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:18,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 23:07:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:18,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 23:07:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:18,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-06 23:07:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:18,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 23:07:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:18,147 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 23:07:18,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:07:18,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189769871] [2023-11-06 23:07:18,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189769871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:07:18,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:07:18,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:07:18,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572260430] [2023-11-06 23:07:18,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:07:18,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:07:18,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:07:18,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:07:18,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:07:18,155 INFO L87 Difference]: Start difference. First operand 4289 states and 6211 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-06 23:07:24,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:24,272 INFO L93 Difference]: Finished difference Result 8901 states and 12989 transitions. [2023-11-06 23:07:24,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:07:24,273 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 108 [2023-11-06 23:07:24,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:24,312 INFO L225 Difference]: With dead ends: 8901 [2023-11-06 23:07:24,312 INFO L226 Difference]: Without dead ends: 4641 [2023-11-06 23:07:24,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:07:24,333 INFO L413 NwaCegarLoop]: 1611 mSDtfsCounter, 881 mSDsluCounter, 4974 mSDsCounter, 0 mSdLazyCounter, 3699 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 6585 SdHoareTripleChecker+Invalid, 4067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 3699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:07:24,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 6585 Invalid, 4067 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [368 Valid, 3699 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-11-06 23:07:24,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4641 states. [2023-11-06 23:07:24,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4641 to 4285. [2023-11-06 23:07:24,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4285 states, 3163 states have (on average 1.3736958583623142) internal successors, (4345), 3236 states have internal predecessors, (4345), 925 states have call successors, (925), 197 states have call predecessors, (925), 196 states have return successors, (933), 907 states have call predecessors, (933), 923 states have call successors, (933) [2023-11-06 23:07:24,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4285 states to 4285 states and 6203 transitions. [2023-11-06 23:07:24,619 INFO L78 Accepts]: Start accepts. Automaton has 4285 states and 6203 transitions. Word has length 108 [2023-11-06 23:07:24,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:24,620 INFO L495 AbstractCegarLoop]: Abstraction has 4285 states and 6203 transitions. [2023-11-06 23:07:24,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-06 23:07:24,621 INFO L276 IsEmpty]: Start isEmpty. Operand 4285 states and 6203 transitions. [2023-11-06 23:07:24,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-06 23:07:24,637 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:24,637 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:07:24,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 23:07:24,638 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:07:24,638 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:24,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1356108469, now seen corresponding path program 1 times [2023-11-06 23:07:24,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:24,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982311234] [2023-11-06 23:07:24,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:24,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 23:07:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 23:07:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 23:07:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 23:07:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 23:07:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-06 23:07:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-06 23:07:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-06 23:07:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-06 23:07:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-06 23:07:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-06 23:07:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-06 23:07:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-06 23:07:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-11-06 23:07:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:24,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-06 23:07:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:25,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-06 23:07:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:25,053 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-11-06 23:07:25,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:07:25,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982311234] [2023-11-06 23:07:25,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982311234] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:07:25,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:07:25,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:07:25,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602793092] [2023-11-06 23:07:25,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:07:25,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:07:25,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:07:25,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:07:25,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:07:25,058 INFO L87 Difference]: Start difference. First operand 4285 states and 6203 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 23:07:30,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:30,864 INFO L93 Difference]: Finished difference Result 9437 states and 13966 transitions. [2023-11-06 23:07:30,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:07:30,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 151 [2023-11-06 23:07:30,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:30,912 INFO L225 Difference]: With dead ends: 9437 [2023-11-06 23:07:30,913 INFO L226 Difference]: Without dead ends: 5185 [2023-11-06 23:07:30,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:07:30,938 INFO L413 NwaCegarLoop]: 1467 mSDtfsCounter, 1848 mSDsluCounter, 2851 mSDsCounter, 0 mSdLazyCounter, 2947 mSolverCounterSat, 986 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1983 SdHoareTripleChecker+Valid, 4318 SdHoareTripleChecker+Invalid, 3933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 986 IncrementalHoareTripleChecker+Valid, 2947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:07:30,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1983 Valid, 4318 Invalid, 3933 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [986 Valid, 2947 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-11-06 23:07:30,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2023-11-06 23:07:31,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 4287. [2023-11-06 23:07:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4287 states, 3165 states have (on average 1.3734597156398105) internal successors, (4347), 3238 states have internal predecessors, (4347), 925 states have call successors, (925), 197 states have call predecessors, (925), 196 states have return successors, (933), 907 states have call predecessors, (933), 923 states have call successors, (933) [2023-11-06 23:07:31,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4287 states to 4287 states and 6205 transitions. [2023-11-06 23:07:31,209 INFO L78 Accepts]: Start accepts. Automaton has 4287 states and 6205 transitions. Word has length 151 [2023-11-06 23:07:31,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:31,211 INFO L495 AbstractCegarLoop]: Abstraction has 4287 states and 6205 transitions. [2023-11-06 23:07:31,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 23:07:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand 4287 states and 6205 transitions. [2023-11-06 23:07:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-06 23:07:31,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:31,264 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:07:31,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:07:31,264 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:07:31,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:31,266 INFO L85 PathProgramCache]: Analyzing trace with hash -842010619, now seen corresponding path program 1 times [2023-11-06 23:07:31,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:31,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000486863] [2023-11-06 23:07:31,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:31,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:32,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 23:07:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:32,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 23:07:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:32,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 23:07:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:32,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-06 23:07:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:32,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 23:07:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:32,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 23:07:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:32,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 23:07:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:32,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-06 23:07:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:32,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 23:07:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:32,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 23:07:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:32,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-06 23:07:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:32,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-11-06 23:07:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:32,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-11-06 23:07:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:07:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 23:07:32,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:07:32,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000486863] [2023-11-06 23:07:32,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000486863] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:07:32,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:07:32,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:07:32,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196793119] [2023-11-06 23:07:32,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:07:32,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:07:32,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:07:32,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:07:32,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:07:32,456 INFO L87 Difference]: Start difference. First operand 4287 states and 6205 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-06 23:07:35,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:07:45,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:07:45,308 INFO L93 Difference]: Finished difference Result 9467 states and 14066 transitions. [2023-11-06 23:07:45,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 23:07:45,309 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 125 [2023-11-06 23:07:45,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:07:45,347 INFO L225 Difference]: With dead ends: 9467 [2023-11-06 23:07:45,347 INFO L226 Difference]: Without dead ends: 5213 [2023-11-06 23:07:45,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:07:45,428 INFO L413 NwaCegarLoop]: 1479 mSDtfsCounter, 1854 mSDsluCounter, 5057 mSDsCounter, 0 mSdLazyCounter, 5509 mSolverCounterSat, 989 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 6536 SdHoareTripleChecker+Invalid, 6498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 989 IncrementalHoareTripleChecker+Valid, 5509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:07:45,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 6536 Invalid, 6498 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [989 Valid, 5509 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2023-11-06 23:07:45,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5213 states. [2023-11-06 23:07:45,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5213 to 4295. [2023-11-06 23:07:45,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4295 states, 3171 states have (on average 1.3733837906023336) internal successors, (4355), 3244 states have internal predecessors, (4355), 927 states have call successors, (927), 197 states have call predecessors, (927), 196 states have return successors, (935), 909 states have call predecessors, (935), 925 states have call successors, (935) [2023-11-06 23:07:45,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4295 states to 4295 states and 6217 transitions. [2023-11-06 23:07:45,688 INFO L78 Accepts]: Start accepts. Automaton has 4295 states and 6217 transitions. Word has length 125 [2023-11-06 23:07:45,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:07:45,689 INFO L495 AbstractCegarLoop]: Abstraction has 4295 states and 6217 transitions. [2023-11-06 23:07:45,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-06 23:07:45,689 INFO L276 IsEmpty]: Start isEmpty. Operand 4295 states and 6217 transitions. [2023-11-06 23:07:45,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-06 23:07:45,704 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:07:45,704 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:07:45,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 23:07:45,704 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:07:45,705 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:07:45,705 INFO L85 PathProgramCache]: Analyzing trace with hash -815118764, now seen corresponding path program 1 times [2023-11-06 23:07:45,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:07:45,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089337882] [2023-11-06 23:07:45,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:07:45,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:07:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:46,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:07:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:07:46,679 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:07:46,679 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:07:46,680 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:07:46,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 23:07:46,685 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:07:46,690 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:07:46,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:07:46 BoogieIcfgContainer [2023-11-06 23:07:46,903 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:07:46,904 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:07:46,904 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:07:46,904 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:07:46,905 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:06:54" (3/4) ... [2023-11-06 23:07:46,908 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:07:46,909 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:07:46,910 INFO L158 Benchmark]: Toolchain (without parser) took 62846.14ms. Allocated memory was 172.0MB in the beginning and 650.1MB in the end (delta: 478.2MB). Free memory was 109.3MB in the beginning and 193.6MB in the end (delta: -84.4MB). Peak memory consumption was 395.7MB. Max. memory is 16.1GB. [2023-11-06 23:07:46,911 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 140.5MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:07:46,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3863.82ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 109.3MB in the beginning and 92.4MB in the end (delta: 16.9MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. [2023-11-06 23:07:46,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 407.11ms. Allocated memory is still 209.7MB. Free memory was 92.4MB in the beginning and 128.5MB in the end (delta: -36.1MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-11-06 23:07:46,912 INFO L158 Benchmark]: Boogie Preprocessor took 316.86ms. Allocated memory is still 209.7MB. Free memory was 128.5MB in the beginning and 101.0MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-06 23:07:46,913 INFO L158 Benchmark]: RCFGBuilder took 5948.72ms. Allocated memory was 209.7MB in the beginning and 325.1MB in the end (delta: 115.3MB). Free memory was 101.0MB in the beginning and 187.5MB in the end (delta: -86.5MB). Peak memory consumption was 106.9MB. Max. memory is 16.1GB. [2023-11-06 23:07:46,913 INFO L158 Benchmark]: TraceAbstraction took 52292.34ms. Allocated memory was 325.1MB in the beginning and 650.1MB in the end (delta: 325.1MB). Free memory was 186.5MB in the beginning and 193.6MB in the end (delta: -7.1MB). Peak memory consumption was 316.9MB. Max. memory is 16.1GB. [2023-11-06 23:07:46,914 INFO L158 Benchmark]: Witness Printer took 5.55ms. Allocated memory is still 650.1MB. Free memory is still 193.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:07:46,917 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 140.5MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3863.82ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 109.3MB in the beginning and 92.4MB in the end (delta: 16.9MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 407.11ms. Allocated memory is still 209.7MB. Free memory was 92.4MB in the beginning and 128.5MB in the end (delta: -36.1MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 316.86ms. Allocated memory is still 209.7MB. Free memory was 128.5MB in the beginning and 101.0MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 5948.72ms. Allocated memory was 209.7MB in the beginning and 325.1MB in the end (delta: 115.3MB). Free memory was 101.0MB in the beginning and 187.5MB in the end (delta: -86.5MB). Peak memory consumption was 106.9MB. Max. memory is 16.1GB. * TraceAbstraction took 52292.34ms. Allocated memory was 325.1MB in the beginning and 650.1MB in the end (delta: 325.1MB). Free memory was 186.5MB in the beginning and 193.6MB in the end (delta: -7.1MB). Peak memory consumption was 316.9MB. Max. memory is 16.1GB. * Witness Printer took 5.55ms. Allocated memory is still 650.1MB. Free memory is still 193.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 5120]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5120] - GenericResultAtLocation [Line: 5127]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5127] - GenericResultAtLocation [Line: 5134]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5134-5135] - GenericResultAtLocation [Line: 5142]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [5142-5143] - GenericResultAtLocation [Line: 5186]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5186] - GenericResultAtLocation [Line: 5188]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5188] - GenericResultAtLocation [Line: 5190]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5190] - GenericResultAtLocation [Line: 5193]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5193] - GenericResultAtLocation [Line: 5241]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [5241] - GenericResultAtLocation [Line: 5248]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0": "+m" (v->counter)); [5248] - GenericResultAtLocation [Line: 5255]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [5255-5256] - GenericResultAtLocation [Line: 5554]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/skbuff.h"), "i" (638), "i" (12UL)); [5554-5555] - GenericResultAtLocation [Line: 5704]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/skbuff.h"), "i" (1189), "i" (12UL)); [5704-5705] - GenericResultAtLocation [Line: 6150]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (40), "i" (12UL)); [6150-6151] - GenericResultAtLocation [Line: 6217]: 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/net/ppp_generic.ko--X--bulklinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/net/ppp_generic.c.p"), "i" (287), "i" (12UL)); [6217-6218] - GenericResultAtLocation [Line: 6448]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6448] - GenericResultAtLocation [Line: 6454]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6454] - GenericResultAtLocation [Line: 6460]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6460] - GenericResultAtLocation [Line: 6467]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6467] - GenericResultAtLocation [Line: 6530]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [6530] - GenericResultAtLocation [Line: 6536]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [6536] - GenericResultAtLocation [Line: 6542]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [6542] - GenericResultAtLocation [Line: 6549]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [6549] - GenericResultAtLocation [Line: 6863]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6863] - GenericResultAtLocation [Line: 6865]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6865] - GenericResultAtLocation [Line: 6868]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6868] - GenericResultAtLocation [Line: 6870]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6870] - GenericResultAtLocation [Line: 6873]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6873] - GenericResultAtLocation [Line: 6988]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6988] - GenericResultAtLocation [Line: 6990]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6990] - GenericResultAtLocation [Line: 6993]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6993] - GenericResultAtLocation [Line: 6995]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6995] - GenericResultAtLocation [Line: 6998]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6998] - GenericResultAtLocation [Line: 7021]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7021] - GenericResultAtLocation [Line: 7023]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7023] - GenericResultAtLocation [Line: 7026]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7026] - GenericResultAtLocation [Line: 7028]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7028] - GenericResultAtLocation [Line: 7031]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7031] - GenericResultAtLocation [Line: 7069]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7069-7070] - GenericResultAtLocation [Line: 7072]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7072-7073] - GenericResultAtLocation [Line: 7076]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7076-7077] - GenericResultAtLocation [Line: 7079]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7079-7080] - GenericResultAtLocation [Line: 7083]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7083-7084] - GenericResultAtLocation [Line: 7111]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [7111-7112] - GenericResultAtLocation [Line: 7114]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [7114-7115] - GenericResultAtLocation [Line: 7118]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [7118-7119] - GenericResultAtLocation [Line: 7121]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [7121-7122] - GenericResultAtLocation [Line: 7125]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [7125-7126] - GenericResultAtLocation [Line: 7147]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___2), "=d" (__val_gu___2): "0" (p)); [7147] - GenericResultAtLocation [Line: 7149]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___2), "=d" (__val_gu___2): "0" (p)); [7149] - GenericResultAtLocation [Line: 7152]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___2), "=d" (__val_gu___2): "0" (p)); [7152] - GenericResultAtLocation [Line: 7154]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___2), "=d" (__val_gu___2): "0" (p)); [7154] - GenericResultAtLocation [Line: 7157]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___2), "=d" (__val_gu___2): "0" (p)); [7157] - GenericResultAtLocation [Line: 7181]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [7181-7182] - GenericResultAtLocation [Line: 7184]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [7184-7185] - GenericResultAtLocation [Line: 7188]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [7188-7189] - GenericResultAtLocation [Line: 7191]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [7191-7192] - GenericResultAtLocation [Line: 7195]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [7195-7196] - GenericResultAtLocation [Line: 7229]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___3), "=d" (__val_gu___3): "0" (p)); [7229] - GenericResultAtLocation [Line: 7231]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___3), "=d" (__val_gu___3): "0" (p)); [7231] - GenericResultAtLocation [Line: 7234]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___3), "=d" (__val_gu___3): "0" (p)); [7234] - GenericResultAtLocation [Line: 7236]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___3), "=d" (__val_gu___3): "0" (p)); [7236] - GenericResultAtLocation [Line: 7239]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___3), "=d" (__val_gu___3): "0" (p)); [7239] - GenericResultAtLocation [Line: 7364]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___4), "=d" (__val_gu___4): "0" (p)); [7364] - GenericResultAtLocation [Line: 7366]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___4), "=d" (__val_gu___4): "0" (p)); [7366] - GenericResultAtLocation [Line: 7369]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___4), "=d" (__val_gu___4): "0" (p)); [7369] - GenericResultAtLocation [Line: 7371]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___4), "=d" (__val_gu___4): "0" (p)); [7371] - GenericResultAtLocation [Line: 7374]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___4), "=d" (__val_gu___4): "0" (p)); [7374] - GenericResultAtLocation [Line: 7446]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [7446] - GenericResultAtLocation [Line: 7448]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [7448] - GenericResultAtLocation [Line: 7451]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [7451] - GenericResultAtLocation [Line: 7453]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [7453] - GenericResultAtLocation [Line: 7456]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [7456] - GenericResultAtLocation [Line: 7486]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7486-7487] - GenericResultAtLocation [Line: 7489]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7489-7490] - GenericResultAtLocation [Line: 7493]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7493-7494] - GenericResultAtLocation [Line: 7496]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7496-7497] - GenericResultAtLocation [Line: 7500]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7500-7501] - GenericResultAtLocation [Line: 7522]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [7522] - GenericResultAtLocation [Line: 7524]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [7524] - GenericResultAtLocation [Line: 7527]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [7527] - GenericResultAtLocation [Line: 7529]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [7529] - GenericResultAtLocation [Line: 7532]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [7532] - GenericResultAtLocation [Line: 7570]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7570] - GenericResultAtLocation [Line: 7572]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7572] - GenericResultAtLocation [Line: 7575]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7575] - GenericResultAtLocation [Line: 7577]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7577] - GenericResultAtLocation [Line: 7580]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7580] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10809]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of large string literal at line 6167. Possible FailurePath: [L6164-L6171] static struct mutex ppp_mutex = {{1}, {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex.wait_lock", 0, 0UL}}}}, {& ppp_mutex.wait_list, & ppp_mutex.wait_list}, (struct task_struct *)0, (char const *)0, (void *)(& ppp_mutex), {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "ppp_mutex", 0, 0UL}}; [L6172] static atomic_t ppp_unit_count = {0}; [L6173] static atomic_t channel_count = {0}; [L6174] static int ppp_net_id ; [L6207] static struct class *ppp_class ; [L6268-L6269] static int const npindex_to_proto[6U] = { (int const )33, (int const )87, (int const )43, (int const )41, (int const )641, (int const )643}; [L6313-L6314] static int const npindex_to_ethertype[6U] = { (int const )2048, (int const )34525, (int const )33079, (int const )16, (int const )34887, (int const )34888}; [L7621-L7646] static struct file_operations const ppp_device_fops = {& __this_module, & noop_llseek, & ppp_read, & ppp_write, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (ssize_t (*)(struct kiocb * , struct iovec const * , unsigned long , loff_t ))0, (int (*)(struct file * , void * , int (*)(void * , char const * , int , loff_t , u64 , unsigned int ) ))0, & ppp_poll, & ppp_ioctl, (long (*)(struct file * , unsigned int , unsigned long ))0, (int (*)(struct file * , struct vm_area_struct * ))0, & ppp_open, (int (*)(struct file * , fl_owner_t ))0, & ppp_release, (int (*)(struct file * , int ))0, (int (*)(struct kiocb * , int ))0, (int (*)(int , struct file * , int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct file * , struct page * , int , size_t , loff_t * , int ))0, (unsigned long (*)(struct file * , unsigned long , unsigned long , unsigned long , unsigned long ))0, (int (*)(int ))0, (int (*)(struct file * , int , struct file_lock * ))0, (ssize_t (*)(struct pipe_inode_info * , struct file * , loff_t * , size_t , unsigned int ))0, (ssize_t (*)(struct file * , loff_t * , struct pipe_inode_info * , size_t , unsigned int ))0, (int (*)(struct file * , long , struct file_lock ** ))0, (long (*)(struct file * , int , loff_t , loff_t ))0}; [L7679-L7680] static struct pernet_operations ppp_net_ops = {{(struct list_head *)0, (struct list_head *)0}, & ppp_init_net, & ppp_exit_net, (void (*)(struct list_head * ))0, & ppp_net_id, 376UL}; [L7891-L7927] static struct net_device_ops const ppp_netdev_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, & ppp_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & ppp_net_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct neigh_parms * ))0, (void (*)(struct net_device * ))0, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L8312] static bool mp_protocol_compress = (bool )1; [L9989] static struct list_head compressor_list = {& compressor_list, & compressor_list}; [L9990-L9994] static spinlock_t compressor_list_lock = {{{{0U}, 3735899821U, 4294967295U, (void *)0x0fffffffffffffffUL, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, "compressor_list_lock", 0, 0UL}}}}; [L10620] int LDV_IN_INTERRUPT ; [L10813] int ldv_module_refcounter = 1; VAL [LDV_IN_INTERRUPT=0, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10622] struct file *var_group1 ; [L10623] char *var_ppp_read_5_p1 ; [L10624] size_t var_ppp_read_5_p2 ; [L10625] loff_t *var_ppp_read_5_p3 ; [L10626] ssize_t res_ppp_read_5 ; [L10627] char const *var_ppp_write_6_p1 ; [L10628] size_t var_ppp_write_6_p2 ; [L10629] loff_t *var_ppp_write_6_p3 ; [L10630] ssize_t res_ppp_write_6 ; [L10631] poll_table *var_ppp_poll_7_p1 ; [L10632] unsigned int var_ppp_ioctl_9_p1 ; [L10633] unsigned long var_ppp_ioctl_9_p2 ; [L10634] struct inode *var_group2 ; [L10635] int res_ppp_open_3 ; [L10636] struct net *var_group3 ; [L10637] struct sk_buff *var_group4 ; [L10638] struct net_device *var_group5 ; [L10639] struct ifreq *var_group6 ; [L10640] int var_ppp_net_ioctl_15_p2 ; [L10641] int ldv_s_ppp_device_fops_file_operations ; [L10642] int tmp ; [L10643] int tmp___0 ; [L10644] int tmp___1 ; [L10647] ldv_s_ppp_device_fops_file_operations = 0 [L10648] LDV_IN_INTERRUPT = 1 [L10649] FCALL ldv_initialize() [L10650] CALL, EXPR ppp_init() [L7682] int err ; [L7683] struct lock_class_key __key ; [L7684] struct class *tmp ; [L7685] long tmp___0 ; [L7686] long tmp___1 ; VAL [LDV_IN_INTERRUPT=1, __key={73:0}, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7689] CALL printk("<6>PPP generic driver version 2.4.2\n") VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551626:18446744073709551637}, arg0={16:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L11168] return __VERIFIER_nondet_int(); [L7689] RET printk("<6>PPP generic driver version 2.4.2\n") VAL [LDV_IN_INTERRUPT=1, __key={73:0}, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, printk("<6>PPP generic driver version 2.4.2\n")=0] [L7690] CALL, EXPR register_pernet_device(& ppp_net_ops) [L11180] return __VERIFIER_nondet_int(); [L7690] RET, EXPR register_pernet_device(& ppp_net_ops) [L7690] err = register_pernet_device(& ppp_net_ops) [L7692] COND FALSE !(err != 0) [L7700] CALL, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L5879] int tmp ; [L5882] CALL, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L11003] return __VERIFIER_nondet_int(); [L5882] RET, EXPR __register_chrdev(major, 0U, 256U, name, fops) [L5882] tmp = __register_chrdev(major, 0U, 256U, name, fops) [L5884] return (tmp); VAL [LDV_IN_INTERRUPT=1, \old(major)=108, \result=0, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, fops={66:0}, fops={66:0}, ldv_module_refcounter=1, major=108, mp_protocol_compress=1, name={18:0}, name={18:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L7700] RET, EXPR register_chrdev(108U, "ppp", & ppp_device_fops) [L7700] err = register_chrdev(108U, "ppp", & ppp_device_fops) [L7702] COND FALSE !(err != 0) [L7710] CALL, EXPR __class_create(& __this_module, "ppp", & __key) [L10972] CALL, EXPR ldv_malloc(sizeof(struct class)) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [LDV_IN_INTERRUPT=1, \old(size)=128, \result={0:0}, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, size=128] [L10972] RET, EXPR ldv_malloc(sizeof(struct class)) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551626:18446744073709551637}, arg0={18446744073709551626:18446744073709551637}, arg0={18446744073709551626:18446744073709551637}, arg1={20:0}, arg1={20:0}, arg2={73:0}, arg2={73:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_malloc(sizeof(struct class))={0:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10972] return ldv_malloc(sizeof(struct class)); [L7710] RET, EXPR __class_create(& __this_module, "ppp", & __key) [L7710] tmp = __class_create(& __this_module, "ppp", & __key) [L7711] ppp_class = tmp VAL [LDV_IN_INTERRUPT=1, __key={73:0}, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] CALL, EXPR IS_ERR((void const *)ppp_class) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}] [L5217] long tmp ; [L5220] tmp = __builtin_expect((long )((unsigned long )ptr > 0x0ffffffffffff000UL), 0L) [L5222] return (tmp); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, ptr={0:0}, ptr={0:0}, tmp=0] [L7712] RET, EXPR IS_ERR((void const *)ppp_class) VAL [IS_ERR((void const *)ppp_class)=0, LDV_IN_INTERRUPT=1, __key={73:0}, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}] [L7712] tmp___1 = IS_ERR((void const *)ppp_class) [L7714] COND FALSE !(tmp___1 != 0L) [L7723] CALL device_create(ppp_class, (struct device *)0, 113246208U, (void *)0, "ppp") [L11071] CALL, EXPR ldv_malloc(sizeof(struct device)) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10957] COND TRUE __VERIFIER_nondet_bool() [L10957] return 0; VAL [LDV_IN_INTERRUPT=1, \old(size)=1064, \result={0:0}, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, size=1064] [L11071] RET, EXPR ldv_malloc(sizeof(struct device)) VAL [LDV_IN_INTERRUPT=1, \old(arg2)=113246208, __this_module={18446744073709551626:18446744073709551637}, arg0={0:0}, arg0={0:0}, arg1={0:0}, arg1={0:0}, arg2=113246208, arg3={0:0}, arg3={0:0}, arg4={21:0}, arg4={21:0}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_malloc(sizeof(struct device))={0:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L11071] return ldv_malloc(sizeof(struct device)); [L7723] RET device_create(ppp_class, (struct device *)0, 113246208U, (void *)0, "ppp") [L7725] return (0); [L7725] return (0); VAL [LDV_IN_INTERRUPT=1, \result=0, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=0, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp={0:0}, tmp___1=0] [L10650] RET, EXPR ppp_init() [L10650] tmp = ppp_init() [L10652] COND FALSE !(tmp != 0) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0] [L10784] tmp___1 = __VERIFIER_nondet_int() [L10786] COND TRUE tmp___1 != 0 VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___1=-2] [L10659] tmp___0 = __VERIFIER_nondet_int() [L10661] COND FALSE !(tmp___0 == 0) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2] [L10664] COND FALSE !(tmp___0 == 1) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2] [L10667] COND FALSE !(tmp___0 == 2) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2] [L10670] COND FALSE !(tmp___0 == 3) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2] [L10673] COND FALSE !(tmp___0 == 4) VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2] [L10676] COND TRUE tmp___0 == 5 VAL [LDV_IN_INTERRUPT=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, ldv_s_ppp_device_fops_file_operations=0, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, tmp___0=5, tmp___1=-2] [L10753] CALL ppp_ioctl(var_group1, var_ppp_ioctl_9_p1, var_ppp_ioctl_9_p2) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6746] struct ppp_file *pf ; [L6747] struct ppp *ppp ; [L6748] int err ; [L6749] int val ; [L6750] int val2 ; [L6751] int i ; [L6752] struct ppp_idle idle ; [L6753] struct npioctl npi ; [L6754] int unit ; [L6755] int cflags ; [L6756] struct slcompress *vj ; [L6757] void *argp ; [L6758] int *p ; [L6759] struct task_struct *tmp ; [L6760] int tmp___0 ; [L6761] struct ppp_file const *__mptr ; [L6762] long tmp___1 ; [L6763] long tmp___2 ; [L6764] struct channel *pch ; [L6765] struct ppp_channel *chan ; [L6766] struct ppp_file const *__mptr___0 ; [L6767] int __ret_gu ; [L6768] unsigned long __val_gu ; [L6769] struct ppp_file const *__mptr___1 ; [L6770] int __ret_gu___0 ; [L6771] unsigned long __val_gu___0 ; [L6772] int __ret_gu___1 ; [L6773] unsigned long __val_gu___1 ; [L6774] int __ret_pu ; [L6775] int __pu_val ; [L6776] int __ret_pu___0 ; [L6777] int __pu_val___0 ; [L6778] int __ret_gu___2 ; [L6779] unsigned long __val_gu___2 ; [L6780] int __ret_pu___1 ; [L6781] int __pu_val___1 ; [L6782] int tmp___3 ; [L6783] int __ret_gu___3 ; [L6784] unsigned long __val_gu___3 ; [L6785] unsigned long tmp___4 ; [L6786] int tmp___5 ; [L6787] struct sock_filter *code ; [L6788] struct sock_filter *code___0 ; [L6789] int __ret_gu___4 ; [L6790] unsigned long __val_gu___4 ; [L6792] EXPR file->private_data [L6792] pf = (struct ppp_file *)file->private_data [L6793] err = -14 [L6794] argp = (void *)arg [L6795] p = (int *)argp VAL [LDV_IN_INTERRUPT=1, \old(arg)=18446744073709551613, \old(cmd)=1074033724, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033724, code={75:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={377:-656}, file={377:-656}, idle={77:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6796] COND FALSE !((unsigned long )pf == (unsigned long )((struct ppp_file *)0)) VAL [LDV_IN_INTERRUPT=1, \old(arg)=18446744073709551613, \old(cmd)=1074033724, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033724, code={75:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-14, file={377:-656}, file={377:-656}, idle={77:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6804] COND TRUE cmd == 1074033724U [L6806] err = -22 VAL [LDV_IN_INTERRUPT=1, \old(arg)=18446744073709551613, \old(cmd)=1074033724, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033724, code={75:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-22, file={377:-656}, file={377:-656}, idle={77:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6807] FCALL mutex_lock_nested(& ppp_mutex, 0U) VAL [LDV_IN_INTERRUPT=1, \old(arg)=18446744073709551613, \old(cmd)=1074033724, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033724, code={75:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-22, file={377:-656}, file={377:-656}, idle={77:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6809] EXPR pf->kind VAL [LDV_IN_INTERRUPT=1, \old(arg)=18446744073709551613, \old(cmd)=1074033724, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033724, code={75:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-22, file={377:-656}, file={377:-656}, idle={77:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf->kind=4294967296, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6809] COND FALSE !((unsigned int )pf->kind == 1U) [L6821] CALL, EXPR atomic_long_read(& file->f_count) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5267] atomic64_t *v ; [L5268] long tmp ; [L5271] v = l [L5272] CALL, EXPR atomic64_read((atomic64_t const *)v) [L5263] EXPR v->counter [L5263] return ((long )*((long volatile *)(& v->counter))); [L5272] RET, EXPR atomic64_read((atomic64_t const *)v) [L5272] tmp = atomic64_read((atomic64_t const *)v) [L5274] return (tmp); VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, \result=0, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, l={377:-544}, l={377:-544}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=0, v={377:-544}] [L6821] RET, EXPR atomic_long_read(& file->f_count) VAL [LDV_IN_INTERRUPT=1, \old(arg)=18446744073709551613, \old(cmd)=1074033724, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, arg=18446744073709551613, argp={0:-3}, atomic_long_read(& file->f_count)=0, channel_count={62:0}, cmd=1074033724, code={75:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-22, file={377:-656}, file={377:-656}, idle={77:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L6821] tmp___2 = atomic_long_read(& file->f_count) [L6823] COND TRUE tmp___2 <= 2L VAL [LDV_IN_INTERRUPT=1, \old(arg)=18446744073709551613, \old(cmd)=1074033724, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, arg=18446744073709551613, argp={0:-3}, channel_count={62:0}, cmd=1074033724, code={75:0}, code___0={71:0}, compressor_list={69:0}, compressor_list_lock={70:0}, err=-22, file={377:-656}, file={377:-656}, idle={77:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npi={74:0}, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, p={0:-3}, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp___2=0] [L6825] CALL ppp_release((struct inode *)0, file) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={377:-656}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, unused={0:0}] [L6335] struct ppp_file *pf ; [L6336] struct ppp *ppp ; [L6337] struct ppp_file const *__mptr ; [L6338] struct ppp_file const *__mptr___0 ; [L6339] struct ppp_file const *__mptr___1 ; [L6340] int tmp ; [L6342] EXPR file->private_data [L6342] pf = (struct ppp_file *)file->private_data [L6343] COND TRUE (unsigned long )pf != (unsigned long )((struct ppp_file *)0) [L6344] file->private_data = (void *)0 [L6345] EXPR pf->kind VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={377:-656}, file={377:-656}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf->kind=1, pf={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, unused={0:0}, unused={0:0}] [L6345] COND TRUE (unsigned int )pf->kind == 1U [L6346] __mptr = (struct ppp_file const *)pf [L6347] ppp = (struct ppp *)__mptr [L6348] EXPR ppp->owner VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __mptr={377:-376}, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={377:-656}, file={377:-656}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={377:-376}, ppp->owner={-6:82}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, unused={0:0}, unused={0:0}] [L6348] COND FALSE !((unsigned long )ppp->owner == (unsigned long )file) [L6357] CALL, EXPR atomic_dec_and_test(& pf->refcnt) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, v={377:-112}] [L5253] unsigned char c ; [L5257] return ((unsigned int )c != 0U); VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, \result=1, __this_module={18446744073709551626:18446744073709551637}, c=1, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, v={377:-112}, v={377:-112}] [L6357] RET, EXPR atomic_dec_and_test(& pf->refcnt) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __mptr={377:-376}, __this_module={18446744073709551626:18446744073709551637}, atomic_dec_and_test(& pf->refcnt)=1, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={377:-656}, file={377:-656}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, unused={0:0}, unused={0:0}] [L6357] tmp = atomic_dec_and_test(& pf->refcnt) [L6359] COND TRUE tmp != 0 [L6360] EXPR pf->kind VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __mptr={377:-376}, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={377:-656}, file={377:-656}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf->kind=1, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=1, unused={0:0}, unused={0:0}] [L6360] COND TRUE (int )((unsigned int )pf->kind) == 1 [L6369] __mptr___0 = (struct ppp_file const *)pf VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __mptr={377:-376}, __mptr___0={377:-376}, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, file={377:-656}, file={377:-656}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, pf={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, tmp=1, unused={0:0}, unused={0:0}] [L6370] CALL ppp_destroy_interface((struct ppp *)__mptr___0) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10292] FCALL atomic_dec(& ppp_unit_count) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10294] EXPR ppp->file.dead VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp->file.dead=18446744073709551631, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10294] COND FALSE !(ppp->file.dead == 0) [L10301] EXPR ppp->n_channels VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp->n_channels=0, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10301] COND FALSE !(ppp->n_channels != 0) [L10310] CALL ppp_ccp_closed(ppp) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9952] void *xstate ; [L9953] void *rstate ; [L9954] struct compressor *xcomp ; [L9955] struct compressor *rcomp ; VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9958] CALL spin_lock_bh(& ppp->wlock) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9958] RET spin_lock_bh(& ppp->wlock) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9959] CALL spin_lock_bh(& ppp->rlock) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5320] FCALL _raw_spin_lock_bh(& lock->ldv_6060.rlock) [L9959] RET spin_lock_bh(& ppp->rlock) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9960] EXPR ppp->flags VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp->flags=0, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9960] EXPR ppp->flags & 4294967103U VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp->flags & 4294967103U=0, ppp->flags=0, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L9960] ppp->flags = ppp->flags & 4294967103U [L9961] ppp->xstate = 0U [L9962] EXPR ppp->xcomp [L9962] xcomp = ppp->xcomp [L9963] EXPR ppp->xc_state [L9963] xstate = ppp->xc_state [L9964] ppp->xc_state = (void *)0 [L9965] ppp->rstate = 0U [L9966] EXPR ppp->rcomp [L9966] rcomp = ppp->rcomp [L9967] EXPR ppp->rc_state [L9967] rstate = ppp->rc_state [L9968] ppp->rc_state = (void *)0 VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551628:18446744073709551623}, rstate={18446744073709551649:18446744073709551645}, xcomp={18446744073709551617:-17}, xstate={18446744073709551617:0}] [L9969] CALL spin_unlock_bh(& ppp->rlock) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9969] RET spin_unlock_bh(& ppp->rlock) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551628:18446744073709551623}, rstate={18446744073709551649:18446744073709551645}, xcomp={18446744073709551617:-17}, xstate={18446744073709551617:0}] [L9970] CALL spin_unlock_bh(& ppp->wlock) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L5338] FCALL _raw_spin_unlock_bh(& lock->ldv_6060.rlock) [L9970] RET spin_unlock_bh(& ppp->wlock) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551628:18446744073709551623}, rstate={18446744073709551649:18446744073709551645}, xcomp={18446744073709551617:-17}, xstate={18446744073709551617:0}] [L9972] COND TRUE (unsigned long )xstate != (unsigned long )((void *)0) [L9974] EXPR xcomp->comp_free VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551628:18446744073709551623}, rstate={18446744073709551649:18446744073709551645}, xcomp->comp_free={-1:12}, xcomp={18446744073709551617:-17}, xstate={18446744073709551617:0}] [L9974] CALL (*(xcomp->comp_free))(xstate) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7931] dev->netdev_ops = & ppp_netdev_ops [L7932] dev->hard_header_len = (unsigned short)4 [L7933] dev->mtu = 1500U [L7934] dev->addr_len = (unsigned char)0 [L7935] dev->tx_queue_len = 3UL [L7936] dev->type = (unsigned short)512 [L7937] dev->flags = 4240U [L7938] EXPR dev->features VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, dev->features=4294975488, dev={18446744073709551617:0}, dev={18446744073709551617:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7938] EXPR dev->features | 8192U VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, dev->features | 8192U=8192, dev->features=4294975488, dev={18446744073709551617:0}, dev={18446744073709551617:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7938] dev->features = dev->features | 8192U [L7939] EXPR dev->priv_flags VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, dev->priv_flags=0, dev={18446744073709551617:0}, dev={18446744073709551617:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7939] EXPR dev->priv_flags & 4294966271U VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, dev->priv_flags & 4294966271U=0, dev->priv_flags=0, dev={18446744073709551617:0}, dev={18446744073709551617:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L7939] dev->priv_flags = dev->priv_flags & 4294966271U [L9974] RET (*(xcomp->comp_free))(xstate) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp={377:-376}, ppp={377:-376}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}, rcomp={18446744073709551628:18446744073709551623}, rstate={18446744073709551649:18446744073709551645}, xcomp->comp_free={-1:12}, xcomp={18446744073709551617:-17}, xstate={18446744073709551617:0}] [L9975] EXPR xcomp->owner [L9975] CALL ldv_module_put_5(xcomp->owner) [L10926] CALL ldv_module_put(ldv_func_arg1) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, module={83:-82}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10845] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, module={83:-82}, module={83:-82}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10846] COND TRUE ldv_module_refcounter <= 1 VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, module={83:-82}, module={83:-82}, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10848] CALL ldv_blast_assert() VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] [L10809] reach_error() VAL [LDV_IN_INTERRUPT=1, \old(ldv_module_refcounter)=1, __this_module={18446744073709551626:18446744073709551637}, channel_count={62:0}, compressor_list={69:0}, compressor_list_lock={70:0}, ldv_module_refcounter=1, mp_protocol_compress=1, npindex_to_ethertype={65:0}, npindex_to_proto={64:0}, ppp_class={0:0}, ppp_device_fops={66:0}, ppp_mutex={60:0}, ppp_net_id={63:0}, ppp_net_ops={67:0}, ppp_netdev_ops={68:0}, ppp_unit_count={61:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 100 procedures, 1606 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 52.0s, OverallIterations: 8, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 42.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11626 SdHoareTripleChecker+Valid, 38.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10580 mSDsluCounter, 36032 SdHoareTripleChecker+Invalid, 34.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24265 mSDsCounter, 3667 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19871 IncrementalHoareTripleChecker+Invalid, 23538 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3667 mSolverCounterUnsat, 11767 mSDtfsCounter, 19871 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 365 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4295occurred in iteration=7, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 7 MinimizatonAttempts, 3307 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 946 NumberOfCodeBlocks, 946 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 919 ConstructedInterpolants, 0 QuantifiedInterpolants, 1363 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1504 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 144/156 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 23:07:47,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:07:49,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:07:49,617 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-11-06 23:07:49,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:07:49,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:07:49,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:07:49,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:07:49,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:07:49,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:07:49,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:07:49,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:07:49,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:07:49,668 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:07:49,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:07:49,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:07:49,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:07:49,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:07:49,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:07:49,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:07:49,674 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:07:49,674 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:07:49,675 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:07:49,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:07:49,676 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:07:49,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:07:49,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:07:49,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:07:49,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:07:49,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:07:49,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:07:49,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:07:49,680 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:07:49,681 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:07:49,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:07:49,682 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:07:49,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:07:49,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:07:49,683 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:07:49,683 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:07:49,684 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_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2023-11-06 23:07:50,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:07:50,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:07:50,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:07:50,171 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:07:50,172 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:07:50,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2023-11-06 23:07:53,531 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:07:54,180 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:07:54,181 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2023-11-06 23:07:54,241 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/data/651696bd9/9e8bd0c4aa584156bd0afe4951f17814/FLAG486427c56 [2023-11-06 23:07:54,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/data/651696bd9/9e8bd0c4aa584156bd0afe4951f17814 [2023-11-06 23:07:54,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:07:54,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:07:54,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:07:54,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:07:54,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:07:54,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:07:54" (1/1) ... [2023-11-06 23:07:54,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c55715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:54, skipping insertion in model container [2023-11-06 23:07:54,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:07:54" (1/1) ... [2023-11-06 23:07:54,508 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:07:56,650 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_a85b7467-2ecd-4198-b6a7-86d62b7e4672/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2023-11-06 23:07:56,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:07:56,762 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 23:07:56,857 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:07:57,298 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_a85b7467-2ecd-4198-b6a7-86d62b7e4672/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2023-11-06 23:07:57,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:07:57,338 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:07:57,518 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5120] [2023-11-06 23:07:57,520 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5127] [2023-11-06 23:07:57,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5134-5135] [2023-11-06 23:07:57,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [5142-5143] [2023-11-06 23:07:57,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5186] [2023-11-06 23:07:57,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5188] [2023-11-06 23:07:57,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5190] [2023-11-06 23:07:57,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5193] [2023-11-06 23:07:57,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; incl %0": "+m" (v->counter)); [5241] [2023-11-06 23:07:57,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0": "+m" (v->counter)); [5248] [2023-11-06 23:07:57,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [5255-5256] [2023-11-06 23:07:57,533 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/skbuff.h"), "i" (638), "i" (12UL)); [5554-5555] [2023-11-06 23:07:57,543 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/linux/skbuff.h"), "i" (1189), "i" (12UL)); [5704-5705] [2023-11-06 23:07:57,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (40), "i" (12UL)); [6150-6151] [2023-11-06 23:07:57,558 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 *)"/anthill/stuff/tacas-comp/work/current--X--drivers/net/ppp_generic.ko--X--bulklinux-3.0.1--X--08_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/08_1/drivers/net/ppp_generic.c.p"), "i" (287), "i" (12UL)); [6217-6218] [2023-11-06 23:07:57,563 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6448] [2023-11-06 23:07:57,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6454] [2023-11-06 23:07:57,564 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6460] [2023-11-06 23:07:57,565 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6467] [2023-11-06 23:07:57,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x___0), "+m" (*__ptr___3): "0" (__x___0): "memory"); [6530] [2023-11-06 23:07:57,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x___0), "+m" (*__ptr___4): "0" (__x___0): "memory"); [6536] [2023-11-06 23:07:57,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x___0), "+m" (*__ptr___5): "0" (__x___0): "memory"); [6542] [2023-11-06 23:07:57,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x___0), "+m" (*__ptr___6): "0" (__x___0): "memory"); [6549] [2023-11-06 23:07:57,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6863] [2023-11-06 23:07:57,580 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6865] [2023-11-06 23:07:57,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6868] [2023-11-06 23:07:57,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6870] [2023-11-06 23:07:57,581 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [6873] [2023-11-06 23:07:57,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6988] [2023-11-06 23:07:57,585 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6990] [2023-11-06 23:07:57,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6993] [2023-11-06 23:07:57,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6995] [2023-11-06 23:07:57,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [6998] [2023-11-06 23:07:57,587 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7021] [2023-11-06 23:07:57,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7023] [2023-11-06 23:07:57,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7026] [2023-11-06 23:07:57,588 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7028] [2023-11-06 23:07:57,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7031] [2023-11-06 23:07:57,590 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7069-7070] [2023-11-06 23:07:57,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7072-7073] [2023-11-06 23:07:57,591 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7076-7077] [2023-11-06 23:07:57,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7079-7080] [2023-11-06 23:07:57,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7083-7084] [2023-11-06 23:07:57,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [7111-7112] [2023-11-06 23:07:57,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [7114-7115] [2023-11-06 23:07:57,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [7118-7119] [2023-11-06 23:07:57,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [7121-7122] [2023-11-06 23:07:57,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" (p): "ebx"); [7125-7126] [2023-11-06 23:07:57,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___2), "=d" (__val_gu___2): "0" (p)); [7147] [2023-11-06 23:07:57,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___2), "=d" (__val_gu___2): "0" (p)); [7149] [2023-11-06 23:07:57,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___2), "=d" (__val_gu___2): "0" (p)); [7152] [2023-11-06 23:07:57,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___2), "=d" (__val_gu___2): "0" (p)); [7154] [2023-11-06 23:07:57,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___2), "=d" (__val_gu___2): "0" (p)); [7157] [2023-11-06 23:07:57,597 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [7181-7182] [2023-11-06 23:07:57,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [7184-7185] [2023-11-06 23:07:57,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [7188-7189] [2023-11-06 23:07:57,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [7191-7192] [2023-11-06 23:07:57,599 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" (p): "ebx"); [7195-7196] [2023-11-06 23:07:57,600 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___3), "=d" (__val_gu___3): "0" (p)); [7229] [2023-11-06 23:07:57,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___3), "=d" (__val_gu___3): "0" (p)); [7231] [2023-11-06 23:07:57,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___3), "=d" (__val_gu___3): "0" (p)); [7234] [2023-11-06 23:07:57,601 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___3), "=d" (__val_gu___3): "0" (p)); [7236] [2023-11-06 23:07:57,602 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___3), "=d" (__val_gu___3): "0" (p)); [7239] [2023-11-06 23:07:57,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___4), "=d" (__val_gu___4): "0" (p)); [7364] [2023-11-06 23:07:57,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___4), "=d" (__val_gu___4): "0" (p)); [7366] [2023-11-06 23:07:57,606 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___4), "=d" (__val_gu___4): "0" (p)); [7369] [2023-11-06 23:07:57,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___4), "=d" (__val_gu___4): "0" (p)); [7371] [2023-11-06 23:07:57,607 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___4), "=d" (__val_gu___4): "0" (p)); [7374] [2023-11-06 23:07:57,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [7446] [2023-11-06 23:07:57,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [7448] [2023-11-06 23:07:57,610 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [7451] [2023-11-06 23:07:57,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [7453] [2023-11-06 23:07:57,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu), "=d" (__val_gu): "0" (p)); [7456] [2023-11-06 23:07:57,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7486-7487] [2023-11-06 23:07:57,612 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7489-7490] [2023-11-06 23:07:57,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7493-7494] [2023-11-06 23:07:57,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7496-7497] [2023-11-06 23:07:57,613 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (p): "ebx"); [7500-7501] [2023-11-06 23:07:57,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [7522] [2023-11-06 23:07:57,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [7524] [2023-11-06 23:07:57,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [7527] [2023-11-06 23:07:57,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [7529] [2023-11-06 23:07:57,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___0), "=d" (__val_gu___0): "0" (p)); [7532] [2023-11-06 23:07:57,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_1": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7570] [2023-11-06 23:07:57,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_2": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7572] [2023-11-06 23:07:57,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_4": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7575] [2023-11-06 23:07:57,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_8": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7577] [2023-11-06 23:07:57,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_X": "=a" (__ret_gu___1), "=d" (__val_gu___1): "0" (p)); [7580] [2023-11-06 23:07:57,831 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_a85b7467-2ecd-4198-b6a7-86d62b7e4672/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2023-11-06 23:07:57,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:07:58,310 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:07:58,310 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:07:58,311 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:07:58,319 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:07:58,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:58 WrapperNode [2023-11-06 23:07:58,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:07:58,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:07:58,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:07:58,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:07:58,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:58" (1/1) ... [2023-11-06 23:07:58,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:58" (1/1) ... [2023-11-06 23:07:58,598 INFO L138 Inliner]: procedures = 316, calls = 1825, calls flagged for inlining = 150, calls inlined = 120, statements flattened = 4205 [2023-11-06 23:07:58,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:07:58,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:07:58,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:07:58,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:07:58,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:58" (1/1) ... [2023-11-06 23:07:58,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:58" (1/1) ... [2023-11-06 23:07:58,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:58" (1/1) ... [2023-11-06 23:07:58,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:58" (1/1) ... [2023-11-06 23:07:58,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:58" (1/1) ... [2023-11-06 23:07:58,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:58" (1/1) ... [2023-11-06 23:07:58,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:58" (1/1) ... [2023-11-06 23:07:58,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:58" (1/1) ... [2023-11-06 23:07:58,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:07:58,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:07:58,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:07:58,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:07:58,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:58" (1/1) ... [2023-11-06 23:07:58,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:07:58,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:07:58,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:07:58,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:07:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2023-11-06 23:07:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2023-11-06 23:07:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-06 23:07:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-06 23:07:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-06 23:07:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-06 23:07:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2023-11-06 23:07:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2023-11-06 23:07:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-06 23:07:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2023-11-06 23:07:58,949 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2023-11-06 23:07:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 23:07:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 23:07:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-06 23:07:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-06 23:07:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-06 23:07:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 23:07:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-06 23:07:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-06 23:07:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-06 23:07:58,951 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-06 23:07:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2023-11-06 23:07:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2023-11-06 23:07:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2023-11-06 23:07:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2023-11-06 23:07:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2023-11-06 23:07:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2023-11-06 23:07:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-06 23:07:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-06 23:07:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-06 23:07:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-06 23:07:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-06 23:07:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-06 23:07:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-06 23:07:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-06 23:07:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2023-11-06 23:07:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2023-11-06 23:07:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-06 23:07:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-06 23:07:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2023-11-06 23:07:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~$Pointer$ [2023-11-06 23:07:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2023-11-06 23:07:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2023-11-06 23:07:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2023-11-06 23:07:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2023-11-06 23:07:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-06 23:07:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-06 23:07:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2023-11-06 23:07:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2023-11-06 23:07:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2023-11-06 23:07:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2023-11-06 23:07:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-06 23:07:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-06 23:07:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-06 23:07:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-06 23:07:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 23:07:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 23:07:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2023-11-06 23:07:58,963 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2023-11-06 23:07:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-06 23:07:58,964 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-06 23:07:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-06 23:07:58,965 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-06 23:07:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2023-11-06 23:07:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2023-11-06 23:07:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2023-11-06 23:07:58,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2023-11-06 23:07:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2023-11-06 23:07:58,973 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2023-11-06 23:07:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2023-11-06 23:07:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2023-11-06 23:07:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:07:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 23:07:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-06 23:07:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-06 23:07:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-06 23:07:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-06 23:07:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:07:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-06 23:07:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-06 23:07:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-06 23:07:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-06 23:07:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-06 23:07:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-06 23:07:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-06 23:07:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-06 23:07:58,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-06 23:07:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:07:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 23:07:58,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 23:07:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2023-11-06 23:07:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2023-11-06 23:07:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-06 23:07:58,977 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-06 23:07:58,977 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-06 23:07:58,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-06 23:07:58,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:07:58,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 23:07:58,979 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-06 23:07:58,979 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-06 23:07:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2023-11-06 23:07:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-06 23:07:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-06 23:07:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-06 23:07:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-06 23:07:58,980 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2023-11-06 23:07:58,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2023-11-06 23:07:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2023-11-06 23:07:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2023-11-06 23:07:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-06 23:07:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-06 23:07:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-06 23:07:58,981 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-06 23:07:58,981 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-06 23:07:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-06 23:07:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2023-11-06 23:07:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2023-11-06 23:07:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2023-11-06 23:07:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2023-11-06 23:07:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-06 23:07:58,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-06 23:07:58,982 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-06 23:07:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-06 23:07:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-06 23:07:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-06 23:07:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2023-11-06 23:07:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2023-11-06 23:07:58,983 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-06 23:07:58,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-06 23:07:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2023-11-06 23:07:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2023-11-06 23:07:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2023-11-06 23:07:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2023-11-06 23:07:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-06 23:07:58,984 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-06 23:07:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2023-11-06 23:07:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2023-11-06 23:07:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-06 23:07:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-06 23:07:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-06 23:07:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-06 23:07:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2023-11-06 23:07:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2023-11-06 23:07:58,985 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2023-11-06 23:07:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2023-11-06 23:07:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2023-11-06 23:07:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2023-11-06 23:07:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2023-11-06 23:07:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2023-11-06 23:07:58,986 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2023-11-06 23:07:58,986 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2023-11-06 23:07:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-06 23:07:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-06 23:07:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2023-11-06 23:07:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2023-11-06 23:07:58,987 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2023-11-06 23:07:58,987 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2023-11-06 23:07:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-06 23:07:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-06 23:07:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-06 23:07:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-06 23:07:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-06 23:07:58,988 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-06 23:07:58,988 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-06 23:07:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-06 23:07:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-06 23:07:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-06 23:07:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-11-06 23:07:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-11-06 23:07:58,989 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2023-11-06 23:07:58,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2023-11-06 23:07:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2023-11-06 23:07:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2023-11-06 23:07:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:07:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-06 23:07:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-06 23:07:58,990 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-06 23:07:58,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-06 23:07:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:07:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-06 23:07:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-06 23:07:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:07:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-06 23:07:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-06 23:07:58,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-06 23:07:58,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 23:07:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-06 23:07:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-06 23:07:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-06 23:07:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-06 23:07:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-06 23:07:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-06 23:07:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-06 23:07:58,998 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-06 23:07:58,999 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-06 23:07:59,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-06 23:07:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-06 23:07:59,001 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-06 23:07:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2023-11-06 23:07:59,001 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2023-11-06 23:07:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-06 23:07:59,001 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-06 23:07:59,001 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-06 23:07:59,002 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-06 23:07:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-06 23:07:59,002 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-06 23:07:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-06 23:07:59,002 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-06 23:07:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-06 23:07:59,002 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-06 23:07:59,002 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2023-11-06 23:07:59,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2023-11-06 23:07:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2023-11-06 23:07:59,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2023-11-06 23:07:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-06 23:07:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2023-11-06 23:07:59,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2023-11-06 23:07:59,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-06 23:07:59,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-06 23:07:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:07:59,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:07:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-06 23:07:59,004 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-06 23:07:59,004 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-06 23:07:59,004 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-06 23:07:59,842 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:07:59,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:08:03,638 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-06 23:08:03,638 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-06 23:08:15,649 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 23:08:15,653 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 23:08:15,657 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 23:08:15,659 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 23:08:15,668 WARN L818 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-06 23:08:28,237 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446: SUMMARY for call ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset := get_current(); srcloc: null [2023-11-06 23:08:28,237 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L6446-1: ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset := ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;havoc ppp_read_#t~ret294#1.base, ppp_read_#t~ret294#1.offset;ppp_read_~__ptr~0#1.base, ppp_read_~__ptr~0#1.offset := ppp_read_~tmp___0~15#1.base, ppp_read_~tmp___0~15#1.offset; [2023-11-06 23:08:28,237 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##437: assume !false; [2023-11-06 23:08:28,237 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume false; [2023-11-06 23:08:28,238 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528-1: ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset := ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;havoc ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset;ppp_read_~__ptr___3~0#1.base, ppp_read_~__ptr___3~0#1.offset := ppp_read_~tmp___6~0#1.base, ppp_read_~tmp___6~0#1.offset; [2023-11-06 23:08:28,238 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint L6528: SUMMARY for call ppp_read_#t~ret306#1.base, ppp_read_#t~ret306#1.offset := get_current(); srcloc: null [2023-11-06 23:08:28,238 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##261: assume !false; [2023-11-06 23:08:28,238 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##260: assume false; [2023-11-06 23:08:28,238 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2023-11-06 23:08:28,238 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2023-11-06 23:08:28,238 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2023-11-06 23:08:28,238 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2023-11-06 23:08:28,238 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2023-11-06 23:08:28,238 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2023-11-06 23:08:28,238 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##206: assume !false; [2023-11-06 23:08:28,239 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##205: assume false; [2023-11-06 23:08:28,239 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2023-11-06 23:08:28,239 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2023-11-06 23:08:28,239 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##317: assume false; [2023-11-06 23:08:28,239 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##318: assume !false; [2023-11-06 23:08:28,239 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##324: assume !false; [2023-11-06 23:08:28,239 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume false; [2023-11-06 23:08:28,239 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##173: assume !false; [2023-11-06 23:08:28,239 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##172: assume false; [2023-11-06 23:08:28,240 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##64: assume !false; [2023-11-06 23:08:28,240 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume false; [2023-11-06 23:08:28,240 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2023-11-06 23:08:28,240 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2023-11-06 23:08:28,240 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##127: assume !false; [2023-11-06 23:08:28,240 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume !false; [2023-11-06 23:08:28,240 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2023-11-06 23:08:28,240 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume false; [2023-11-06 23:08:28,240 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2023-11-06 23:08:28,240 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2023-11-06 23:08:28,241 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2023-11-06 23:08:28,241 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2023-11-06 23:08:28,241 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2023-11-06 23:08:28,241 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2023-11-06 23:08:28,241 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2023-11-06 23:08:28,241 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##338: assume !false; [2023-11-06 23:08:28,243 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##337: assume false; [2023-11-06 23:08:28,243 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##126: assume false; [2023-11-06 23:08:28,244 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##367: assume !false; [2023-11-06 23:08:28,244 INFO L771 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##366: assume false; [2023-11-06 23:08:28,337 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:08:28,358 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:08:28,358 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-06 23:08:28,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:28 BoogieIcfgContainer [2023-11-06 23:08:28,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:08:28,366 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:08:28,367 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:08:28,370 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:08:28,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:07:54" (1/3) ... [2023-11-06 23:08:28,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690b5212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:08:28, skipping insertion in model container [2023-11-06 23:08:28,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:07:58" (2/3) ... [2023-11-06 23:08:28,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@690b5212 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:08:28, skipping insertion in model container [2023-11-06 23:08:28,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:08:28" (3/3) ... [2023-11-06 23:08:28,373 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2023-11-06 23:08:28,394 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:08:28,394 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:08:28,487 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:08:28,492 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=LoopsAndPotentialCycles, 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;@ef3c930, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:08:28,492 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:08:28,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 1486 states, 1043 states have (on average 1.3432406519654843) internal successors, (1401), 1078 states have internal predecessors, (1401), 347 states have call successors, (347), 96 states have call predecessors, (347), 96 states have return successors, (347), 339 states have call predecessors, (347), 347 states have call successors, (347) [2023-11-06 23:08:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-06 23:08:28,515 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:28,516 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:28,516 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:08:28,526 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:28,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1700817975, now seen corresponding path program 1 times [2023-11-06 23:08:28,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:08:28,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437366043] [2023-11-06 23:08:28,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:28,544 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:08:28,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:08:28,552 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:08:28,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 23:08:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:29,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:08:29,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:08:29,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 23:08:29,800 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:08:29,800 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:08:29,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [437366043] [2023-11-06 23:08:29,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [437366043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:29,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:29,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:08:29,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194733846] [2023-11-06 23:08:29,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:29,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:08:29,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:08:29,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:08:29,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:08:29,845 INFO L87 Difference]: Start difference. First operand has 1486 states, 1043 states have (on average 1.3432406519654843) internal successors, (1401), 1078 states have internal predecessors, (1401), 347 states have call successors, (347), 96 states have call predecessors, (347), 96 states have return successors, (347), 339 states have call predecessors, (347), 347 states have call successors, (347) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:08:30,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:30,376 INFO L93 Difference]: Finished difference Result 4397 states and 6330 transitions. [2023-11-06 23:08:30,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:08:30,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-11-06 23:08:30,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:30,435 INFO L225 Difference]: With dead ends: 4397 [2023-11-06 23:08:30,435 INFO L226 Difference]: Without dead ends: 2899 [2023-11-06 23:08:30,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:08:30,460 INFO L413 NwaCegarLoop]: 2119 mSDtfsCounter, 2042 mSDsluCounter, 2014 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2042 SdHoareTripleChecker+Valid, 4133 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:30,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2042 Valid, 4133 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:08:30,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2899 states. [2023-11-06 23:08:30,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2899 to 2896. [2023-11-06 23:08:30,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2896 states, 2028 states have (on average 1.3205128205128205) internal successors, (2678), 2095 states have internal predecessors, (2678), 677 states have call successors, (677), 191 states have call predecessors, (677), 190 states have return successors, (678), 659 states have call predecessors, (678), 675 states have call successors, (678) [2023-11-06 23:08:30,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2896 states and 4033 transitions. [2023-11-06 23:08:30,820 INFO L78 Accepts]: Start accepts. Automaton has 2896 states and 4033 transitions. Word has length 22 [2023-11-06 23:08:30,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:30,826 INFO L495 AbstractCegarLoop]: Abstraction has 2896 states and 4033 transitions. [2023-11-06 23:08:30,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:08:30,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 4033 transitions. [2023-11-06 23:08:30,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-06 23:08:30,849 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:30,850 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:30,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:08:31,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:08:31,061 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:08:31,061 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:31,061 INFO L85 PathProgramCache]: Analyzing trace with hash -409723600, now seen corresponding path program 1 times [2023-11-06 23:08:31,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:08:31,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849193138] [2023-11-06 23:08:31,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:31,064 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:08:31,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:08:31,066 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:08:31,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 23:08:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:32,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:08:32,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:08:32,600 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-06 23:08:32,601 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:08:32,601 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:08:32,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849193138] [2023-11-06 23:08:32,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849193138] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:32,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:32,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:08:32,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530738683] [2023-11-06 23:08:32,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:32,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:08:32,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:08:32,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:08:32,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:08:32,606 INFO L87 Difference]: Start difference. First operand 2896 states and 4033 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 23:08:33,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:33,005 INFO L93 Difference]: Finished difference Result 5759 states and 8024 transitions. [2023-11-06 23:08:33,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:08:33,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 84 [2023-11-06 23:08:33,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:33,031 INFO L225 Difference]: With dead ends: 5759 [2023-11-06 23:08:33,031 INFO L226 Difference]: Without dead ends: 2892 [2023-11-06 23:08:33,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:08:33,045 INFO L413 NwaCegarLoop]: 2052 mSDtfsCounter, 3 mSDsluCounter, 6140 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 8192 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:33,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 8192 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:08:33,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2892 states. [2023-11-06 23:08:33,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2892 to 2892. [2023-11-06 23:08:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2892 states, 2026 states have (on average 1.319842053307009) internal successors, (2674), 2091 states have internal predecessors, (2674), 675 states have call successors, (675), 191 states have call predecessors, (675), 190 states have return successors, (676), 657 states have call predecessors, (676), 673 states have call successors, (676) [2023-11-06 23:08:33,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2892 states to 2892 states and 4025 transitions. [2023-11-06 23:08:33,229 INFO L78 Accepts]: Start accepts. Automaton has 2892 states and 4025 transitions. Word has length 84 [2023-11-06 23:08:33,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:33,230 INFO L495 AbstractCegarLoop]: Abstraction has 2892 states and 4025 transitions. [2023-11-06 23:08:33,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-11-06 23:08:33,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2892 states and 4025 transitions. [2023-11-06 23:08:33,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-06 23:08:33,242 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:33,242 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:33,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:08:33,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:08:33,464 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:08:33,464 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:33,465 INFO L85 PathProgramCache]: Analyzing trace with hash 263585651, now seen corresponding path program 1 times [2023-11-06 23:08:33,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:08:33,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819903546] [2023-11-06 23:08:33,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:33,466 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:08:33,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:08:33,468 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:08:33,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 23:08:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:34,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:08:34,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:08:35,177 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 23:08:35,178 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:08:35,178 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:08:35,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819903546] [2023-11-06 23:08:35,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819903546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:35,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:35,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:08:35,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821610253] [2023-11-06 23:08:35,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:35,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:08:35,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:08:35,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:08:35,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:08:35,181 INFO L87 Difference]: Start difference. First operand 2892 states and 4025 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 23:08:35,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:08:35,509 INFO L93 Difference]: Finished difference Result 6789 states and 9641 transitions. [2023-11-06 23:08:35,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:08:35,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2023-11-06 23:08:35,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:08:35,543 INFO L225 Difference]: With dead ends: 6789 [2023-11-06 23:08:35,543 INFO L226 Difference]: Without dead ends: 3929 [2023-11-06 23:08:35,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:08:35,558 INFO L413 NwaCegarLoop]: 2285 mSDtfsCounter, 510 mSDsluCounter, 2047 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 4332 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:08:35,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 4332 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:08:35,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3929 states. [2023-11-06 23:08:35,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3929 to 3909. [2023-11-06 23:08:35,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3909 states, 2745 states have (on average 1.33551912568306) internal successors, (3666), 2824 states have internal predecessors, (3666), 973 states have call successors, (973), 191 states have call predecessors, (973), 190 states have return successors, (977), 953 states have call predecessors, (977), 971 states have call successors, (977) [2023-11-06 23:08:35,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3909 states to 3909 states and 5616 transitions. [2023-11-06 23:08:35,859 INFO L78 Accepts]: Start accepts. Automaton has 3909 states and 5616 transitions. Word has length 101 [2023-11-06 23:08:35,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:08:35,859 INFO L495 AbstractCegarLoop]: Abstraction has 3909 states and 5616 transitions. [2023-11-06 23:08:35,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 23:08:35,860 INFO L276 IsEmpty]: Start isEmpty. Operand 3909 states and 5616 transitions. [2023-11-06 23:08:35,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-06 23:08:35,869 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:08:35,870 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:08:35,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:08:36,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:08:36,093 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:08:36,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:08:36,093 INFO L85 PathProgramCache]: Analyzing trace with hash 1904931849, now seen corresponding path program 1 times [2023-11-06 23:08:36,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:08:36,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1057351920] [2023-11-06 23:08:36,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:08:36,095 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:08:36,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:08:36,097 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:08:36,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 23:08:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:08:37,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:08:37,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:08:37,667 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:08:37,668 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 20 [2023-11-06 23:08:41,786 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 23:08:41,787 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:08:41,787 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:08:41,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1057351920] [2023-11-06 23:08:41,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1057351920] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:08:41,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:08:41,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:08:41,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811559503] [2023-11-06 23:08:41,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:08:41,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:08:41,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:08:41,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:08:41,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=11, Unknown=2, NotChecked=0, Total=20 [2023-11-06 23:08:41,790 INFO L87 Difference]: Start difference. First operand 3909 states and 5616 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-06 23:08:44,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:08:46,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:08:48,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:08:50,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:08:53,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:08:55,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:08:57,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-06 23:09:00,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:03,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:05,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:07,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:09,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:12,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:14,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:19,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:21,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:26,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:28,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:34,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:37,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:39,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:09:41,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:41,517 INFO L93 Difference]: Finished difference Result 7807 states and 11259 transitions. [2023-11-06 23:09:41,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:09:41,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 118 [2023-11-06 23:09:41,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:41,553 INFO L225 Difference]: With dead ends: 7807 [2023-11-06 23:09:41,554 INFO L226 Difference]: Without dead ends: 3931 [2023-11-06 23:09:41,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=11, Invalid=17, Unknown=2, NotChecked=0, Total=30 [2023-11-06 23:09:41,572 INFO L413 NwaCegarLoop]: 2057 mSDtfsCounter, 9 mSDsluCounter, 5706 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 0 mSolverCounterUnsat, 19 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 7763 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 19 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:09:41,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 7763 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 451 Invalid, 19 Unknown, 0 Unchecked, 59.3s Time] [2023-11-06 23:09:41,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3931 states. [2023-11-06 23:09:41,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3931 to 3917. [2023-11-06 23:09:41,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3917 states, 2751 states have (on average 1.3355143584151217) internal successors, (3674), 2830 states have internal predecessors, (3674), 975 states have call successors, (975), 191 states have call predecessors, (975), 190 states have return successors, (979), 955 states have call predecessors, (979), 973 states have call successors, (979) [2023-11-06 23:09:41,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 3917 states and 5628 transitions. [2023-11-06 23:09:41,798 INFO L78 Accepts]: Start accepts. Automaton has 3917 states and 5628 transitions. Word has length 118 [2023-11-06 23:09:41,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:41,799 INFO L495 AbstractCegarLoop]: Abstraction has 3917 states and 5628 transitions. [2023-11-06 23:09:41,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-06 23:09:41,800 INFO L276 IsEmpty]: Start isEmpty. Operand 3917 states and 5628 transitions. [2023-11-06 23:09:41,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-06 23:09:41,813 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:41,813 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:41,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:42,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:42,031 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:09:42,031 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:42,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1827806622, now seen corresponding path program 1 times [2023-11-06 23:09:42,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:09:42,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [528772395] [2023-11-06 23:09:42,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:42,033 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:42,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:09:42,034 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:09:42,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a85b7467-2ecd-4198-b6a7-86d62b7e4672/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process