./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38156051-80e8-431d-bf37-91bc83906d7f/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38156051-80e8-431d-bf37-91bc83906d7f/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38156051-80e8-431d-bf37-91bc83906d7f/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38156051-80e8-431d-bf37-91bc83906d7f/bin/uautomizer-verify-uTZkv6EMXl/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_38156051-80e8-431d-bf37-91bc83906d7f/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38156051-80e8-431d-bf37-91bc83906d7f/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:15:07,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:15:07,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38156051-80e8-431d-bf37-91bc83906d7f/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-12 02:15:07,544 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:15:07,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:15:07,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:15:07,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:15:07,588 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:15:07,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:15:07,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:15:07,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:15:07,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:15:07,593 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:15:07,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:15:07,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:15:07,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:15:07,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:15:07,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:15:07,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:15:07,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:15:07,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:15:07,598 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:15:07,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:15:07,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:15:07,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:15:07,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:07,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:15:07,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:15:07,601 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:15:07,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:15:07,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:15:07,602 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:15:07,610 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:15:07,611 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:15:07,612 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:15:07,612 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:15:07,612 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_38156051-80e8-431d-bf37-91bc83906d7f/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38156051-80e8-431d-bf37-91bc83906d7f/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2023-11-12 02:15:07,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:15:07,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:15:07,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:15:07,899 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:15:07,900 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:15:07,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38156051-80e8-431d-bf37-91bc83906d7f/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2023-11-12 02:15:10,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:15:11,710 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:15:11,711 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38156051-80e8-431d-bf37-91bc83906d7f/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2023-11-12 02:15:11,761 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38156051-80e8-431d-bf37-91bc83906d7f/bin/uautomizer-verify-uTZkv6EMXl/data/dced620a6/e35c75629bdb4e9f84729fd20b389e3c/FLAG42b78629d [2023-11-12 02:15:11,777 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38156051-80e8-431d-bf37-91bc83906d7f/bin/uautomizer-verify-uTZkv6EMXl/data/dced620a6/e35c75629bdb4e9f84729fd20b389e3c [2023-11-12 02:15:11,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:15:11,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:15:11,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:11,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:15:11,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:15:11,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:11" (1/1) ... [2023-11-12 02:15:11,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27be573a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:11, skipping insertion in model container [2023-11-12 02:15:11,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:15:11" (1/1) ... [2023-11-12 02:15:11,990 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:15:14,209 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_38156051-80e8-431d-bf37-91bc83906d7f/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2023-11-12 02:15:14,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:14,325 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:15:14,504 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] [2023-11-12 02:15:14,518 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5127] [2023-11-12 02:15:14,519 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] [2023-11-12 02:15:14,519 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] [2023-11-12 02:15:14,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5186] [2023-11-12 02:15:14,521 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5188] [2023-11-12 02:15:14,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5190] [2023-11-12 02:15:14,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5193] [2023-11-12 02:15:14,523 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] [2023-11-12 02:15:14,524 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] [2023-11-12 02:15:14,524 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] [2023-11-12 02:15:14,533 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] [2023-11-12 02:15:14,550 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] [2023-11-12 02:15:14,572 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] [2023-11-12 02:15:14,574 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] [2023-11-12 02:15:14,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6448] [2023-11-12 02:15:14,583 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6454] [2023-11-12 02:15:14,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6460] [2023-11-12 02:15:14,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6467] [2023-11-12 02:15:14,586 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] [2023-11-12 02:15:14,587 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] [2023-11-12 02:15:14,587 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] [2023-11-12 02:15:14,588 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] [2023-11-12 02:15:14,603 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] [2023-11-12 02:15:14,604 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] [2023-11-12 02:15:14,604 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] [2023-11-12 02:15:14,605 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] [2023-11-12 02:15:14,605 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] [2023-11-12 02:15:14,610 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] [2023-11-12 02:15:14,611 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] [2023-11-12 02:15:14,611 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] [2023-11-12 02:15:14,612 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] [2023-11-12 02:15:14,613 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] [2023-11-12 02:15:14,614 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] [2023-11-12 02:15:14,614 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] [2023-11-12 02:15:14,614 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] [2023-11-12 02:15:14,615 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] [2023-11-12 02:15:14,615 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] [2023-11-12 02:15:14,617 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] [2023-11-12 02:15:14,618 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] [2023-11-12 02:15:14,618 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] [2023-11-12 02:15:14,619 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] [2023-11-12 02:15:14,619 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] [2023-11-12 02:15:14,620 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] [2023-11-12 02:15:14,621 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] [2023-11-12 02:15:14,621 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] [2023-11-12 02:15:14,622 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] [2023-11-12 02:15:14,623 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] [2023-11-12 02:15:14,624 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] [2023-11-12 02:15:14,625 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] [2023-11-12 02:15:14,625 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] [2023-11-12 02:15:14,625 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] [2023-11-12 02:15:14,626 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] [2023-11-12 02:15:14,627 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] [2023-11-12 02:15:14,628 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] [2023-11-12 02:15:14,628 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] [2023-11-12 02:15:14,629 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] [2023-11-12 02:15:14,629 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] [2023-11-12 02:15:14,631 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] [2023-11-12 02:15:14,632 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] [2023-11-12 02:15:14,632 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] [2023-11-12 02:15:14,633 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] [2023-11-12 02:15:14,633 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] [2023-11-12 02:15:14,637 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] [2023-11-12 02:15:14,638 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] [2023-11-12 02:15:14,639 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] [2023-11-12 02:15:14,639 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] [2023-11-12 02:15:14,640 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] [2023-11-12 02:15:14,644 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] [2023-11-12 02:15:14,644 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] [2023-11-12 02:15:14,646 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] [2023-11-12 02:15:14,646 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] [2023-11-12 02:15:14,647 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] [2023-11-12 02:15:14,648 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] [2023-11-12 02:15:14,648 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] [2023-11-12 02:15:14,649 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] [2023-11-12 02:15:14,649 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] [2023-11-12 02:15:14,650 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] [2023-11-12 02:15:14,651 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] [2023-11-12 02:15:14,651 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] [2023-11-12 02:15:14,652 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] [2023-11-12 02:15:14,652 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] [2023-11-12 02:15:14,652 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] [2023-11-12 02:15:14,654 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] [2023-11-12 02:15:14,654 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] [2023-11-12 02:15:14,655 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] [2023-11-12 02:15:14,655 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] [2023-11-12 02:15:14,655 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] [2023-11-12 02:15:14,805 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_38156051-80e8-431d-bf37-91bc83906d7f/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2023-11-12 02:15:14,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:15:15,155 WARN L672 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:15,156 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:15,156 WARN L672 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:15:15,164 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:15:15,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:15 WrapperNode [2023-11-12 02:15:15,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:15:15,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:15,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:15:15,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:15:15,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:15" (1/1) ... [2023-11-12 02:15:15,287 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:15" (1/1) ... [2023-11-12 02:15:15,481 INFO L138 Inliner]: procedures = 301, calls = 1827, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4630 [2023-11-12 02:15:15,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:15:15,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:15:15,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:15:15,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:15:15,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:15" (1/1) ... [2023-11-12 02:15:15,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:15" (1/1) ... [2023-11-12 02:15:15,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:15" (1/1) ... [2023-11-12 02:15:15,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:15" (1/1) ... [2023-11-12 02:15:15,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:15" (1/1) ... [2023-11-12 02:15:15,724 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:15" (1/1) ... [2023-11-12 02:15:15,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:15" (1/1) ... [2023-11-12 02:15:15,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:15" (1/1) ... [2023-11-12 02:15:15,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:15:15,789 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:15:15,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:15:15,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:15:15,790 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:15" (1/1) ... [2023-11-12 02:15:15,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:15:15,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38156051-80e8-431d-bf37-91bc83906d7f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:15:15,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38156051-80e8-431d-bf37-91bc83906d7f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:15:15,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38156051-80e8-431d-bf37-91bc83906d7f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:15:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2023-11-12 02:15:15,868 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2023-11-12 02:15:15,868 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-12 02:15:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-12 02:15:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-12 02:15:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-12 02:15:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2023-11-12 02:15:15,869 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2023-11-12 02:15:15,869 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-12 02:15:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2023-11-12 02:15:15,870 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2023-11-12 02:15:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 02:15:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-12 02:15:15,870 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-12 02:15:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 02:15:15,870 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-12 02:15:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-12 02:15:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-12 02:15:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-12 02:15:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2023-11-12 02:15:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2023-11-12 02:15:15,871 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2023-11-12 02:15:15,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2023-11-12 02:15:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2023-11-12 02:15:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2023-11-12 02:15:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-12 02:15:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-12 02:15:15,872 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-12 02:15:15,872 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-12 02:15:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-12 02:15:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-12 02:15:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:15:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:15:15,873 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2023-11-12 02:15:15,873 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2023-11-12 02:15:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-12 02:15:15,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-12 02:15:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2023-11-12 02:15:15,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2023-11-12 02:15:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2023-11-12 02:15:15,874 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2023-11-12 02:15:15,874 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 02:15:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 02:15:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2023-11-12 02:15:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2023-11-12 02:15:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2023-11-12 02:15:15,875 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2023-11-12 02:15:15,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-12 02:15:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-12 02:15:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 02:15:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 02:15:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 02:15:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 02:15:15,876 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2023-11-12 02:15:15,876 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2023-11-12 02:15:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-12 02:15:15,877 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-12 02:15:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-12 02:15:15,877 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-12 02:15:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2023-11-12 02:15:15,877 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2023-11-12 02:15:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2023-11-12 02:15:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2023-11-12 02:15:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2023-11-12 02:15:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2023-11-12 02:15:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2023-11-12 02:15:15,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2023-11-12 02:15:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:15:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 02:15:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 02:15:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 02:15:15,879 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-12 02:15:15,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-12 02:15:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:15:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-12 02:15:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-12 02:15:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 02:15:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 02:15:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-12 02:15:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-12 02:15:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:15:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:15:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2023-11-12 02:15:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2023-11-12 02:15:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-12 02:15:15,881 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-12 02:15:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-12 02:15:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-12 02:15:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-12 02:15:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-12 02:15:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-12 02:15:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-12 02:15:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-12 02:15:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-12 02:15:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2023-11-12 02:15:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2023-11-12 02:15:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2023-11-12 02:15:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2023-11-12 02:15:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 02:15:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 02:15:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 02:15:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 02:15:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-12 02:15:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-12 02:15:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2023-11-12 02:15:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2023-11-12 02:15:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2023-11-12 02:15:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2023-11-12 02:15:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-12 02:15:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-12 02:15:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-12 02:15:15,885 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-12 02:15:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 02:15:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-12 02:15:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-12 02:15:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2023-11-12 02:15:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2023-11-12 02:15:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-12 02:15:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-12 02:15:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2023-11-12 02:15:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2023-11-12 02:15:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 02:15:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2023-11-12 02:15:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2023-11-12 02:15:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-12 02:15:15,887 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-12 02:15:15,887 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2023-11-12 02:15:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2023-11-12 02:15:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:15:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-12 02:15:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-12 02:15:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-12 02:15:15,888 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-12 02:15:15,888 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2023-11-12 02:15:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2023-11-12 02:15:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2023-11-12 02:15:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2023-11-12 02:15:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2023-11-12 02:15:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2023-11-12 02:15:15,889 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2023-11-12 02:15:15,889 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2023-11-12 02:15:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2023-11-12 02:15:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2023-11-12 02:15:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 02:15:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 02:15:15,890 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2023-11-12 02:15:15,890 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2023-11-12 02:15:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2023-11-12 02:15:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2023-11-12 02:15:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:15:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-12 02:15:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-12 02:15:15,891 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-12 02:15:15,891 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-12 02:15:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-12 02:15:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-12 02:15:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2023-11-12 02:15:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2023-11-12 02:15:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2023-11-12 02:15:15,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2023-11-12 02:15:15,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:15:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-12 02:15:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-12 02:15:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-12 02:15:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-12 02:15:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:15:15,893 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-12 02:15:15,893 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-12 02:15:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:15:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-12 02:15:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2023-11-12 02:15:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2023-11-12 02:15:15,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:15:15,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-12 02:15:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-12 02:15:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-12 02:15:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-12 02:15:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-12 02:15:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-12 02:15:15,895 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-12 02:15:15,895 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-12 02:15:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-12 02:15:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 02:15:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 02:15:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2023-11-12 02:15:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2023-11-12 02:15:15,896 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-12 02:15:15,896 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-12 02:15:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-12 02:15:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-12 02:15:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 02:15:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 02:15:15,897 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-12 02:15:15,897 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-12 02:15:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-12 02:15:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-12 02:15:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2023-11-12 02:15:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2023-11-12 02:15:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 02:15:15,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-12 02:15:15,898 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2023-11-12 02:15:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2023-11-12 02:15:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2023-11-12 02:15:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2023-11-12 02:15:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2023-11-12 02:15:15,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2023-11-12 02:15:15,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:15:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2023-11-12 02:15:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2023-11-12 02:15:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 02:15:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-12 02:15:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:15:15,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:15:15,900 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-12 02:15:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-12 02:15:15,901 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 02:15:15,901 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 02:15:16,593 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:15:16,603 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:15:17,567 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-12 02:15:17,568 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-12 02:15:18,668 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:15:18,673 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:15:18,676 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:15:19,387 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##292: assume !false; [2023-11-12 02:15:19,388 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##291: assume false; [2023-11-12 02:15:19,388 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume !false; [2023-11-12 02:15:19,388 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##248: assume false; [2023-11-12 02:15:19,388 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##254: assume false; [2023-11-12 02:15:19,388 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##255: assume !false; [2023-11-12 02:15:19,388 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##263: assume !false; [2023-11-12 02:15:19,388 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##262: assume false; [2023-11-12 02:15:19,389 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##243: assume !false; [2023-11-12 02:15:19,389 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume false; [2023-11-12 02:15:19,389 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2023-11-12 02:15:19,389 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2023-11-12 02:15:19,389 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2023-11-12 02:15:19,389 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2023-11-12 02:15:19,389 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##193: assume !false; [2023-11-12 02:15:19,390 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume false; [2023-11-12 02:15:19,390 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2023-11-12 02:15:19,390 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2023-11-12 02:15:19,390 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2023-11-12 02:15:19,390 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2023-11-12 02:15:19,390 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2023-11-12 02:15:19,390 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2023-11-12 02:15:19,390 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2023-11-12 02:15:19,391 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2023-11-12 02:15:19,391 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2023-11-12 02:15:19,391 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2023-11-12 02:15:19,391 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2023-11-12 02:15:19,391 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2023-11-12 02:15:19,391 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2023-11-12 02:15:19,391 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2023-11-12 02:15:19,391 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2023-11-12 02:15:19,392 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2023-11-12 02:15:19,647 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:15:19,653 WARN L817 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-12 02:15:20,728 INFO L770 $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 [2023-11-12 02:15:20,729 INFO L770 $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; [2023-11-12 02:15:20,729 INFO L770 $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; [2023-11-12 02:15:20,729 INFO L770 $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 [2023-11-12 02:15:20,729 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2023-11-12 02:15:20,730 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2023-11-12 02:15:20,730 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##179: assume !false; [2023-11-12 02:15:20,730 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##178: assume false; [2023-11-12 02:15:20,730 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2023-11-12 02:15:20,730 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2023-11-12 02:15:20,730 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2023-11-12 02:15:20,731 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2023-11-12 02:15:20,857 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:15:20,882 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:15:20,883 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-12 02:15:20,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:20 BoogieIcfgContainer [2023-11-12 02:15:20,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:15:20,894 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:15:20,895 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:15:20,898 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:15:20,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:15:11" (1/3) ... [2023-11-12 02:15:20,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aff14f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:20, skipping insertion in model container [2023-11-12 02:15:20,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:15:15" (2/3) ... [2023-11-12 02:15:20,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aff14f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:15:20, skipping insertion in model container [2023-11-12 02:15:20,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:15:20" (3/3) ... [2023-11-12 02:15:20,903 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2023-11-12 02:15:20,924 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:15:20,924 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:15:21,038 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:15:21,047 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6e2e1d9b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:15:21,048 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:15:21,065 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) [2023-11-12 02:15:21,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 02:15:21,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:21,076 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] [2023-11-12 02:15:21,076 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:21,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:21,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1819310515, now seen corresponding path program 1 times [2023-11-12 02:15:21,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:21,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606812670] [2023-11-12 02:15:21,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:21,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:21,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:15:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:21,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:15:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 02:15:21,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:21,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606812670] [2023-11-12 02:15:21,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606812670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:21,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:21,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:15:21,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954145258] [2023-11-12 02:15:21,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:21,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:15:21,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:21,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:15:21,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:15:21,791 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) [2023-11-12 02:15:22,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:22,168 INFO L93 Difference]: Finished difference Result 4757 states and 6970 transitions. [2023-11-12 02:15:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:15:22,171 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 [2023-11-12 02:15:22,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:22,229 INFO L225 Difference]: With dead ends: 4757 [2023-11-12 02:15:22,230 INFO L226 Difference]: Without dead ends: 3139 [2023-11-12 02:15:22,253 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 [2023-11-12 02:15:22,258 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 [2023-11-12 02:15:22,260 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] [2023-11-12 02:15:22,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3139 states. [2023-11-12 02:15:22,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3139 to 3136. [2023-11-12 02:15:22,568 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) [2023-11-12 02:15:22,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 3136 states and 4432 transitions. [2023-11-12 02:15:22,699 INFO L78 Accepts]: Start accepts. Automaton has 3136 states and 4432 transitions. Word has length 22 [2023-11-12 02:15:22,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:22,700 INFO L495 AbstractCegarLoop]: Abstraction has 3136 states and 4432 transitions. [2023-11-12 02:15:22,700 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) [2023-11-12 02:15:22,700 INFO L276 IsEmpty]: Start isEmpty. Operand 3136 states and 4432 transitions. [2023-11-12 02:15:22,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-12 02:15:22,726 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:22,726 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] [2023-11-12 02:15:22,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:15:22,727 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:22,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:22,727 INFO L85 PathProgramCache]: Analyzing trace with hash -2133367349, now seen corresponding path program 1 times [2023-11-12 02:15:22,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:22,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537629004] [2023-11-12 02:15:22,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:22,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:23,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:15:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:23,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:15:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:23,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-12 02:15:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:23,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:15:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-12 02:15:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:23,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-12 02:15:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:23,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-12 02:15:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:23,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-12 02:15:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:23,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-12 02:15:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:23,222 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 02:15:23,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:23,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537629004] [2023-11-12 02:15:23,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537629004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:23,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:23,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:15:23,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153476594] [2023-11-12 02:15:23,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:23,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:15:23,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:23,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:15:23,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:15:23,227 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) [2023-11-12 02:15:28,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:28,386 INFO L93 Difference]: Finished difference Result 6899 states and 9877 transitions. [2023-11-12 02:15:28,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:15:28,387 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 [2023-11-12 02:15:28,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:28,422 INFO L225 Difference]: With dead ends: 6899 [2023-11-12 02:15:28,423 INFO L226 Difference]: Without dead ends: 3799 [2023-11-12 02:15:28,442 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 [2023-11-12 02:15:28,444 INFO L413 NwaCegarLoop]: 1654 mSDtfsCounter, 1062 mSDsluCounter, 2108 mSDsCounter, 0 mSdLazyCounter, 2000 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 3762 SdHoareTripleChecker+Invalid, 2404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 2000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:28,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1247 Valid, 3762 Invalid, 2404 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [404 Valid, 2000 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2023-11-12 02:15:28,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3799 states. [2023-11-12 02:15:28,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3799 to 3423. [2023-11-12 02:15:28,682 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) [2023-11-12 02:15:28,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 3423 states and 4871 transitions. [2023-11-12 02:15:28,720 INFO L78 Accepts]: Start accepts. Automaton has 3423 states and 4871 transitions. Word has length 90 [2023-11-12 02:15:28,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:28,720 INFO L495 AbstractCegarLoop]: Abstraction has 3423 states and 4871 transitions. [2023-11-12 02:15:28,721 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) [2023-11-12 02:15:28,721 INFO L276 IsEmpty]: Start isEmpty. Operand 3423 states and 4871 transitions. [2023-11-12 02:15:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-12 02:15:28,731 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:28,731 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2023-11-12 02:15:28,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:15:28,732 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:28,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:28,733 INFO L85 PathProgramCache]: Analyzing trace with hash 212863217, now seen corresponding path program 1 times [2023-11-12 02:15:28,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:28,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043090418] [2023-11-12 02:15:28,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:28,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:29,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:15:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:29,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:15:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-12 02:15:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:15:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:29,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-12 02:15:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-12 02:15:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:29,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-12 02:15:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-12 02:15:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:15:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:29,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:15:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:29,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-12 02:15:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:29,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-12 02:15:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:29,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-12 02:15:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:29,136 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-12 02:15:29,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:29,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043090418] [2023-11-12 02:15:29,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043090418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:29,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:29,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:15:29,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315153906] [2023-11-12 02:15:29,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:29,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:15:29,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:29,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:15:29,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:15:29,140 INFO L87 Difference]: Start difference. First operand 3423 states and 4871 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:15:33,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:33,664 INFO L93 Difference]: Finished difference Result 7167 states and 10289 transitions. [2023-11-12 02:15:33,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:15:33,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 116 [2023-11-12 02:15:33,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:33,699 INFO L225 Difference]: With dead ends: 7167 [2023-11-12 02:15:33,699 INFO L226 Difference]: Without dead ends: 3781 [2023-11-12 02:15:33,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:15:33,728 INFO L413 NwaCegarLoop]: 1615 mSDtfsCounter, 878 mSDsluCounter, 2108 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 3723 SdHoareTripleChecker+Invalid, 2353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:33,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 3723 Invalid, 2353 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [365 Valid, 1988 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-11-12 02:15:33,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3781 states. [2023-11-12 02:15:33,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3781 to 3425. [2023-11-12 02:15:33,901 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) [2023-11-12 02:15:33,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 3425 states and 4873 transitions. [2023-11-12 02:15:33,924 INFO L78 Accepts]: Start accepts. Automaton has 3425 states and 4873 transitions. Word has length 116 [2023-11-12 02:15:33,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:33,927 INFO L495 AbstractCegarLoop]: Abstraction has 3425 states and 4873 transitions. [2023-11-12 02:15:33,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-12 02:15:33,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3425 states and 4873 transitions. [2023-11-12 02:15:33,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-12 02:15:33,939 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:33,940 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] [2023-11-12 02:15:33,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:15:33,940 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:33,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:33,941 INFO L85 PathProgramCache]: Analyzing trace with hash 2025242676, now seen corresponding path program 1 times [2023-11-12 02:15:33,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:33,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987345906] [2023-11-12 02:15:33,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:33,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:15:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:15:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-12 02:15:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-12 02:15:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-12 02:15:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:15:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-12 02:15:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-12 02:15:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:15:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-12 02:15:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:15:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:34,318 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 02:15:34,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:34,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987345906] [2023-11-12 02:15:34,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987345906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:34,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:34,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:15:34,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486694316] [2023-11-12 02:15:34,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:34,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 02:15:34,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:34,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:15:34,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:15:34,326 INFO L87 Difference]: Start difference. First operand 3425 states and 4873 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) [2023-11-12 02:15:38,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:38,568 INFO L93 Difference]: Finished difference Result 7175 states and 10319 transitions. [2023-11-12 02:15:38,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 02:15:38,571 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 [2023-11-12 02:15:38,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:38,613 INFO L225 Difference]: With dead ends: 7175 [2023-11-12 02:15:38,614 INFO L226 Difference]: Without dead ends: 3787 [2023-11-12 02:15:38,635 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 [2023-11-12 02:15:38,642 INFO L413 NwaCegarLoop]: 1639 mSDtfsCounter, 882 mSDsluCounter, 2138 mSDsCounter, 0 mSdLazyCounter, 1979 mSolverCounterSat, 365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 3777 SdHoareTripleChecker+Invalid, 2344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 1979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:38,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 3777 Invalid, 2344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [365 Valid, 1979 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2023-11-12 02:15:38,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3787 states. [2023-11-12 02:15:38,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3787 to 3427. [2023-11-12 02:15:38,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3427 states, 2483 states have (on average 1.359645590012082) internal successors, (3376), 2552 states have internal predecessors, (3376), 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) [2023-11-12 02:15:38,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 3427 states and 4875 transitions. [2023-11-12 02:15:38,935 INFO L78 Accepts]: Start accepts. Automaton has 3427 states and 4875 transitions. Word has length 108 [2023-11-12 02:15:38,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:38,935 INFO L495 AbstractCegarLoop]: Abstraction has 3427 states and 4875 transitions. [2023-11-12 02:15:38,936 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) [2023-11-12 02:15:38,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3427 states and 4875 transitions. [2023-11-12 02:15:38,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-12 02:15:38,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:38,949 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] [2023-11-12 02:15:38,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:15:38,949 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:38,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:38,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1737426442, now seen corresponding path program 1 times [2023-11-12 02:15:38,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:38,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340855263] [2023-11-12 02:15:38,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:38,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:39,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:15:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:39,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:15:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:39,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-12 02:15:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:39,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-12 02:15:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:39,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-12 02:15:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:39,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-12 02:15:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-12 02:15:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:39,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-12 02:15:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:39,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-12 02:15:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-12 02:15:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:39,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-12 02:15:39,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:39,714 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-12 02:15:39,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:39,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340855263] [2023-11-12 02:15:39,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340855263] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:39,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:39,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:15:39,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792322509] [2023-11-12 02:15:39,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:39,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:15:39,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:39,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:15:39,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:15:39,717 INFO L87 Difference]: Start difference. First operand 3427 states and 4875 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) [2023-11-12 02:15:45,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:45,365 INFO L93 Difference]: Finished difference Result 7177 states and 10290 transitions. [2023-11-12 02:15:45,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:15:45,366 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 [2023-11-12 02:15:45,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:45,397 INFO L225 Difference]: With dead ends: 7177 [2023-11-12 02:15:45,398 INFO L226 Difference]: Without dead ends: 3779 [2023-11-12 02:15:45,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:15:45,416 INFO L413 NwaCegarLoop]: 1601 mSDtfsCounter, 881 mSDsluCounter, 4949 mSDsCounter, 0 mSdLazyCounter, 3695 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 6550 SdHoareTripleChecker+Invalid, 4064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 3695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:45,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 6550 Invalid, 4064 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [369 Valid, 3695 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2023-11-12 02:15:45,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3779 states. [2023-11-12 02:15:45,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3779 to 3423. [2023-11-12 02:15:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3423 states, 2481 states have (on average 1.3591293833131801) internal successors, (3372), 2548 states have internal predecessors, (3372), 745 states have call successors, (745), 197 states have call predecessors, (745), 196 states have return successors, (750), 727 states have call predecessors, (750), 743 states have call successors, (750) [2023-11-12 02:15:45,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 3423 states and 4867 transitions. [2023-11-12 02:15:45,592 INFO L78 Accepts]: Start accepts. Automaton has 3423 states and 4867 transitions. Word has length 108 [2023-11-12 02:15:45,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:45,592 INFO L495 AbstractCegarLoop]: Abstraction has 3423 states and 4867 transitions. [2023-11-12 02:15:45,592 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) [2023-11-12 02:15:45,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3423 states and 4867 transitions. [2023-11-12 02:15:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-12 02:15:45,601 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:45,601 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2023-11-12 02:15:45,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:15:45,602 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:45,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:45,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1298002352, now seen corresponding path program 1 times [2023-11-12 02:15:45,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:45,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612866476] [2023-11-12 02:15:45,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:45,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:45,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-12 02:15:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-12 02:15:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-12 02:15:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-12 02:15:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-12 02:15:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-12 02:15:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-12 02:15:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-12 02:15:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-12 02:15:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-12 02:15:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-12 02:15:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-12 02:15:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-12 02:15:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-12 02:15:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-12 02:15:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-12 02:15:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-12 02:15:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:15:46,274 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-12 02:15:46,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:15:46,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612866476] [2023-11-12 02:15:46,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612866476] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:15:46,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:15:46,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:15:46,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374493487] [2023-11-12 02:15:46,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:15:46,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:15:46,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:15:46,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:15:46,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:15:46,287 INFO L87 Difference]: Start difference. First operand 3423 states and 4867 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-12 02:15:53,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:15:53,014 INFO L93 Difference]: Finished difference Result 7741 states and 11291 transitions. [2023-11-12 02:15:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:15:53,016 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 152 [2023-11-12 02:15:53,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:15:53,055 INFO L225 Difference]: With dead ends: 7741 [2023-11-12 02:15:53,055 INFO L226 Difference]: Without dead ends: 4351 [2023-11-12 02:15:53,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:15:53,075 INFO L413 NwaCegarLoop]: 1439 mSDtfsCounter, 1873 mSDsluCounter, 4077 mSDsCounter, 0 mSdLazyCounter, 3991 mSolverCounterSat, 1003 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2010 SdHoareTripleChecker+Valid, 5516 SdHoareTripleChecker+Invalid, 4994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1003 IncrementalHoareTripleChecker+Valid, 3991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:15:53,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2010 Valid, 5516 Invalid, 4994 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1003 Valid, 3991 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-11-12 02:15:53,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4351 states. [2023-11-12 02:15:53,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4351 to 3446. [2023-11-12 02:15:53,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3446 states, 2497 states have (on average 1.3596315578694433) internal successors, (3395), 2566 states have internal predecessors, (3395), 751 states have call successors, (751), 197 states have call predecessors, (751), 197 states have return successors, (759), 733 states have call predecessors, (759), 749 states have call successors, (759) [2023-11-12 02:15:53,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 3446 states and 4905 transitions. [2023-11-12 02:15:53,325 INFO L78 Accepts]: Start accepts. Automaton has 3446 states and 4905 transitions. Word has length 152 [2023-11-12 02:15:53,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:15:53,326 INFO L495 AbstractCegarLoop]: Abstraction has 3446 states and 4905 transitions. [2023-11-12 02:15:53,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-12 02:15:53,326 INFO L276 IsEmpty]: Start isEmpty. Operand 3446 states and 4905 transitions. [2023-11-12 02:15:53,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-12 02:15:53,335 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:15:53,335 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] [2023-11-12 02:15:53,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:15:53,336 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:15:53,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:15:53,336 INFO L85 PathProgramCache]: Analyzing trace with hash -842010619, now seen corresponding path program 1 times [2023-11-12 02:15:53,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:15:53,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85716918] [2023-11-12 02:15:53,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:15:53,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:15:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat