./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 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d386a585-e166-450e-b356-aa623a14e7e1/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d386a585-e166-450e-b356-aa623a14e7e1/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d386a585-e166-450e-b356-aa623a14e7e1/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d386a585-e166-450e-b356-aa623a14e7e1/bin/uautomizer-verify-uCwYo4JHxu/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_d386a585-e166-450e-b356-aa623a14e7e1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d386a585-e166-450e-b356-aa623a14e7e1/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:34:47,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:34:47,699 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d386a585-e166-450e-b356-aa623a14e7e1/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:34:47,705 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:34:47,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:34:47,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:34:47,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:34:47,732 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:34:47,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:34:47,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:34:47,734 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:34:47,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:34:47,735 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:34:47,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:34:47,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:34:47,737 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:34:47,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:34:47,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:34:47,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:34:47,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:34:47,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:34:47,745 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:34:47,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:34:47,746 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:34:47,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:34:47,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:47,747 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:34:47,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:34:47,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:34:47,749 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:34:47,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:34:47,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:34:47,751 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:34:47,751 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:34:47,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:34:47,751 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:34:47,752 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_d386a585-e166-450e-b356-aa623a14e7e1/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d386a585-e166-450e-b356-aa623a14e7e1/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2023-11-19 07:34:48,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:34:48,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:34:48,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:34:48,101 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:34:48,102 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:34:48,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d386a585-e166-450e-b356-aa623a14e7e1/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2023-11-19 07:34:51,353 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:34:51,982 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:34:51,982 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d386a585-e166-450e-b356-aa623a14e7e1/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2023-11-19 07:34:52,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d386a585-e166-450e-b356-aa623a14e7e1/bin/uautomizer-verify-uCwYo4JHxu/data/b6e647ba4/58c546493a4c4e79b888a883c78463a7/FLAG9b1dd2e71 [2023-11-19 07:34:52,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d386a585-e166-450e-b356-aa623a14e7e1/bin/uautomizer-verify-uCwYo4JHxu/data/b6e647ba4/58c546493a4c4e79b888a883c78463a7 [2023-11-19 07:34:52,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:34:52,077 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:34:52,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:52,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:34:52,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:34:52,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:52" (1/1) ... [2023-11-19 07:34:52,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52346b57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:52, skipping insertion in model container [2023-11-19 07:34:52,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:34:52" (1/1) ... [2023-11-19 07:34:52,305 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:34:54,353 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_d386a585-e166-450e-b356-aa623a14e7e1/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2023-11-19 07:34:54,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:54,482 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:34:54,608 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] [2023-11-19 07:34:54,610 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] [2023-11-19 07:34:54,611 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] [2023-11-19 07:34:54,611 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] [2023-11-19 07:34:54,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5186] [2023-11-19 07:34:54,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5188] [2023-11-19 07:34:54,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5190] [2023-11-19 07:34:54,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5193] [2023-11-19 07:34:54,617 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] [2023-11-19 07:34:54,618 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] [2023-11-19 07:34:54,618 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] [2023-11-19 07:34:54,635 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] [2023-11-19 07:34:54,695 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] [2023-11-19 07:34:54,718 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] [2023-11-19 07:34:54,721 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] [2023-11-19 07:34:54,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6448] [2023-11-19 07:34:54,728 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6454] [2023-11-19 07:34:54,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6460] [2023-11-19 07:34:54,730 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6467] [2023-11-19 07:34:54,732 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] [2023-11-19 07:34:54,733 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] [2023-11-19 07:34:54,734 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] [2023-11-19 07:34:54,734 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] [2023-11-19 07:34:54,753 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] [2023-11-19 07:34:54,754 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] [2023-11-19 07:34:54,754 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] [2023-11-19 07:34:54,755 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] [2023-11-19 07:34:54,755 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] [2023-11-19 07:34:54,762 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] [2023-11-19 07:34:54,763 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] [2023-11-19 07:34:54,763 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] [2023-11-19 07:34:54,765 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] [2023-11-19 07:34:54,765 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] [2023-11-19 07:34:54,766 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] [2023-11-19 07:34:54,767 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] [2023-11-19 07:34:54,767 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] [2023-11-19 07:34:54,768 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] [2023-11-19 07:34:54,768 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] [2023-11-19 07:34:54,771 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] [2023-11-19 07:34:54,772 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] [2023-11-19 07:34:54,772 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] [2023-11-19 07:34:54,773 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] [2023-11-19 07:34:54,773 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] [2023-11-19 07:34:54,774 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] [2023-11-19 07:34:54,775 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] [2023-11-19 07:34:54,776 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] [2023-11-19 07:34:54,776 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] [2023-11-19 07:34:54,778 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] [2023-11-19 07:34:54,779 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] [2023-11-19 07:34:54,780 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] [2023-11-19 07:34:54,781 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] [2023-11-19 07:34:54,781 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] [2023-11-19 07:34:54,782 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] [2023-11-19 07:34:54,783 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] [2023-11-19 07:34:54,783 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] [2023-11-19 07:34:54,784 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] [2023-11-19 07:34:54,784 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] [2023-11-19 07:34:54,785 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] [2023-11-19 07:34:54,786 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] [2023-11-19 07:34:54,787 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] [2023-11-19 07:34:54,788 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] [2023-11-19 07:34:54,788 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] [2023-11-19 07:34:54,789 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] [2023-11-19 07:34:54,795 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] [2023-11-19 07:34:54,795 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] [2023-11-19 07:34:54,796 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] [2023-11-19 07:34:54,797 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] [2023-11-19 07:34:54,798 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] [2023-11-19 07:34:54,802 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] [2023-11-19 07:34:54,803 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] [2023-11-19 07:34:54,805 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] [2023-11-19 07:34:54,805 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] [2023-11-19 07:34:54,805 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] [2023-11-19 07:34:54,807 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] [2023-11-19 07:34:54,807 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] [2023-11-19 07:34:54,807 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] [2023-11-19 07:34:54,808 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] [2023-11-19 07:34:54,809 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] [2023-11-19 07:34:54,810 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] [2023-11-19 07:34:54,811 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] [2023-11-19 07:34:54,811 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] [2023-11-19 07:34:54,811 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] [2023-11-19 07:34:54,812 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] [2023-11-19 07:34:54,813 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] [2023-11-19 07:34:54,814 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] [2023-11-19 07:34:54,814 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] [2023-11-19 07:34:54,815 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] [2023-11-19 07:34:54,815 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] [2023-11-19 07:34:55,001 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_d386a585-e166-450e-b356-aa623a14e7e1/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2023-11-19 07:34:55,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:34:55,322 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:55,323 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:55,323 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:34:55,331 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:34:55,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:55 WrapperNode [2023-11-19 07:34:55,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:34:55,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:55,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:34:55,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:34:55,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:55" (1/1) ... [2023-11-19 07:34:55,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:55" (1/1) ... [2023-11-19 07:34:55,654 INFO L138 Inliner]: procedures = 301, calls = 1827, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4630 [2023-11-19 07:34:55,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:34:55,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:34:55,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:34:55,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:34:55,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:55" (1/1) ... [2023-11-19 07:34:55,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:55" (1/1) ... [2023-11-19 07:34:55,685 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:55" (1/1) ... [2023-11-19 07:34:55,685 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:55" (1/1) ... [2023-11-19 07:34:55,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:55" (1/1) ... [2023-11-19 07:34:55,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:55" (1/1) ... [2023-11-19 07:34:55,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:55" (1/1) ... [2023-11-19 07:34:55,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:55" (1/1) ... [2023-11-19 07:34:55,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:34:55,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:34:55,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:34:55,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:34:55,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:55" (1/1) ... [2023-11-19 07:34:55,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:34:55,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d386a585-e166-450e-b356-aa623a14e7e1/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:34:55,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d386a585-e166-450e-b356-aa623a14e7e1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:34:55,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d386a585-e166-450e-b356-aa623a14e7e1/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:34:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2023-11-19 07:34:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2023-11-19 07:34:56,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:34:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-19 07:34:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-19 07:34:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-19 07:34:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2023-11-19 07:34:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2023-11-19 07:34:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-19 07:34:56,002 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2023-11-19 07:34:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2023-11-19 07:34:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 07:34:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-19 07:34:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-19 07:34:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:34:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-19 07:34:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-19 07:34:56,003 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-19 07:34:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-19 07:34:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2023-11-19 07:34:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2023-11-19 07:34:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2023-11-19 07:34:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2023-11-19 07:34:56,004 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2023-11-19 07:34:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2023-11-19 07:34:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-19 07:34:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-19 07:34:56,005 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-19 07:34:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-19 07:34:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-19 07:34:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-19 07:34:56,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:34:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:34:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2023-11-19 07:34:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2023-11-19 07:34:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-19 07:34:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-19 07:34:56,007 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2023-11-19 07:34:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2023-11-19 07:34:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2023-11-19 07:34:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2023-11-19 07:34:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:34:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:34:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2023-11-19 07:34:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2023-11-19 07:34:56,008 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2023-11-19 07:34:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2023-11-19 07:34:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-19 07:34:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-19 07:34:56,009 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-19 07:34:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-19 07:34:56,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:34:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:34:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2023-11-19 07:34:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2023-11-19 07:34:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-19 07:34:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-19 07:34:56,011 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-19 07:34:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-19 07:34:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2023-11-19 07:34:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2023-11-19 07:34:56,012 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2023-11-19 07:34:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2023-11-19 07:34:56,013 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2023-11-19 07:34:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2023-11-19 07:34:56,016 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2023-11-19 07:34:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2023-11-19 07:34:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:34:56,017 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 07:34:56,018 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:34:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:34:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-19 07:34:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-19 07:34:56,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:34:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-19 07:34:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-19 07:34:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-19 07:34:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-19 07:34:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-19 07:34:56,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-19 07:34:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:34:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:34:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2023-11-19 07:34:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2023-11-19 07:34:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-19 07:34:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-19 07:34:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:34:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:34:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-19 07:34:56,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-19 07:34:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 07:34:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 07:34:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-19 07:34:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-19 07:34:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2023-11-19 07:34:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2023-11-19 07:34:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2023-11-19 07:34:56,027 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2023-11-19 07:34:56,027 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 07:34:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 07:34:56,028 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 07:34:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 07:34:56,028 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-19 07:34:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-19 07:34:56,028 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2023-11-19 07:34:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2023-11-19 07:34:56,028 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2023-11-19 07:34:56,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2023-11-19 07:34:56,028 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:34:56,029 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:34:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-19 07:34:56,029 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-19 07:34:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 07:34:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-19 07:34:56,029 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-19 07:34:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2023-11-19 07:34:56,029 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2023-11-19 07:34:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-19 07:34:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-19 07:34:56,030 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2023-11-19 07:34:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2023-11-19 07:34:56,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:34:56,030 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2023-11-19 07:34:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2023-11-19 07:34:56,030 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-19 07:34:56,030 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-19 07:34:56,030 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2023-11-19 07:34:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2023-11-19 07:34:56,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:34:56,031 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-19 07:34:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-19 07:34:56,031 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-19 07:34:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-19 07:34:56,031 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2023-11-19 07:34:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2023-11-19 07:34:56,031 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2023-11-19 07:34:56,031 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2023-11-19 07:34:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2023-11-19 07:34:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2023-11-19 07:34:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2023-11-19 07:34:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2023-11-19 07:34:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2023-11-19 07:34:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2023-11-19 07:34:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:34:56,032 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:34:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2023-11-19 07:34:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2023-11-19 07:34:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2023-11-19 07:34:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2023-11-19 07:34:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:34:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-19 07:34:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-19 07:34:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-19 07:34:56,033 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-19 07:34:56,033 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-19 07:34:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-19 07:34:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2023-11-19 07:34:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2023-11-19 07:34:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2023-11-19 07:34:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2023-11-19 07:34:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:34:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-19 07:34:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-19 07:34:56,034 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 07:34:56,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 07:34:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:34:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-19 07:34:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-19 07:34:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:34:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-19 07:34:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2023-11-19 07:34:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2023-11-19 07:34:56,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:34:56,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:34:56,036 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-19 07:34:56,037 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-19 07:34:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-19 07:34:56,038 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-19 07:34:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-19 07:34:56,038 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-19 07:34:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-19 07:34:56,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-19 07:34:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 07:34:56,038 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 07:34:56,038 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2023-11-19 07:34:56,039 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2023-11-19 07:34:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 07:34:56,039 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 07:34:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-19 07:34:56,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-19 07:34:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-19 07:34:56,040 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-19 07:34:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-19 07:34:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-19 07:34:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:34:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:34:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2023-11-19 07:34:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2023-11-19 07:34:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:34:56,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-19 07:34:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2023-11-19 07:34:56,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2023-11-19 07:34:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2023-11-19 07:34:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2023-11-19 07:34:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2023-11-19 07:34:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2023-11-19 07:34:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:34:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2023-11-19 07:34:56,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2023-11-19 07:34:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:34:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-19 07:34:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:34:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:34:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-19 07:34:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-19 07:34:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 07:34:56,048 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 07:34:56,798 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:34:56,808 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:34:57,790 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-19 07:34:57,790 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-19 07:34:58,995 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:34:59,000 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:34:59,002 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:34:59,631 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##292: assume !false; [2023-11-19 07:34:59,631 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##291: assume false; [2023-11-19 07:34:59,631 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume !false; [2023-11-19 07:34:59,631 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##248: assume false; [2023-11-19 07:34:59,631 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##254: assume false; [2023-11-19 07:34:59,632 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##255: assume !false; [2023-11-19 07:34:59,632 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##263: assume !false; [2023-11-19 07:34:59,632 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##262: assume false; [2023-11-19 07:34:59,632 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##243: assume !false; [2023-11-19 07:34:59,632 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume false; [2023-11-19 07:34:59,632 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2023-11-19 07:34:59,632 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2023-11-19 07:34:59,633 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2023-11-19 07:34:59,633 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2023-11-19 07:34:59,633 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##193: assume !false; [2023-11-19 07:34:59,633 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume false; [2023-11-19 07:34:59,633 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2023-11-19 07:34:59,633 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2023-11-19 07:34:59,634 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2023-11-19 07:34:59,634 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2023-11-19 07:34:59,634 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2023-11-19 07:34:59,634 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2023-11-19 07:34:59,634 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2023-11-19 07:34:59,634 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2023-11-19 07:34:59,634 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2023-11-19 07:34:59,635 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2023-11-19 07:34:59,635 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2023-11-19 07:34:59,635 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2023-11-19 07:34:59,635 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2023-11-19 07:34:59,635 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2023-11-19 07:34:59,635 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2023-11-19 07:34:59,635 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2023-11-19 07:34:59,876 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:34:59,883 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-19 07:35:00,948 INFO L767 $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 [2023-11-19 07:35:00,949 INFO L767 $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; [2023-11-19 07:35:00,949 INFO L767 $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; [2023-11-19 07:35:00,949 INFO L767 $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 [2023-11-19 07:35:00,949 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2023-11-19 07:35:00,949 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2023-11-19 07:35:00,949 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##179: assume !false; [2023-11-19 07:35:00,949 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##178: assume false; [2023-11-19 07:35:00,949 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2023-11-19 07:35:00,950 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2023-11-19 07:35:00,950 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2023-11-19 07:35:00,950 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2023-11-19 07:35:01,070 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:35:01,099 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:35:01,099 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-19 07:35:01,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:01 BoogieIcfgContainer [2023-11-19 07:35:01,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:35:01,121 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:35:01,121 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:35:01,124 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:35:01,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:34:52" (1/3) ... [2023-11-19 07:35:01,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ff2011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:01, skipping insertion in model container [2023-11-19 07:35:01,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:34:55" (2/3) ... [2023-11-19 07:35:01,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ff2011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:01, skipping insertion in model container [2023-11-19 07:35:01,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:01" (3/3) ... [2023-11-19 07:35:01,129 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2023-11-19 07:35:01,151 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:35:01,151 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:35:01,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:35:01,290 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;@63d92f89, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:35:01,290 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:35:01,302 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) [2023-11-19 07:35:01,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 07:35:01,311 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:01,312 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] [2023-11-19 07:35:01,313 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:01,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:01,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1819310515, now seen corresponding path program 1 times [2023-11-19 07:35:01,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:01,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24760746] [2023-11-19 07:35:01,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:01,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:01,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:35:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:01,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:35:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:01,909 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:35:01,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:01,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24760746] [2023-11-19 07:35:01,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24760746] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:01,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:01,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:35:01,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438653731] [2023-11-19 07:35:01,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:01,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:35:01,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:01,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:35:01,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:35:01,954 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) [2023-11-19 07:35:02,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:02,432 INFO L93 Difference]: Finished difference Result 4757 states and 6970 transitions. [2023-11-19 07:35:02,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:35:02,434 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 [2023-11-19 07:35:02,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:02,488 INFO L225 Difference]: With dead ends: 4757 [2023-11-19 07:35:02,488 INFO L226 Difference]: Without dead ends: 3139 [2023-11-19 07:35:02,509 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 [2023-11-19 07:35:02,515 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 [2023-11-19 07:35:02,517 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] [2023-11-19 07:35:02,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3139 states. [2023-11-19 07:35:02,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3139 to 3136. [2023-11-19 07:35:02,818 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) [2023-11-19 07:35:02,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 3136 states and 4432 transitions. [2023-11-19 07:35:02,860 INFO L78 Accepts]: Start accepts. Automaton has 3136 states and 4432 transitions. Word has length 22 [2023-11-19 07:35:02,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:02,860 INFO L495 AbstractCegarLoop]: Abstraction has 3136 states and 4432 transitions. [2023-11-19 07:35:02,861 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) [2023-11-19 07:35:02,861 INFO L276 IsEmpty]: Start isEmpty. Operand 3136 states and 4432 transitions. [2023-11-19 07:35:02,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 07:35:02,879 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:02,879 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] [2023-11-19 07:35:02,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:35:02,880 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:02,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:02,881 INFO L85 PathProgramCache]: Analyzing trace with hash -2133367349, now seen corresponding path program 1 times [2023-11-19 07:35:02,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:02,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522886776] [2023-11-19 07:35:02,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:02,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:03,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:35:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:03,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:35:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:03,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-19 07:35:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:35:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:35:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:03,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:35:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-19 07:35:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:03,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:35:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-19 07:35:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 07:35:03,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:03,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522886776] [2023-11-19 07:35:03,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522886776] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:03,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:03,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:35:03,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758892731] [2023-11-19 07:35:03,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:03,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:35:03,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:03,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:35:03,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:35:03,581 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) [2023-11-19 07:35:08,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:08,100 INFO L93 Difference]: Finished difference Result 6899 states and 9877 transitions. [2023-11-19 07:35:08,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:35:08,101 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 [2023-11-19 07:35:08,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:08,194 INFO L225 Difference]: With dead ends: 6899 [2023-11-19 07:35:08,194 INFO L226 Difference]: Without dead ends: 3799 [2023-11-19 07:35:08,211 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 [2023-11-19 07:35:08,212 INFO L413 NwaCegarLoop]: 1654 mSDtfsCounter, 1062 mSDsluCounter, 2108 mSDsCounter, 0 mSdLazyCounter, 2000 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 4.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:08,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1247 Valid, 3762 Invalid, 2404 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [404 Valid, 2000 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-19 07:35:08,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3799 states. [2023-11-19 07:35:08,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3799 to 3423. [2023-11-19 07:35:08,419 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) [2023-11-19 07:35:08,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 3423 states and 4871 transitions. [2023-11-19 07:35:08,455 INFO L78 Accepts]: Start accepts. Automaton has 3423 states and 4871 transitions. Word has length 90 [2023-11-19 07:35:08,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:08,456 INFO L495 AbstractCegarLoop]: Abstraction has 3423 states and 4871 transitions. [2023-11-19 07:35:08,456 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) [2023-11-19 07:35:08,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3423 states and 4871 transitions. [2023-11-19 07:35:08,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 07:35:08,466 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:08,466 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] [2023-11-19 07:35:08,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:35:08,466 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:08,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:08,467 INFO L85 PathProgramCache]: Analyzing trace with hash 212863217, now seen corresponding path program 1 times [2023-11-19 07:35:08,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:08,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108743344] [2023-11-19 07:35:08,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:08,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:08,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:35:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:08,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:35:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:08,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-19 07:35:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:08,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:35:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:08,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-19 07:35:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-19 07:35:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:08,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-19 07:35:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:08,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:35:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:08,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-19 07:35:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:08,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:35:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:08,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-11-19 07:35:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:08,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 07:35:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:08,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-11-19 07:35:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:08,876 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-19 07:35:08,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:08,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108743344] [2023-11-19 07:35:08,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108743344] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:08,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:08,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:35:08,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994614105] [2023-11-19 07:35:08,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:08,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:35:08,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:08,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:35:08,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:35:08,880 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) [2023-11-19 07:35:14,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-19 07:35:15,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:15,542 INFO L93 Difference]: Finished difference Result 7167 states and 10289 transitions. [2023-11-19 07:35:15,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:35:15,543 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 [2023-11-19 07:35:15,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:15,586 INFO L225 Difference]: With dead ends: 7167 [2023-11-19 07:35:15,586 INFO L226 Difference]: Without dead ends: 3781 [2023-11-19 07:35:15,607 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 [2023-11-19 07:35:15,610 INFO L413 NwaCegarLoop]: 1614 mSDtfsCounter, 878 mSDsluCounter, 2106 mSDsCounter, 0 mSdLazyCounter, 1987 mSolverCounterSat, 365 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 3720 SdHoareTripleChecker+Invalid, 2353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 1987 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:15,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 3720 Invalid, 2353 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [365 Valid, 1987 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2023-11-19 07:35:15,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3781 states. [2023-11-19 07:35:15,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3781 to 3425. [2023-11-19 07:35:15,823 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) [2023-11-19 07:35:15,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 3425 states and 4873 transitions. [2023-11-19 07:35:15,855 INFO L78 Accepts]: Start accepts. Automaton has 3425 states and 4873 transitions. Word has length 116 [2023-11-19 07:35:15,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:15,858 INFO L495 AbstractCegarLoop]: Abstraction has 3425 states and 4873 transitions. [2023-11-19 07:35:15,858 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) [2023-11-19 07:35:15,858 INFO L276 IsEmpty]: Start isEmpty. Operand 3425 states and 4873 transitions. [2023-11-19 07:35:15,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 07:35:15,871 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:15,871 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] [2023-11-19 07:35:15,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:35:15,872 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:15,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:15,872 INFO L85 PathProgramCache]: Analyzing trace with hash 2025242676, now seen corresponding path program 1 times [2023-11-19 07:35:15,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:15,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137801899] [2023-11-19 07:35:15,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:15,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:16,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:35:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:16,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:35:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:16,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 07:35:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:16,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-19 07:35:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:16,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-19 07:35:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:16,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:35:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:16,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:35:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:16,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-19 07:35:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:16,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:35:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:16,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-19 07:35:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:16,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 07:35:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:16,225 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 07:35:16,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:16,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137801899] [2023-11-19 07:35:16,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137801899] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:16,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:16,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:35:16,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071495147] [2023-11-19 07:35:16,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:16,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:35:16,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:16,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:35:16,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:35:16,228 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) [2023-11-19 07:35:20,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:20,625 INFO L93 Difference]: Finished difference Result 7175 states and 10319 transitions. [2023-11-19 07:35:20,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:35:20,628 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 [2023-11-19 07:35:20,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:20,661 INFO L225 Difference]: With dead ends: 7175 [2023-11-19 07:35:20,661 INFO L226 Difference]: Without dead ends: 3787 [2023-11-19 07:35:20,679 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 [2023-11-19 07:35:20,691 INFO L413 NwaCegarLoop]: 1638 mSDtfsCounter, 882 mSDsluCounter, 2136 mSDsCounter, 0 mSdLazyCounter, 1979 mSolverCounterSat, 365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 3774 SdHoareTripleChecker+Invalid, 2344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 1979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:20,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 3774 Invalid, 2344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [365 Valid, 1979 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-19 07:35:20,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3787 states. [2023-11-19 07:35:20,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3787 to 3427. [2023-11-19 07:35:20,870 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) [2023-11-19 07:35:20,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 3427 states and 4875 transitions. [2023-11-19 07:35:20,889 INFO L78 Accepts]: Start accepts. Automaton has 3427 states and 4875 transitions. Word has length 108 [2023-11-19 07:35:20,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:20,890 INFO L495 AbstractCegarLoop]: Abstraction has 3427 states and 4875 transitions. [2023-11-19 07:35:20,890 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) [2023-11-19 07:35:20,890 INFO L276 IsEmpty]: Start isEmpty. Operand 3427 states and 4875 transitions. [2023-11-19 07:35:20,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 07:35:20,901 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:20,901 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] [2023-11-19 07:35:20,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:35:20,901 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:20,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:20,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1737426442, now seen corresponding path program 1 times [2023-11-19 07:35:20,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:20,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455606105] [2023-11-19 07:35:20,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:20,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:21,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:35:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:21,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:35:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:21,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-19 07:35:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:21,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-11-19 07:35:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:21,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-19 07:35:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:21,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-19 07:35:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:21,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-19 07:35:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:21,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-19 07:35:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:21,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-19 07:35:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-11-19 07:35:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:21,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-19 07:35:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:21,731 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 07:35:21,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:21,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455606105] [2023-11-19 07:35:21,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455606105] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:21,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:21,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:35:21,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682281305] [2023-11-19 07:35:21,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:21,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:35:21,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:21,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:35:21,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:35:21,736 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) [2023-11-19 07:35:27,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:27,015 INFO L93 Difference]: Finished difference Result 7177 states and 10290 transitions. [2023-11-19 07:35:27,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:35:27,016 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 [2023-11-19 07:35:27,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:27,045 INFO L225 Difference]: With dead ends: 7177 [2023-11-19 07:35:27,045 INFO L226 Difference]: Without dead ends: 3779 [2023-11-19 07:35:27,061 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 [2023-11-19 07:35:27,062 INFO L413 NwaCegarLoop]: 1602 mSDtfsCounter, 881 mSDsluCounter, 4953 mSDsCounter, 0 mSdLazyCounter, 3695 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 6555 SdHoareTripleChecker+Invalid, 4064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 3695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:27,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 6555 Invalid, 4064 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [369 Valid, 3695 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-19 07:35:27,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3779 states. [2023-11-19 07:35:27,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3779 to 3423. [2023-11-19 07:35:27,228 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) [2023-11-19 07:35:27,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 3423 states and 4867 transitions. [2023-11-19 07:35:27,252 INFO L78 Accepts]: Start accepts. Automaton has 3423 states and 4867 transitions. Word has length 108 [2023-11-19 07:35:27,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:27,253 INFO L495 AbstractCegarLoop]: Abstraction has 3423 states and 4867 transitions. [2023-11-19 07:35:27,253 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) [2023-11-19 07:35:27,254 INFO L276 IsEmpty]: Start isEmpty. Operand 3423 states and 4867 transitions. [2023-11-19 07:35:27,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 07:35:27,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:27,262 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] [2023-11-19 07:35:27,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:35:27,263 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:27,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:27,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1298002352, now seen corresponding path program 1 times [2023-11-19 07:35:27,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:27,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970604848] [2023-11-19 07:35:27,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:27,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:35:27,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 07:35:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:35:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-19 07:35:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-19 07:35:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-19 07:35:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-19 07:35:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-19 07:35:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-11-19 07:35:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-19 07:35:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-11-19 07:35:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-11-19 07:35:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-19 07:35:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-19 07:35:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-19 07:35:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-19 07:35:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-19 07:35:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 07:35:27,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:27,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970604848] [2023-11-19 07:35:27,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970604848] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:27,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:27,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:35:27,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833887944] [2023-11-19 07:35:27,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:27,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:35:27,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:27,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:35:27,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:35:27,970 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) [2023-11-19 07:35:34,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:34,301 INFO L93 Difference]: Finished difference Result 7741 states and 11291 transitions. [2023-11-19 07:35:34,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:35:34,302 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 [2023-11-19 07:35:34,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:34,337 INFO L225 Difference]: With dead ends: 7741 [2023-11-19 07:35:34,337 INFO L226 Difference]: Without dead ends: 4351 [2023-11-19 07:35:34,353 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 [2023-11-19 07:35:34,355 INFO L413 NwaCegarLoop]: 1443 mSDtfsCounter, 1873 mSDsluCounter, 4085 mSDsCounter, 0 mSdLazyCounter, 3997 mSolverCounterSat, 1001 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2009 SdHoareTripleChecker+Valid, 5528 SdHoareTripleChecker+Invalid, 4998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1001 IncrementalHoareTripleChecker+Valid, 3997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:34,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2009 Valid, 5528 Invalid, 4998 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1001 Valid, 3997 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-11-19 07:35:34,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4351 states. [2023-11-19 07:35:34,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4351 to 3446. [2023-11-19 07:35:34,545 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) [2023-11-19 07:35:34,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 3446 states and 4905 transitions. [2023-11-19 07:35:34,563 INFO L78 Accepts]: Start accepts. Automaton has 3446 states and 4905 transitions. Word has length 152 [2023-11-19 07:35:34,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:34,563 INFO L495 AbstractCegarLoop]: Abstraction has 3446 states and 4905 transitions. [2023-11-19 07:35:34,564 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) [2023-11-19 07:35:34,564 INFO L276 IsEmpty]: Start isEmpty. Operand 3446 states and 4905 transitions. [2023-11-19 07:35:34,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-19 07:35:34,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:34,573 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] [2023-11-19 07:35:34,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:35:34,573 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:34,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:34,574 INFO L85 PathProgramCache]: Analyzing trace with hash -842010619, now seen corresponding path program 1 times [2023-11-19 07:35:34,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:34,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600605995] [2023-11-19 07:35:34,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:34,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:35,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-19 07:35:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:35,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-19 07:35:35,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-19 07:35:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:35,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-19 07:35:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:35,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-19 07:35:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:35,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:35:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:35,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 07:35:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:35,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-19 07:35:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:35,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-19 07:35:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:35,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-19 07:35:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:35,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-19 07:35:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat