./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 527bcce2 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_ddeca192-face-451d-b37a-b1bf589196ab/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddeca192-face-451d-b37a-b1bf589196ab/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddeca192-face-451d-b37a-b1bf589196ab/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddeca192-face-451d-b37a-b1bf589196ab/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.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_ddeca192-face-451d-b37a-b1bf589196ab/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddeca192-face-451d-b37a-b1bf589196ab/bin/ukojak-verify-i0I2FZA1j2 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:26:40,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:26:40,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddeca192-face-451d-b37a-b1bf589196ab/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:26:40,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:26:40,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:26:40,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:26:40,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:26:40,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:26:40,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:26:40,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:26:40,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:26:40,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:26:40,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:26:40,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:26:40,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:26:40,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:26:40,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:26:40,893 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:26:40,893 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:26:40,894 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:26:40,895 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:26:40,896 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:26:40,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:26:40,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:40,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:26:40,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:26:40,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:26:40,899 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:26:40,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:26:40,900 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:26:40,901 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ddeca192-face-451d-b37a-b1bf589196ab/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddeca192-face-451d-b37a-b1bf589196ab/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70890f3d08defb801ef42dfcccb814d43a0397723b39cd10a6795cae91719bfb [2023-11-21 18:26:41,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:26:41,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:26:41,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:26:41,243 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:26:41,244 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:26:41,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddeca192-face-451d-b37a-b1bf589196ab/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2023-11-21 18:26:44,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:26:45,090 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:26:45,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddeca192-face-451d-b37a-b1bf589196ab/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i [2023-11-21 18:26:45,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddeca192-face-451d-b37a-b1bf589196ab/bin/ukojak-verify-i0I2FZA1j2/data/85f308b4c/6eeb11a6d1ce4be98759bc258a607698/FLAG609f61b67 [2023-11-21 18:26:45,173 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddeca192-face-451d-b37a-b1bf589196ab/bin/ukojak-verify-i0I2FZA1j2/data/85f308b4c/6eeb11a6d1ce4be98759bc258a607698 [2023-11-21 18:26:45,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:26:45,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:26:45,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:45,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:26:45,188 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:26:45,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:45" (1/1) ... [2023-11-21 18:26:45,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79128f5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:45, skipping insertion in model container [2023-11-21 18:26:45,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:45" (1/1) ... [2023-11-21 18:26:45,398 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:47,879 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_ddeca192-face-451d-b37a-b1bf589196ab/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2023-11-21 18:26:47,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:47,991 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:48,164 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] [2023-11-21 18:26:48,166 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] [2023-11-21 18:26:48,167 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] [2023-11-21 18:26:48,167 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] [2023-11-21 18:26:48,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [5186] [2023-11-21 18:26:48,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5188] [2023-11-21 18:26:48,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5190] [2023-11-21 18:26:48,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [5193] [2023-11-21 18:26:48,172 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] [2023-11-21 18:26:48,173 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] [2023-11-21 18:26:48,173 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] [2023-11-21 18:26:48,186 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] [2023-11-21 18:26:48,197 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] [2023-11-21 18:26:48,212 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] [2023-11-21 18:26:48,218 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] [2023-11-21 18:26:48,225 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %0,%1": "=q" (__x), "+m" (*__ptr): "0" (__x): "memory"); [6448] [2023-11-21 18:26:48,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %0,%1": "=r" (__x), "+m" (*__ptr___0): "0" (__x): "memory"); [6454] [2023-11-21 18:26:48,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0,%1": "=r" (__x), "+m" (*__ptr___1): "0" (__x): "memory"); [6460] [2023-11-21 18:26:48,227 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %0,%1": "=r" (__x), "+m" (*__ptr___2): "0" (__x): "memory"); [6467] [2023-11-21 18:26:48,229 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] [2023-11-21 18:26:48,229 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] [2023-11-21 18:26:48,230 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] [2023-11-21 18:26:48,230 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] [2023-11-21 18:26:48,243 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] [2023-11-21 18:26:48,244 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] [2023-11-21 18:26:48,244 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] [2023-11-21 18:26:48,245 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] [2023-11-21 18:26:48,245 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] [2023-11-21 18:26:48,249 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] [2023-11-21 18:26:48,249 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] [2023-11-21 18:26:48,250 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] [2023-11-21 18:26:48,250 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] [2023-11-21 18:26:48,251 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] [2023-11-21 18:26:48,252 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] [2023-11-21 18:26:48,252 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] [2023-11-21 18:26:48,252 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] [2023-11-21 18:26:48,253 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] [2023-11-21 18:26:48,253 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] [2023-11-21 18:26:48,255 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] [2023-11-21 18:26:48,256 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] [2023-11-21 18:26:48,256 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] [2023-11-21 18:26:48,257 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] [2023-11-21 18:26:48,257 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] [2023-11-21 18:26:48,258 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] [2023-11-21 18:26:48,258 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] [2023-11-21 18:26:48,259 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] [2023-11-21 18:26:48,259 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] [2023-11-21 18:26:48,260 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] [2023-11-21 18:26:48,260 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] [2023-11-21 18:26:48,261 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] [2023-11-21 18:26:48,261 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] [2023-11-21 18:26:48,261 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] [2023-11-21 18:26:48,262 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] [2023-11-21 18:26:48,263 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] [2023-11-21 18:26:48,263 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] [2023-11-21 18:26:48,263 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] [2023-11-21 18:26:48,264 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] [2023-11-21 18:26:48,264 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] [2023-11-21 18:26:48,265 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] [2023-11-21 18:26:48,266 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] [2023-11-21 18:26:48,266 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] [2023-11-21 18:26:48,267 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] [2023-11-21 18:26:48,267 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] [2023-11-21 18:26:48,271 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] [2023-11-21 18:26:48,279 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] [2023-11-21 18:26:48,280 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] [2023-11-21 18:26:48,280 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] [2023-11-21 18:26:48,280 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] [2023-11-21 18:26:48,286 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] [2023-11-21 18:26:48,286 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] [2023-11-21 18:26:48,288 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] [2023-11-21 18:26:48,289 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] [2023-11-21 18:26:48,290 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] [2023-11-21 18:26:48,291 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] [2023-11-21 18:26:48,291 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] [2023-11-21 18:26:48,292 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] [2023-11-21 18:26:48,292 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] [2023-11-21 18:26:48,293 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] [2023-11-21 18:26:48,293 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] [2023-11-21 18:26:48,294 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] [2023-11-21 18:26:48,295 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] [2023-11-21 18:26:48,295 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] [2023-11-21 18:26:48,296 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] [2023-11-21 18:26:48,297 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] [2023-11-21 18:26:48,297 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] [2023-11-21 18:26:48,298 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] [2023-11-21 18:26:48,298 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] [2023-11-21 18:26:48,298 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] [2023-11-21 18:26:48,503 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_ddeca192-face-451d-b37a-b1bf589196ab/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-ppp_generic.ko.cil.out.i[288087,288100] [2023-11-21 18:26:48,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:48,849 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:48,849 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:48,849 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:48,857 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:48,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48 WrapperNode [2023-11-21 18:26:48,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:48,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:48,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:48,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:48,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:48,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,255 INFO L138 Inliner]: procedures = 301, calls = 1827, calls flagged for inlining = 147, calls inlined = 117, statements flattened = 4630 [2023-11-21 18:26:49,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:49,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:49,257 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:49,257 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:49,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,429 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:49,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:49,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:49,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:49,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:49,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddeca192-face-451d-b37a-b1bf589196ab/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:49,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddeca192-face-451d-b37a-b1bf589196ab/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:49,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddeca192-face-451d-b37a-b1bf589196ab/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2023-11-21 18:26:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2023-11-21 18:26:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-21 18:26:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2023-11-21 18:26:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2023-11-21 18:26:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2023-11-21 18:26:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2023-11-21 18:26:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2023-11-21 18:26:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-21 18:26:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2023-11-21 18:26:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2023-11-21 18:26:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 18:26:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2023-11-21 18:26:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2023-11-21 18:26:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 18:26:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2023-11-21 18:26:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2023-11-21 18:26:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2023-11-21 18:26:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2023-11-21 18:26:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2023-11-21 18:26:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2023-11-21 18:26:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2023-11-21 18:26:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2023-11-21 18:26:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2023-11-21 18:26:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2023-11-21 18:26:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-21 18:26:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-21 18:26:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2023-11-21 18:26:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2023-11-21 18:26:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-21 18:26:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-21 18:26:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-21 18:26:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-21 18:26:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2023-11-21 18:26:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2023-11-21 18:26:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-21 18:26:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-21 18:26:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2023-11-21 18:26:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2023-11-21 18:26:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2023-11-21 18:26:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2023-11-21 18:26:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-21 18:26:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-21 18:26:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2023-11-21 18:26:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2023-11-21 18:26:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2023-11-21 18:26:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2023-11-21 18:26:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2023-11-21 18:26:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2023-11-21 18:26:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-21 18:26:49,635 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-21 18:26:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 18:26:49,635 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 18:26:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2023-11-21 18:26:49,636 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2023-11-21 18:26:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-21 18:26:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-21 18:26:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-21 18:26:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-21 18:26:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2023-11-21 18:26:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2023-11-21 18:26:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2023-11-21 18:26:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2023-11-21 18:26:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2023-11-21 18:26:49,639 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2023-11-21 18:26:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure __unit_alloc [2023-11-21 18:26:49,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __unit_alloc [2023-11-21 18:26:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:26:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-21 18:26:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-21 18:26:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-21 18:26:49,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2023-11-21 18:26:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2023-11-21 18:26:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:26:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2023-11-21 18:26:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2023-11-21 18:26:49,645 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-21 18:26:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-21 18:26:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2023-11-21 18:26:49,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2023-11-21 18:26:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:26:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:26:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2023-11-21 18:26:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2023-11-21 18:26:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-21 18:26:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-21 18:26:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 18:26:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 18:26:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-21 18:26:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-21 18:26:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-21 18:26:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-21 18:26:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2023-11-21 18:26:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2023-11-21 18:26:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2023-11-21 18:26:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2023-11-21 18:26:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure sk_run_filter [2023-11-21 18:26:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_run_filter [2023-11-21 18:26:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-21 18:26:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-21 18:26:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-21 18:26:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-21 18:26:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-21 18:26:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-21 18:26:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2023-11-21 18:26:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2023-11-21 18:26:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2023-11-21 18:26:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2023-11-21 18:26:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-21 18:26:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-21 18:26:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-21 18:26:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-21 18:26:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-21 18:26:49,658 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-21 18:26:49,658 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-21 18:26:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2023-11-21 18:26:49,659 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2023-11-21 18:26:49,659 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-21 18:26:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-21 18:26:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2023-11-21 18:26:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2023-11-21 18:26:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:26:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2023-11-21 18:26:49,660 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2023-11-21 18:26:49,660 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-21 18:26:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-21 18:26:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2023-11-21 18:26:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2023-11-21 18:26:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:26:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-21 18:26:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-21 18:26:49,661 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2023-11-21 18:26:49,661 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2023-11-21 18:26:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2023-11-21 18:26:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2023-11-21 18:26:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2023-11-21 18:26:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2023-11-21 18:26:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2023-11-21 18:26:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2023-11-21 18:26:49,662 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2023-11-21 18:26:49,662 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2023-11-21 18:26:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2023-11-21 18:26:49,663 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2023-11-21 18:26:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-21 18:26:49,663 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-21 18:26:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2023-11-21 18:26:49,663 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2023-11-21 18:26:49,663 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2023-11-21 18:26:49,664 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2023-11-21 18:26:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:26:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-21 18:26:49,664 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-21 18:26:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2023-11-21 18:26:49,664 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2023-11-21 18:26:49,664 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2023-11-21 18:26:49,664 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2023-11-21 18:26:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2023-11-21 18:26:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2023-11-21 18:26:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2023-11-21 18:26:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2023-11-21 18:26:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:26:49,665 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-21 18:26:49,665 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-21 18:26:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-21 18:26:49,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-21 18:26:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:26:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2023-11-21 18:26:49,666 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2023-11-21 18:26:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:26:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-21 18:26:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2023-11-21 18:26:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2023-11-21 18:26:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 18:26:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 18:26:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-21 18:26:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-21 18:26:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_printk [2023-11-21 18:26:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_printk [2023-11-21 18:26:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2023-11-21 18:26:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2023-11-21 18:26:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-21 18:26:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-21 18:26:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-21 18:26:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-21 18:26:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2023-11-21 18:26:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2023-11-21 18:26:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-21 18:26:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-21 18:26:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2023-11-21 18:26:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2023-11-21 18:26:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-21 18:26:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-21 18:26:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove [2023-11-21 18:26:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove [2023-11-21 18:26:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-21 18:26:49,670 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-21 18:26:49,670 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2023-11-21 18:26:49,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2023-11-21 18:26:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-21 18:26:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2023-11-21 18:26:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2023-11-21 18:26:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2023-11-21 18:26:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2023-11-21 18:26:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2023-11-21 18:26:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2023-11-21 18:26:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2023-11-21 18:26:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:26:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2023-11-21 18:26:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2023-11-21 18:26:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-21 18:26:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-21 18:26:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-21 18:26:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-21 18:26:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-21 18:26:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-21 18:26:50,329 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:50,334 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:51,291 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-21 18:26:51,291 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-21 18:26:52,663 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 18:26:52,668 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 18:26:52,670 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 18:26:53,349 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##292: assume !false; [2023-11-21 18:26:53,349 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##291: assume false; [2023-11-21 18:26:53,350 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume !false; [2023-11-21 18:26:53,350 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##248: assume false; [2023-11-21 18:26:53,350 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##254: assume false; [2023-11-21 18:26:53,350 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##255: assume !false; [2023-11-21 18:26:53,350 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##263: assume !false; [2023-11-21 18:26:53,350 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##262: assume false; [2023-11-21 18:26:53,351 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##243: assume !false; [2023-11-21 18:26:53,351 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume false; [2023-11-21 18:26:53,351 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2023-11-21 18:26:53,351 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2023-11-21 18:26:53,351 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##89: assume !false; [2023-11-21 18:26:53,352 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume false; [2023-11-21 18:26:53,352 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##193: assume !false; [2023-11-21 18:26:53,352 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume false; [2023-11-21 18:26:53,352 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2023-11-21 18:26:53,352 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2023-11-21 18:26:53,352 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##41: assume !false; [2023-11-21 18:26:53,353 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume false; [2023-11-21 18:26:53,353 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2023-11-21 18:26:53,353 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2023-11-21 18:26:53,353 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2023-11-21 18:26:53,353 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume !false; [2023-11-21 18:26:53,354 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##143: assume false; [2023-11-21 18:26:53,354 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume !false; [2023-11-21 18:26:53,354 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##147: assume false; [2023-11-21 18:26:53,354 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2023-11-21 18:26:53,354 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2023-11-21 18:26:53,354 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2023-11-21 18:26:53,355 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2023-11-21 18:26:53,355 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2023-11-21 18:26:53,670 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 18:26:53,678 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 18:26:54,855 INFO L774 $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 [2023-11-21 18:26:54,855 INFO L774 $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; [2023-11-21 18:26:54,855 INFO L774 $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; [2023-11-21 18:26:54,856 INFO L774 $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 [2023-11-21 18:26:54,856 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2023-11-21 18:26:54,856 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2023-11-21 18:26:54,856 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##179: assume !false; [2023-11-21 18:26:54,856 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##178: assume false; [2023-11-21 18:26:54,856 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume !false; [2023-11-21 18:26:54,856 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##42: assume false; [2023-11-21 18:26:54,856 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !false; [2023-11-21 18:26:54,856 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume false; [2023-11-21 18:26:54,966 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:56,861 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:26:56,861 INFO L308 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-21 18:26:56,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:56 BoogieIcfgContainer [2023-11-21 18:26:56,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:26:56,864 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:26:56,864 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:26:56,874 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:26:56,874 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:56" (1/1) ... [2023-11-21 18:26:56,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:26:56,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:56,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1188 states and 1714 transitions. [2023-11-21 18:26:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 1714 transitions. [2023-11-21 18:26:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:26:56,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:56,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:57,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:57,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:57,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1192 states and 1719 transitions. [2023-11-21 18:26:57,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1719 transitions. [2023-11-21 18:26:57,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:26:57,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:57,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:57,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:26:57,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:57,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1193 states and 1721 transitions. [2023-11-21 18:26:57,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1721 transitions. [2023-11-21 18:26:58,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:26:58,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:58,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:26:58,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:58,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1195 states and 1723 transitions. [2023-11-21 18:26:58,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1723 transitions. [2023-11-21 18:26:58,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:26:58,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:58,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:58,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:26:58,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:58,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1191 states and 1716 transitions. [2023-11-21 18:26:58,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 1716 transitions. [2023-11-21 18:26:58,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:26:58,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:58,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:59,348 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:26:59,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:59,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1201 states and 1750 transitions. [2023-11-21 18:26:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1750 transitions. [2023-11-21 18:26:59,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:26:59,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:59,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:59,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:27:00,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:00,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1215 states and 1790 transitions. [2023-11-21 18:27:00,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1790 transitions. [2023-11-21 18:27:00,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:27:00,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:00,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:00,354 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:00,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:00,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 1224 states and 1820 transitions. [2023-11-21 18:27:00,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1820 transitions. [2023-11-21 18:27:00,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:27:00,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:00,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:00,864 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:00,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:00,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1226 states and 1822 transitions. [2023-11-21 18:27:00,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1822 transitions. [2023-11-21 18:27:00,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:27:00,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:00,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:01,104 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:27:01,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1234 states and 1850 transitions. [2023-11-21 18:27:01,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1850 transitions. [2023-11-21 18:27:01,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:27:01,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:01,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:01,564 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:01,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:01,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1238 states and 1857 transitions. [2023-11-21 18:27:01,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1857 transitions. [2023-11-21 18:27:01,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:27:01,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:01,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:01,826 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:27:01,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:01,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1239 states and 1857 transitions. [2023-11-21 18:27:01,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1857 transitions. [2023-11-21 18:27:01,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:27:01,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:01,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:01,990 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:02,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:02,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1241 states and 1860 transitions. [2023-11-21 18:27:02,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1860 transitions. [2023-11-21 18:27:02,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:27:02,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:02,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:02,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:27:02,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:02,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 1246 states and 1866 transitions. [2023-11-21 18:27:02,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1866 transitions. [2023-11-21 18:27:02,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:27:02,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:02,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:02,394 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:02,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1248 states and 1869 transitions. [2023-11-21 18:27:02,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1869 transitions. [2023-11-21 18:27:02,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:27:02,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:02,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:02,559 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:02,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:02,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1249 states and 1872 transitions. [2023-11-21 18:27:02,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1872 transitions. [2023-11-21 18:27:02,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:27:02,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:02,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:02,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:03,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:03,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 1254 states and 1892 transitions. [2023-11-21 18:27:03,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1892 transitions. [2023-11-21 18:27:03,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:27:03,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:03,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:03,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:27:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1257 states and 1897 transitions. [2023-11-21 18:27:03,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1897 transitions. [2023-11-21 18:27:03,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:27:03,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:03,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:03,948 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:03,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1258 states and 1897 transitions. [2023-11-21 18:27:03,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1897 transitions. [2023-11-21 18:27:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:27:03,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:03,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:04,093 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:27:04,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:04,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1260 states and 1899 transitions. [2023-11-21 18:27:04,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1899 transitions. [2023-11-21 18:27:04,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:27:04,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:04,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:04,691 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:27:05,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:05,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1260 states and 1896 transitions. [2023-11-21 18:27:05,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1896 transitions. [2023-11-21 18:27:05,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-21 18:27:05,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:05,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:05,244 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:27:05,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:05,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1262 states and 1898 transitions. [2023-11-21 18:27:05,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1898 transitions. [2023-11-21 18:27:05,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:27:05,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:05,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:05,505 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:27:05,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:05,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1260 states and 1895 transitions. [2023-11-21 18:27:05,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1895 transitions. [2023-11-21 18:27:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:27:05,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:05,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:05,693 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:27:05,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:05,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1262 states and 1898 transitions. [2023-11-21 18:27:05,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1898 transitions. [2023-11-21 18:27:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:27:05,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:05,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:06,029 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:06,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:06,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1270 states and 1914 transitions. [2023-11-21 18:27:06,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1914 transitions. [2023-11-21 18:27:06,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:27:06,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:06,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:06,436 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:06,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 1276 states and 1926 transitions. [2023-11-21 18:27:06,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1926 transitions. [2023-11-21 18:27:06,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:27:06,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:06,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:06,606 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:27:06,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:06,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1278 states and 1928 transitions. [2023-11-21 18:27:06,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1928 transitions. [2023-11-21 18:27:06,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:27:06,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:06,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:06,774 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-21 18:27:07,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:07,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 1281 states and 1943 transitions. [2023-11-21 18:27:07,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1943 transitions. [2023-11-21 18:27:07,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:27:07,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:07,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:07,308 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:27:07,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:07,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 1282 states and 1945 transitions. [2023-11-21 18:27:07,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1945 transitions. [2023-11-21 18:27:07,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:27:07,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:07,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:07,456 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:27:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:07,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2042 states to 1285 states and 1960 transitions. [2023-11-21 18:27:07,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1960 transitions. [2023-11-21 18:27:07,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:27:07,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:07,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:08,040 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:08,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:08,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 1291 states and 1991 transitions. [2023-11-21 18:27:08,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1991 transitions. [2023-11-21 18:27:08,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:27:08,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:08,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:08,892 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:09,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1293 states and 2007 transitions. [2023-11-21 18:27:09,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 2007 transitions. [2023-11-21 18:27:09,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:27:09,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:09,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:09,549 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:10,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:10,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 1297 states and 2015 transitions. [2023-11-21 18:27:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 2015 transitions. [2023-11-21 18:27:10,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:27:10,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:10,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:10,235 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:10,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:10,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 1299 states and 2019 transitions. [2023-11-21 18:27:10,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 2019 transitions. [2023-11-21 18:27:10,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:27:10,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:10,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:10,380 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:10,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:10,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1301 states and 2021 transitions. [2023-11-21 18:27:10,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 2021 transitions. [2023-11-21 18:27:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:27:10,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:10,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:10,702 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:10,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:10,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 1303 states and 2023 transitions. [2023-11-21 18:27:10,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 2023 transitions. [2023-11-21 18:27:10,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:27:10,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:10,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:11,031 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:11,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:11,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 1305 states and 2028 transitions. [2023-11-21 18:27:11,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 2028 transitions. [2023-11-21 18:27:11,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:27:11,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:11,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:11,167 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:11,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1307 states and 2031 transitions. [2023-11-21 18:27:11,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 2031 transitions. [2023-11-21 18:27:11,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:27:11,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:11,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:11,752 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-21 18:27:11,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:11,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1308 states and 2031 transitions. [2023-11-21 18:27:11,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 2031 transitions. [2023-11-21 18:27:11,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:27:11,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:11,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:12,070 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:12,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:12,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 1314 states and 2061 transitions. [2023-11-21 18:27:12,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2061 transitions. [2023-11-21 18:27:12,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:27:12,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:12,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:13,119 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:13,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1317 states and 2067 transitions. [2023-11-21 18:27:13,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 2067 transitions. [2023-11-21 18:27:13,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:27:13,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:13,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:13,565 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:13,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:13,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 1319 states and 2070 transitions. [2023-11-21 18:27:13,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 2070 transitions. [2023-11-21 18:27:13,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:27:13,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:13,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:13,800 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:14,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 1321 states and 2085 transitions. [2023-11-21 18:27:14,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 2085 transitions. [2023-11-21 18:27:14,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:27:14,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:14,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:14,427 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-21 18:27:14,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 1322 states and 2085 transitions. [2023-11-21 18:27:14,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 2085 transitions. [2023-11-21 18:27:14,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:27:14,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:14,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:15,137 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:27:15,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1327 states and 2100 transitions. [2023-11-21 18:27:15,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 2100 transitions. [2023-11-21 18:27:15,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:27:15,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:15,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:15,676 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:15,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:15,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 1337 states and 2120 transitions. [2023-11-21 18:27:15,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 2120 transitions. [2023-11-21 18:27:15,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:27:15,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:15,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:15,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:27:16,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:16,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1337 states and 2119 transitions. [2023-11-21 18:27:16,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 2119 transitions. [2023-11-21 18:27:16,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:27:16,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:16,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:16,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:16,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1338 states and 2119 transitions. [2023-11-21 18:27:16,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 2119 transitions. [2023-11-21 18:27:16,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:27:16,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:16,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:16,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:16,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1339 states and 2119 transitions. [2023-11-21 18:27:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 2119 transitions. [2023-11-21 18:27:16,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:27:16,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:16,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:17,172 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-21 18:27:17,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1340 states and 2119 transitions. [2023-11-21 18:27:17,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 2119 transitions. [2023-11-21 18:27:17,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:27:17,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:17,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:17,577 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:27:18,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:18,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 1344 states and 2136 transitions. [2023-11-21 18:27:18,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 2136 transitions. [2023-11-21 18:27:18,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:27:18,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:18,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:18,349 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:27:18,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:18,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 1350 states and 2148 transitions. [2023-11-21 18:27:18,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 2148 transitions. [2023-11-21 18:27:18,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:27:18,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:18,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:27:21,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:21,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 1371 states and 2217 transitions. [2023-11-21 18:27:21,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 2217 transitions. [2023-11-21 18:27:21,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:27:21,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:21,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:27:22,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:22,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 1372 states and 2219 transitions. [2023-11-21 18:27:22,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 2219 transitions. [2023-11-21 18:27:22,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:27:22,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:22,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-21 18:27:22,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:22,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 1373 states and 2219 transitions. [2023-11-21 18:27:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 2219 transitions. [2023-11-21 18:27:22,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:27:22,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:22,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:27:22,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:22,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 1374 states and 2219 transitions. [2023-11-21 18:27:22,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2219 transitions. [2023-11-21 18:27:23,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:27:23,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:23,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:23,148 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:27:23,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:23,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 1382 states and 2230 transitions. [2023-11-21 18:27:23,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2230 transitions. [2023-11-21 18:27:23,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:27:23,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:23,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:23,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-21 18:27:23,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:23,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 1385 states and 2235 transitions. [2023-11-21 18:27:23,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2235 transitions. [2023-11-21 18:27:23,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:27:23,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:23,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:23,997 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:27:24,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:24,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 1390 states and 2245 transitions. [2023-11-21 18:27:24,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 2245 transitions. [2023-11-21 18:27:24,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-21 18:27:24,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:24,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:24,372 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.