./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 389f662f7096bd36438270dc54f296be4073de8eeb864b893c17044d6fb4cc06 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 15:19:07,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 15:19:07,918 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 15:19:07,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 15:19:07,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 15:19:07,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 15:19:07,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 15:19:07,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 15:19:07,945 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 15:19:07,945 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 15:19:07,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 15:19:07,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 15:19:07,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 15:19:07,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 15:19:07,946 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 15:19:07,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 15:19:07,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 15:19:07,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 15:19:07,947 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 15:19:07,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 15:19:07,948 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 15:19:07,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 15:19:07,949 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 15:19:07,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 15:19:07,949 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 15:19:07,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 15:19:07,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 15:19:07,950 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 15:19:07,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 15:19:07,950 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 15:19:07,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 15:19:07,951 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 15:19:07,951 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 15:19:07,951 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 15:19:07,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 15:19:07,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 15:19:07,952 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 15:19:07,952 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 15:19:07,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 15:19:07,953 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 389f662f7096bd36438270dc54f296be4073de8eeb864b893c17044d6fb4cc06 [2024-11-22 15:19:08,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 15:19:08,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 15:19:08,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 15:19:08,172 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 15:19:08,173 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 15:19:08,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2024-11-22 15:19:09,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 15:19:09,800 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 15:19:09,800 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2024-11-22 15:19:09,834 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2664b97e2/d6af90f7860846409d18d5e5675af95f/FLAG6349d9477 [2024-11-22 15:19:09,848 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2664b97e2/d6af90f7860846409d18d5e5675af95f [2024-11-22 15:19:09,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 15:19:09,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 15:19:09,853 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 15:19:09,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 15:19:09,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 15:19:09,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:19:09" (1/1) ... [2024-11-22 15:19:09,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9126cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:09, skipping insertion in model container [2024-11-22 15:19:09,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:19:09" (1/1) ... [2024-11-22 15:19:09,984 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 15:19:10,661 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i[163507,163520] [2024-11-22 15:19:10,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 15:19:10,914 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 15:19:10,999 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5277] [2024-11-22 15:19:11,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5284] [2024-11-22 15:19:11,002 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5292-5293] [2024-11-22 15:19:11,003 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2, %0; setc %1": "+m" (*addr), "=qm" (c): "Ir" (nr): "memory"); [5301-5302] [2024-11-22 15:19:11,007 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [5349] [2024-11-22 15:19:11,008 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0; sete %1": "+m" (v->counter), "=qm" (c): : "memory"); [5357-5358] [2024-11-22 15:19:11,024 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i[163507,163520] [2024-11-22 15:19:11,039 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"); [5939] [2024-11-22 15:19:11,039 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"); [5942] [2024-11-22 15:19:11,039 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"); [5945] [2024-11-22 15:19:11,039 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"); [5948] [2024-11-22 15:19:11,039 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"); [5951] [2024-11-22 15:19:11,040 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"); [5967-5968] [2024-11-22 15:19:11,040 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"); [5971-5972] [2024-11-22 15:19:11,043 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"); [5975-5976] [2024-11-22 15:19:11,043 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"); [5979-5980] [2024-11-22 15:19:11,043 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"); [5983-5984] [2024-11-22 15:19:11,044 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"); [6007-6008] [2024-11-22 15:19:11,044 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"); [6011-6012] [2024-11-22 15:19:11,044 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"); [6015-6016] [2024-11-22 15:19:11,045 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"); [6019-6020] [2024-11-22 15:19:11,045 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"); [6023-6024] [2024-11-22 15:19:11,049 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6152] [2024-11-22 15:19:11,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6155] [2024-11-22 15:19:11,050 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6158] [2024-11-22 15:19:11,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6161] [2024-11-22 15:19:11,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((int *)argp): "ebx"); [6164] [2024-11-22 15:19:11,053 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((int *)argp), "i" (4UL)); [6176-6177] [2024-11-22 15:19:11,054 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"); [6194-6195] [2024-11-22 15:19:11,055 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"); [6198-6199] [2024-11-22 15:19:11,055 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"); [6202-6203] [2024-11-22 15:19:11,055 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"); [6206-6207] [2024-11-22 15:19:11,055 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"); [6210-6211] [2024-11-22 15:19:11,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___0), "=r" (__val_gu___0): "0" (p), "i" (4UL)); [6223-6224] [2024-11-22 15:19:11,056 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"); [6237-6238] [2024-11-22 15:19:11,056 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"); [6241-6242] [2024-11-22 15:19:11,057 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"); [6245-6246] [2024-11-22 15:19:11,057 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"); [6249-6250] [2024-11-22 15:19:11,057 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"); [6253-6254] [2024-11-22 15:19:11,058 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___1), "=r" (__val_gu___1): "0" (p), "i" (4UL)); [6266-6267] [2024-11-22 15:19:11,059 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)argp): "ebx"); [6304-6305] [2024-11-22 15:19:11,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)argp): "ebx"); [6308-6309] [2024-11-22 15:19:11,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)argp): "ebx"); [6312-6313] [2024-11-22 15:19:11,060 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)argp): "ebx"); [6316-6317] [2024-11-22 15:19:11,061 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((int *)argp): "ebx"); [6320-6321] [2024-11-22 15:19:11,062 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu___2), "=r" (__val_gu___2): "0" ((int *)argp), "i" (4UL)); [6333-6334] [2024-11-22 15:19:11,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 15:19:11,230 INFO L204 MainTranslator]: Completed translation [2024-11-22 15:19:11,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:11 WrapperNode [2024-11-22 15:19:11,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 15:19:11,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 15:19:11,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 15:19:11,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 15:19:11,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:11" (1/1) ... [2024-11-22 15:19:11,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:11" (1/1) ... [2024-11-22 15:19:11,383 INFO L138 Inliner]: procedures = 176, calls = 475, calls flagged for inlining = 92, calls inlined = 85, statements flattened = 1980 [2024-11-22 15:19:11,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 15:19:11,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 15:19:11,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 15:19:11,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 15:19:11,394 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:11" (1/1) ... [2024-11-22 15:19:11,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:11" (1/1) ... [2024-11-22 15:19:11,418 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:11" (1/1) ... [2024-11-22 15:19:11,576 INFO L175 MemorySlicer]: Split 190 memory accesses to 9 slices as follows [2, 7, 20, 120, 1, 24, 13, 2, 1]. 63 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 0, 15, 10, 1, 0, 0, 2, 1]. The 86 writes are split as follows [0, 6, 2, 41, 0, 24, 13, 0, 0]. [2024-11-22 15:19:11,576 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:11" (1/1) ... [2024-11-22 15:19:11,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:11" (1/1) ... [2024-11-22 15:19:11,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:11" (1/1) ... [2024-11-22 15:19:11,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:11" (1/1) ... [2024-11-22 15:19:11,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:11" (1/1) ... [2024-11-22 15:19:11,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:11" (1/1) ... [2024-11-22 15:19:11,672 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 15:19:11,674 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 15:19:11,674 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 15:19:11,674 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 15:19:11,675 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:11" (1/1) ... [2024-11-22 15:19:11,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 15:19:11,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:19:11,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 15:19:11,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 15:19:11,749 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-22 15:19:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-22 15:19:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_15 [2024-11-22 15:19:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_15 [2024-11-22 15:19:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_poll [2024-11-22 15:19:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_poll [2024-11-22 15:19:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 15:19:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 15:19:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 15:19:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 15:19:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 15:19:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 15:19:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-22 15:19:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-22 15:19:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-22 15:19:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2024-11-22 15:19:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2024-11-22 15:19:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-22 15:19:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-22 15:19:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-22 15:19:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-22 15:19:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-22 15:19:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-22 15:19:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-22 15:19:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-22 15:19:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-22 15:19:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 15:19:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 15:19:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 15:19:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 15:19:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 15:19:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 15:19:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-22 15:19:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-22 15:19:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-22 15:19:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-22 15:19:11,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-22 15:19:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 15:19:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 15:19:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 15:19:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 15:19:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 15:19:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 15:19:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-22 15:19:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-22 15:19:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-22 15:19:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2024-11-22 15:19:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2024-11-22 15:19:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2024-11-22 15:19:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2024-11-22 15:19:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-22 15:19:11,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-22 15:19:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-22 15:19:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-22 15:19:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-22 15:19:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-22 15:19:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-22 15:19:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-22 15:19:11,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-22 15:19:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-22 15:19:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-22 15:19:11,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-22 15:19:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-22 15:19:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-22 15:19:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-22 15:19:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-22 15:19:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-22 15:19:11,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-22 15:19:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2024-11-22 15:19:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2024-11-22 15:19:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-22 15:19:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-22 15:19:11,760 INFO L130 BoogieDeclarations]: Found specification of procedure spin_trylock_bh [2024-11-22 15:19:11,760 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_trylock_bh [2024-11-22 15:19:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-22 15:19:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-22 15:19:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2024-11-22 15:19:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2024-11-22 15:19:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-22 15:19:11,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-22 15:19:11,761 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_synctty_ioctl [2024-11-22 15:19:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_synctty_ioctl [2024-11-22 15:19:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-22 15:19:11,762 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-22 15:19:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 15:19:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 15:19:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 15:19:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 15:19:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 15:19:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 15:19:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-22 15:19:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-22 15:19:11,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-22 15:19:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-22 15:19:11,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-22 15:19:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-22 15:19:11,763 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-22 15:19:11,763 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_close [2024-11-22 15:19:11,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_close [2024-11-22 15:19:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-22 15:19:11,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-22 15:19:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-22 15:19:11,764 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-22 15:19:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_print_buffer [2024-11-22 15:19:11,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_print_buffer [2024-11-22 15:19:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 15:19:11,764 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 15:19:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 15:19:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2024-11-22 15:19:11,764 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2024-11-22 15:19:11,764 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-22 15:19:11,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-22 15:19:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 15:19:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 15:19:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 15:19:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 15:19:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 15:19:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 15:19:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 15:19:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-22 15:19:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-22 15:19:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-22 15:19:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 15:19:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-22 15:19:11,765 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-22 15:19:11,765 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2024-11-22 15:19:11,766 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2024-11-22 15:19:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 15:19:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 15:19:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 15:19:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 15:19:11,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 15:19:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-22 15:19:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-22 15:19:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-22 15:19:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-22 15:19:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2024-11-22 15:19:11,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2024-11-22 15:19:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-22 15:19:11,769 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-22 15:19:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure sp_put [2024-11-22 15:19:11,769 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_put [2024-11-22 15:19:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 15:19:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 15:19:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 15:19:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 15:19:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 15:19:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 15:19:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 15:19:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-22 15:19:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-22 15:19:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-22 15:19:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2024-11-22 15:19:11,770 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2024-11-22 15:19:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_hangup [2024-11-22 15:19:11,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_hangup [2024-11-22 15:19:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-22 15:19:11,770 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-22 15:19:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-22 15:19:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-22 15:19:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-22 15:19:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-22 15:19:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure sp_get [2024-11-22 15:19:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sp_get [2024-11-22 15:19:11,771 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-22 15:19:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-22 15:19:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 15:19:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 15:19:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 15:19:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 15:19:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 15:19:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 15:19:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-22 15:19:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-22 15:19:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-22 15:19:11,772 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-22 15:19:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-22 15:19:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-22 15:19:11,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-22 15:19:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-22 15:19:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-22 15:19:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-22 15:19:11,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-22 15:19:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-22 15:19:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-22 15:19:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-22 15:19:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-22 15:19:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-22 15:19:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-22 15:19:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-22 15:19:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 15:19:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 15:19:11,775 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_sync_push [2024-11-22 15:19:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_sync_push [2024-11-22 15:19:12,114 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 15:19:12,116 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 15:19:12,158 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-22 15:19:17,622 INFO L? ?]: Removed 1116 outVars from TransFormulas that were not future-live. [2024-11-22 15:19:17,622 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 15:19:17,644 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 15:19:17,646 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-22 15:19:17,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:19:17 BoogieIcfgContainer [2024-11-22 15:19:17,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 15:19:17,648 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 15:19:17,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 15:19:17,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 15:19:17,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:19:09" (1/3) ... [2024-11-22 15:19:17,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34517689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:19:17, skipping insertion in model container [2024-11-22 15:19:17,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:19:11" (2/3) ... [2024-11-22 15:19:17,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34517689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:19:17, skipping insertion in model container [2024-11-22 15:19:17,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:19:17" (3/3) ... [2024-11-22 15:19:17,654 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--ppp--ppp_synctty.ko-entry_point.cil.out.i [2024-11-22 15:19:17,668 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 15:19:17,668 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 15:19:17,732 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 15:19:17,738 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4e08ff17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 15:19:17,738 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 15:19:17,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 698 states, 532 states have (on average 1.394736842105263) internal successors, (742), 547 states have internal predecessors, (742), 124 states have call successors, (124), 41 states have call predecessors, (124), 40 states have return successors, (120), 118 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-22 15:19:17,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-22 15:19:17,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:17,762 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:19:17,763 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:17,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:17,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1247263065, now seen corresponding path program 1 times [2024-11-22 15:19:17,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:17,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144779260] [2024-11-22 15:19:17,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:17,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:18,410 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 15:19:18,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:18,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144779260] [2024-11-22 15:19:18,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144779260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:18,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:18,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:19:18,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395955329] [2024-11-22 15:19:18,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:18,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:19:18,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:18,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:19:18,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:19:18,447 INFO L87 Difference]: Start difference. First operand has 698 states, 532 states have (on average 1.394736842105263) internal successors, (742), 547 states have internal predecessors, (742), 124 states have call successors, (124), 41 states have call predecessors, (124), 40 states have return successors, (120), 118 states have call predecessors, (120), 120 states have call successors, (120) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-22 15:19:22,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:19:22,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:22,644 INFO L93 Difference]: Finished difference Result 2035 states and 2952 transitions. [2024-11-22 15:19:22,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:19:22,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 78 [2024-11-22 15:19:22,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:22,672 INFO L225 Difference]: With dead ends: 2035 [2024-11-22 15:19:22,673 INFO L226 Difference]: Without dead ends: 1326 [2024-11-22 15:19:22,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:19:22,685 INFO L432 NwaCegarLoop]: 982 mSDtfsCounter, 906 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 1936 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:22,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 1936 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-22 15:19:22,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2024-11-22 15:19:22,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1326. [2024-11-22 15:19:22,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1326 states, 1022 states have (on average 1.37573385518591) internal successors, (1406), 1040 states have internal predecessors, (1406), 225 states have call successors, (225), 79 states have call predecessors, (225), 78 states have return successors, (224), 220 states have call predecessors, (224), 224 states have call successors, (224) [2024-11-22 15:19:22,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1855 transitions. [2024-11-22 15:19:22,809 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1855 transitions. Word has length 78 [2024-11-22 15:19:22,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:22,810 INFO L471 AbstractCegarLoop]: Abstraction has 1326 states and 1855 transitions. [2024-11-22 15:19:22,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-22 15:19:22,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1855 transitions. [2024-11-22 15:19:22,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-22 15:19:22,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:22,816 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:19:22,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 15:19:22,819 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:22,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:22,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1079685925, now seen corresponding path program 1 times [2024-11-22 15:19:22,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:22,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996430129] [2024-11-22 15:19:22,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:22,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:23,304 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 15:19:23,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:23,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996430129] [2024-11-22 15:19:23,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996430129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:23,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:23,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 15:19:23,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976892814] [2024-11-22 15:19:23,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:23,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 15:19:23,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:23,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 15:19:23,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:19:23,308 INFO L87 Difference]: Start difference. First operand 1326 states and 1855 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-22 15:19:23,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:23,493 INFO L93 Difference]: Finished difference Result 3927 states and 5541 transitions. [2024-11-22 15:19:23,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 15:19:23,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 82 [2024-11-22 15:19:23,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:23,510 INFO L225 Difference]: With dead ends: 3927 [2024-11-22 15:19:23,511 INFO L226 Difference]: Without dead ends: 2617 [2024-11-22 15:19:23,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 15:19:23,516 INFO L432 NwaCegarLoop]: 984 mSDtfsCounter, 938 mSDsluCounter, 2890 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 938 SdHoareTripleChecker+Valid, 3874 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:23,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [938 Valid, 3874 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:19:23,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2024-11-22 15:19:23,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 2609. [2024-11-22 15:19:23,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2609 states, 2014 states have (on average 1.3773584905660377) internal successors, (2774), 2050 states have internal predecessors, (2774), 438 states have call successors, (438), 157 states have call predecessors, (438), 156 states have return successors, (475), 429 states have call predecessors, (475), 437 states have call successors, (475) [2024-11-22 15:19:23,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 3687 transitions. [2024-11-22 15:19:23,659 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 3687 transitions. Word has length 82 [2024-11-22 15:19:23,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:23,661 INFO L471 AbstractCegarLoop]: Abstraction has 2609 states and 3687 transitions. [2024-11-22 15:19:23,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-22 15:19:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 3687 transitions. [2024-11-22 15:19:23,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-22 15:19:23,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:23,673 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:19:23,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 15:19:23,673 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:23,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:23,674 INFO L85 PathProgramCache]: Analyzing trace with hash -756578280, now seen corresponding path program 1 times [2024-11-22 15:19:23,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:23,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634035196] [2024-11-22 15:19:23,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:23,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:23,866 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 15:19:23,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:23,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634035196] [2024-11-22 15:19:23,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634035196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:23,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:23,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:19:23,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021626698] [2024-11-22 15:19:23,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:23,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:19:23,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:23,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:19:23,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:19:23,870 INFO L87 Difference]: Start difference. First operand 2609 states and 3687 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 15:19:24,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:24,028 INFO L93 Difference]: Finished difference Result 6679 states and 9402 transitions. [2024-11-22 15:19:24,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:19:24,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 128 [2024-11-22 15:19:24,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:24,049 INFO L225 Difference]: With dead ends: 6679 [2024-11-22 15:19:24,049 INFO L226 Difference]: Without dead ends: 4094 [2024-11-22 15:19:24,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:19:24,061 INFO L432 NwaCegarLoop]: 970 mSDtfsCounter, 561 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 1858 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:24,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 1858 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 15:19:24,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4094 states. [2024-11-22 15:19:24,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4094 to 4082. [2024-11-22 15:19:24,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4082 states, 3174 states have (on average 1.3790170132325141) internal successors, (4377), 3217 states have internal predecessors, (4377), 651 states have call successors, (651), 257 states have call predecessors, (651), 256 states have return successors, (706), 639 states have call predecessors, (706), 650 states have call successors, (706) [2024-11-22 15:19:24,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4082 states to 4082 states and 5734 transitions. [2024-11-22 15:19:24,235 INFO L78 Accepts]: Start accepts. Automaton has 4082 states and 5734 transitions. Word has length 128 [2024-11-22 15:19:24,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:24,237 INFO L471 AbstractCegarLoop]: Abstraction has 4082 states and 5734 transitions. [2024-11-22 15:19:24,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-22 15:19:24,237 INFO L276 IsEmpty]: Start isEmpty. Operand 4082 states and 5734 transitions. [2024-11-22 15:19:24,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-22 15:19:24,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:24,247 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:19:24,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 15:19:24,248 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:24,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:24,248 INFO L85 PathProgramCache]: Analyzing trace with hash 15639102, now seen corresponding path program 1 times [2024-11-22 15:19:24,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:24,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492103802] [2024-11-22 15:19:24,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:24,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:24,479 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-22 15:19:24,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:24,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492103802] [2024-11-22 15:19:24,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492103802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:24,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:24,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:19:24,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708737720] [2024-11-22 15:19:24,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:24,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:19:24,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:24,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:19:24,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:19:24,488 INFO L87 Difference]: Start difference. First operand 4082 states and 5734 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 15:19:24,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:24,688 INFO L93 Difference]: Finished difference Result 9826 states and 13696 transitions. [2024-11-22 15:19:24,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:19:24,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 149 [2024-11-22 15:19:24,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:24,713 INFO L225 Difference]: With dead ends: 9826 [2024-11-22 15:19:24,714 INFO L226 Difference]: Without dead ends: 5768 [2024-11-22 15:19:24,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:19:24,725 INFO L432 NwaCegarLoop]: 1328 mSDtfsCounter, 572 mSDsluCounter, 918 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 2246 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:24,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 2246 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:19:24,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5768 states. [2024-11-22 15:19:24,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5768 to 5760. [2024-11-22 15:19:24,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5760 states, 4456 states have (on average 1.3666965888689409) internal successors, (6090), 4533 states have internal predecessors, (6090), 906 states have call successors, (906), 398 states have call predecessors, (906), 397 states have return successors, (985), 884 states have call predecessors, (985), 905 states have call successors, (985) [2024-11-22 15:19:24,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5760 states to 5760 states and 7981 transitions. [2024-11-22 15:19:24,894 INFO L78 Accepts]: Start accepts. Automaton has 5760 states and 7981 transitions. Word has length 149 [2024-11-22 15:19:24,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:24,895 INFO L471 AbstractCegarLoop]: Abstraction has 5760 states and 7981 transitions. [2024-11-22 15:19:24,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 15:19:24,895 INFO L276 IsEmpty]: Start isEmpty. Operand 5760 states and 7981 transitions. [2024-11-22 15:19:24,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-22 15:19:24,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:24,903 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:19:24,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 15:19:24,904 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:24,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:24,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1420180406, now seen corresponding path program 1 times [2024-11-22 15:19:24,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:24,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500819051] [2024-11-22 15:19:24,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:24,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-22 15:19:25,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:25,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500819051] [2024-11-22 15:19:25,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500819051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:25,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:25,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:19:25,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039586989] [2024-11-22 15:19:25,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:25,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:19:25,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:25,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:19:25,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:19:25,191 INFO L87 Difference]: Start difference. First operand 5760 states and 7981 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-22 15:19:29,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:19:29,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:29,460 INFO L93 Difference]: Finished difference Result 14254 states and 19758 transitions. [2024-11-22 15:19:29,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:19:29,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 151 [2024-11-22 15:19:29,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:29,502 INFO L225 Difference]: With dead ends: 14254 [2024-11-22 15:19:29,502 INFO L226 Difference]: Without dead ends: 8529 [2024-11-22 15:19:29,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:19:29,522 INFO L432 NwaCegarLoop]: 1015 mSDtfsCounter, 757 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 757 SdHoareTripleChecker+Valid, 1874 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:29,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [757 Valid, 1874 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 44 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-22 15:19:29,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8529 states. [2024-11-22 15:19:29,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8529 to 8511. [2024-11-22 15:19:29,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8511 states, 6662 states have (on average 1.3670069048333833) internal successors, (9107), 6762 states have internal predecessors, (9107), 1241 states have call successors, (1241), 608 states have call predecessors, (1241), 607 states have return successors, (1352), 1216 states have call predecessors, (1352), 1240 states have call successors, (1352) [2024-11-22 15:19:29,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8511 states to 8511 states and 11700 transitions. [2024-11-22 15:19:29,879 INFO L78 Accepts]: Start accepts. Automaton has 8511 states and 11700 transitions. Word has length 151 [2024-11-22 15:19:29,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:29,880 INFO L471 AbstractCegarLoop]: Abstraction has 8511 states and 11700 transitions. [2024-11-22 15:19:29,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-22 15:19:29,881 INFO L276 IsEmpty]: Start isEmpty. Operand 8511 states and 11700 transitions. [2024-11-22 15:19:29,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-22 15:19:29,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:29,891 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:19:29,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-22 15:19:29,892 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:29,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:29,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1479340687, now seen corresponding path program 1 times [2024-11-22 15:19:29,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:29,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450111872] [2024-11-22 15:19:29,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:29,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:30,083 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-22 15:19:30,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:30,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450111872] [2024-11-22 15:19:30,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450111872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:30,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:30,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 15:19:30,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239382056] [2024-11-22 15:19:30,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:30,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 15:19:30,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:30,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 15:19:30,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:19:30,085 INFO L87 Difference]: Start difference. First operand 8511 states and 11700 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 15:19:30,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:30,289 INFO L93 Difference]: Finished difference Result 12802 states and 17744 transitions. [2024-11-22 15:19:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 15:19:30,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2024-11-22 15:19:30,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:30,335 INFO L225 Difference]: With dead ends: 12802 [2024-11-22 15:19:30,336 INFO L226 Difference]: Without dead ends: 8531 [2024-11-22 15:19:30,352 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 15:19:30,353 INFO L432 NwaCegarLoop]: 960 mSDtfsCounter, 3 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1912 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:30,353 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1912 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:19:30,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8531 states. [2024-11-22 15:19:30,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8531 to 8531. [2024-11-22 15:19:30,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8531 states, 6682 states have (on average 1.3659084106554924) internal successors, (9127), 6782 states have internal predecessors, (9127), 1241 states have call successors, (1241), 608 states have call predecessors, (1241), 607 states have return successors, (1352), 1216 states have call predecessors, (1352), 1240 states have call successors, (1352) [2024-11-22 15:19:30,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8531 states to 8531 states and 11720 transitions. [2024-11-22 15:19:30,632 INFO L78 Accepts]: Start accepts. Automaton has 8531 states and 11720 transitions. Word has length 156 [2024-11-22 15:19:30,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:30,633 INFO L471 AbstractCegarLoop]: Abstraction has 8531 states and 11720 transitions. [2024-11-22 15:19:30,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-22 15:19:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 8531 states and 11720 transitions. [2024-11-22 15:19:30,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-22 15:19:30,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:30,645 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:19:30,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 15:19:30,645 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:30,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:30,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1803038098, now seen corresponding path program 1 times [2024-11-22 15:19:30,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:30,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060415922] [2024-11-22 15:19:30,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:30,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2024-11-22 15:19:31,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:31,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060415922] [2024-11-22 15:19:31,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060415922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:31,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:31,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-22 15:19:31,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590187916] [2024-11-22 15:19:31,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:31,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 15:19:31,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:31,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 15:19:31,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-22 15:19:31,309 INFO L87 Difference]: Start difference. First operand 8531 states and 11720 transitions. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-22 15:19:35,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:19:39,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:19:43,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:19:47,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:19:50,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:50,134 INFO L93 Difference]: Finished difference Result 18281 states and 25161 transitions. [2024-11-22 15:19:50,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 15:19:50,134 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 158 [2024-11-22 15:19:50,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:50,186 INFO L225 Difference]: With dead ends: 18281 [2024-11-22 15:19:50,187 INFO L226 Difference]: Without dead ends: 9785 [2024-11-22 15:19:50,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-22 15:19:50,218 INFO L432 NwaCegarLoop]: 881 mSDtfsCounter, 1807 mSDsluCounter, 4053 mSDsCounter, 0 mSdLazyCounter, 2542 mSolverCounterSat, 451 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1931 SdHoareTripleChecker+Valid, 4934 SdHoareTripleChecker+Invalid, 2997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 451 IncrementalHoareTripleChecker+Valid, 2542 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:50,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1931 Valid, 4934 Invalid, 2997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [451 Valid, 2542 Invalid, 4 Unknown, 0 Unchecked, 18.4s Time] [2024-11-22 15:19:50,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9785 states. [2024-11-22 15:19:50,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9785 to 9373. [2024-11-22 15:19:50,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9373 states, 7264 states have (on average 1.353386563876652) internal successors, (9831), 7402 states have internal predecessors, (9831), 1387 states have call successors, (1387), 686 states have call predecessors, (1387), 721 states have return successors, (1560), 1368 states have call predecessors, (1560), 1386 states have call successors, (1560) [2024-11-22 15:19:50,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9373 states to 9373 states and 12778 transitions. [2024-11-22 15:19:50,566 INFO L78 Accepts]: Start accepts. Automaton has 9373 states and 12778 transitions. Word has length 158 [2024-11-22 15:19:50,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:50,567 INFO L471 AbstractCegarLoop]: Abstraction has 9373 states and 12778 transitions. [2024-11-22 15:19:50,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-22 15:19:50,567 INFO L276 IsEmpty]: Start isEmpty. Operand 9373 states and 12778 transitions. [2024-11-22 15:19:50,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-22 15:19:50,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:50,583 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:19:50,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 15:19:50,583 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:50,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:50,584 INFO L85 PathProgramCache]: Analyzing trace with hash -827644652, now seen corresponding path program 1 times [2024-11-22 15:19:50,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:50,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897181154] [2024-11-22 15:19:50,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:50,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:51,106 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-22 15:19:51,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:51,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897181154] [2024-11-22 15:19:51,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897181154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 15:19:51,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 15:19:51,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 15:19:51,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562222042] [2024-11-22 15:19:51,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 15:19:51,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 15:19:51,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:51,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 15:19:51,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:19:51,110 INFO L87 Difference]: Start difference. First operand 9373 states and 12778 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 15:19:51,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 15:19:51,329 INFO L93 Difference]: Finished difference Result 18777 states and 25698 transitions. [2024-11-22 15:19:51,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 15:19:51,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 196 [2024-11-22 15:19:51,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 15:19:51,372 INFO L225 Difference]: With dead ends: 18777 [2024-11-22 15:19:51,372 INFO L226 Difference]: Without dead ends: 9439 [2024-11-22 15:19:51,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 15:19:51,400 INFO L432 NwaCegarLoop]: 959 mSDtfsCounter, 0 mSDsluCounter, 2872 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3831 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 15:19:51,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3831 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 15:19:51,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9439 states. [2024-11-22 15:19:51,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9439 to 9437. [2024-11-22 15:19:51,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9437 states, 7312 states have (on average 1.3510667396061269) internal successors, (9879), 7450 states have internal predecessors, (9879), 1387 states have call successors, (1387), 686 states have call predecessors, (1387), 737 states have return successors, (1584), 1384 states have call predecessors, (1584), 1386 states have call successors, (1584) [2024-11-22 15:19:51,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9437 states to 9437 states and 12850 transitions. [2024-11-22 15:19:51,769 INFO L78 Accepts]: Start accepts. Automaton has 9437 states and 12850 transitions. Word has length 196 [2024-11-22 15:19:51,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 15:19:51,770 INFO L471 AbstractCegarLoop]: Abstraction has 9437 states and 12850 transitions. [2024-11-22 15:19:51,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-22 15:19:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand 9437 states and 12850 transitions. [2024-11-22 15:19:51,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-22 15:19:51,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 15:19:51,786 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 12, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 15:19:51,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 15:19:51,786 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 15:19:51,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 15:19:51,787 INFO L85 PathProgramCache]: Analyzing trace with hash 48560237, now seen corresponding path program 1 times [2024-11-22 15:19:51,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 15:19:51,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634264329] [2024-11-22 15:19:51,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:51,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 15:19:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:52,637 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-11-22 15:19:52,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 15:19:52,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634264329] [2024-11-22 15:19:52,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634264329] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 15:19:52,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887210999] [2024-11-22 15:19:52,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 15:19:52,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 15:19:52,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 15:19:52,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 15:19:52,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 15:19:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 15:19:53,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 1626 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 15:19:53,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 15:19:53,624 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 98 proven. 8 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-11-22 15:19:53,626 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 15:19:54,167 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2024-11-22 15:19:54,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887210999] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 15:19:54,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 15:19:54,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 19 [2024-11-22 15:19:54,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831133708] [2024-11-22 15:19:54,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 15:19:54,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-22 15:19:54,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 15:19:54,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-22 15:19:54,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-11-22 15:19:54,170 INFO L87 Difference]: Start difference. First operand 9437 states and 12850 transitions. Second operand has 19 states, 19 states have (on average 11.421052631578947) internal successors, (217), 19 states have internal predecessors, (217), 10 states have call successors, (46), 8 states have call predecessors, (46), 12 states have return successors, (45), 15 states have call predecessors, (45), 10 states have call successors, (45) [2024-11-22 15:19:58,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:20:02,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:20:06,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:20:10,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:20:14,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:20:18,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:20:22,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:20:26,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:20:30,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:20:34,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-22 15:20:38,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []