/root/.sdkman/candidates/java/11.0.12-open/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-tmp.fs.smtinterpol-bv-eval-3dddfdf-m [2024-11-15 13:00:10,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 13:00:10,302 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-15 13:00:10,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 13:00:10,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 13:00:10,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 13:00:10,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 13:00:10,332 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 13:00:10,333 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-15 13:00:10,333 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-15 13:00:10,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 13:00:10,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 13:00:10,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 13:00:10,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 13:00:10,337 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 13:00:10,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 13:00:10,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 13:00:10,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 13:00:10,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 13:00:10,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 13:00:10,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 13:00:10,343 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-15 13:00:10,344 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-15 13:00:10,344 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-15 13:00:10,344 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-15 13:00:10,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 13:00:10,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 13:00:10,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 13:00:10,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 13:00:10,345 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-15 13:00:10,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 13:00:10,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 13:00:10,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 13:00:10,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 13:00:10,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 13:00:10,345 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-15 13:00:10,346 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-15 13:00:10,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 13:00:10,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-15 13:00:10,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-15 13:00:10,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-15 13:00:10,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-15 13:00:10,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 13:00:10,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 13:00:10,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 13:00:10,652 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 13:00:10,652 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 13:00:10,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-11-15 13:00:12,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 13:00:12,454 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 13:00:12,455 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-11-15 13:00:12,489 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a11a76557/aa0b2f6d370f4a298fe107f58a9ec267/FLAG44ff7220f [2024-11-15 13:00:12,613 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a11a76557/aa0b2f6d370f4a298fe107f58a9ec267 [2024-11-15 13:00:12,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 13:00:12,618 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 13:00:12,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 13:00:12,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 13:00:12,627 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 13:00:12,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 01:00:12" (1/1) ... [2024-11-15 13:00:12,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6da16f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:12, skipping insertion in model container [2024-11-15 13:00:12,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 01:00:12" (1/1) ... [2024-11-15 13:00:12,711 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 13:00:13,349 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,568 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,610 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,615 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,621 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,630 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,652 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,653 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,653 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,654 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,685 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,685 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,686 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,687 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,688 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,689 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,693 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,693 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,708 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,716 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,716 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,718 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,725 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,729 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,729 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,731 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,736 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,744 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,750 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,770 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,773 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,774 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,775 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,779 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,780 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,785 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,787 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,817 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-11-15 13:00:13,831 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,832 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,859 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:13,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 13:00:13,905 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-15 13:00:13,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 13:00:14,028 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,040 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,057 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,058 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,062 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,064 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,065 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,065 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,066 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,068 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,069 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,070 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,070 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,071 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,071 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,073 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,073 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,075 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,077 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,077 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,078 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,082 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,085 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,086 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,087 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,088 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,092 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,094 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,097 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,100 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,101 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,102 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,104 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,104 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,107 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,108 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,113 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-11-15 13:00:14,119 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,120 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,124 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 13:00:14,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 13:00:14,184 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 13:00:14,261 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4831-4837] [2024-11-15 13:00:14,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4844-4850] [2024-11-15 13:00:14,263 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "btr %2,%1\n\t" "sbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4857-4864] [2024-11-15 13:00:14,264 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "incl %0": "+m" (v->counter)); [4894-4900] [2024-11-15 13:00:14,265 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "decl %0": "+m" (v->counter)); [4907-4913] [2024-11-15 13:00:14,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/work/current--X--drivers/net/can/usb/ems_usb.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/68_1/drivers/net/can/usb/ems_usb.c.common.c"), "i" (510), "i" (sizeof(struct bug_entry ))); [5717-5723] [2024-11-15 13:00:14,364 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-11-15 13:00:14,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 13:00:14,566 INFO L204 MainTranslator]: Completed translation [2024-11-15 13:00:14,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:14 WrapperNode [2024-11-15 13:00:14,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 13:00:14,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 13:00:14,570 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 13:00:14,570 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 13:00:14,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:14" (1/1) ... [2024-11-15 13:00:14,630 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:14" (1/1) ... [2024-11-15 13:00:14,709 INFO L138 Inliner]: procedures = 144, calls = 778, calls flagged for inlining = 54, calls inlined = 44, statements flattened = 1577 [2024-11-15 13:00:14,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 13:00:14,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 13:00:14,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 13:00:14,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 13:00:14,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:14" (1/1) ... [2024-11-15 13:00:14,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:14" (1/1) ... [2024-11-15 13:00:14,738 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:14" (1/1) ... [2024-11-15 13:00:14,897 INFO L175 MemorySlicer]: Split 342 memory accesses to 8 slices as follows [2, 8, 261, 8, 8, 10, 42, 3]. 76 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [2, 8, 8, 8, 8, 0, 0, 0]. The 214 writes are split as follows [0, 0, 172, 0, 0, 0, 42, 0]. [2024-11-15 13:00:14,897 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:14" (1/1) ... [2024-11-15 13:00:14,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:14" (1/1) ... [2024-11-15 13:00:14,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:14" (1/1) ... [2024-11-15 13:00:14,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:14" (1/1) ... [2024-11-15 13:00:14,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:14" (1/1) ... [2024-11-15 13:00:15,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:14" (1/1) ... [2024-11-15 13:00:15,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 13:00:15,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 13:00:15,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 13:00:15,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 13:00:15,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:14" (1/1) ... [2024-11-15 13:00:15,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 13:00:15,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:00:15,069 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) [2024-11-15 13:00:15,071 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 [2024-11-15 13:00:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-15 13:00:15,115 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-15 13:00:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-15 13:00:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-15 13:00:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-15 13:00:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-15 13:00:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-15 13:00:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-15 13:00:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-15 13:00:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-15 13:00:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2024-11-15 13:00:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2024-11-15 13:00:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-15 13:00:15,116 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-15 13:00:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-15 13:00:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-15 13:00:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-15 13:00:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-15 13:00:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-15 13:00:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-15 13:00:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-15 13:00:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-15 13:00:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-15 13:00:15,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-15 13:00:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-15 13:00:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-15 13:00:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-15 13:00:15,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-15 13:00:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-15 13:00:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-15 13:00:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-15 13:00:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-15 13:00:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-15 13:00:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-15 13:00:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-15 13:00:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-15 13:00:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-15 13:00:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-15 13:00:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-15 13:00:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-15 13:00:15,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-15 13:00:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-15 13:00:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-15 13:00:15,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-15 13:00:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-15 13:00:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-15 13:00:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-15 13:00:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-15 13:00:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2024-11-15 13:00:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2024-11-15 13:00:15,121 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-15 13:00:15,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-15 13:00:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-15 13:00:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-15 13:00:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2024-11-15 13:00:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2024-11-15 13:00:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2024-11-15 13:00:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2024-11-15 13:00:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-15 13:00:15,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-15 13:00:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2024-11-15 13:00:15,123 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2024-11-15 13:00:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-15 13:00:15,124 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-15 13:00:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-11-15 13:00:15,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-11-15 13:00:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-15 13:00:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-15 13:00:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-15 13:00:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-15 13:00:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-15 13:00:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-15 13:00:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-15 13:00:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-15 13:00:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-15 13:00:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-15 13:00:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-15 13:00:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-15 13:00:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-15 13:00:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-15 13:00:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-15 13:00:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-15 13:00:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-15 13:00:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-15 13:00:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-15 13:00:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-15 13:00:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-15 13:00:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-15 13:00:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-15 13:00:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-15 13:00:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-15 13:00:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-15 13:00:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-15 13:00:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-15 13:00:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-15 13:00:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-15 13:00:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-15 13:00:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-15 13:00:15,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-15 13:00:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-15 13:00:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-15 13:00:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-15 13:00:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2024-11-15 13:00:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2024-11-15 13:00:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-15 13:00:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2024-11-15 13:00:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2024-11-15 13:00:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 13:00:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-15 13:00:15,128 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-15 13:00:15,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-15 13:00:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-15 13:00:15,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-15 13:00:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-15 13:00:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-15 13:00:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-15 13:00:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-15 13:00:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-15 13:00:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-15 13:00:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-15 13:00:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-15 13:00:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-15 13:00:15,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-15 13:00:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-15 13:00:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-15 13:00:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-15 13:00:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-15 13:00:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2024-11-15 13:00:15,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2024-11-15 13:00:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-15 13:00:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-15 13:00:15,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-15 13:00:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-15 13:00:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-15 13:00:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-15 13:00:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-15 13:00:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-15 13:00:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-15 13:00:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-15 13:00:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-15 13:00:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-15 13:00:15,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-15 13:00:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-15 13:00:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-15 13:00:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-15 13:00:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-15 13:00:15,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-15 13:00:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-11-15 13:00:15,133 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-11-15 13:00:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-15 13:00:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-15 13:00:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-15 13:00:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-15 13:00:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-15 13:00:15,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-15 13:00:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-15 13:00:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-15 13:00:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-15 13:00:15,134 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-15 13:00:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-15 13:00:15,134 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-15 13:00:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-11-15 13:00:15,134 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-11-15 13:00:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-15 13:00:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-15 13:00:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-15 13:00:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-15 13:00:15,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-15 13:00:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-15 13:00:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-15 13:00:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-15 13:00:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-15 13:00:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-15 13:00:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-15 13:00:15,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-15 13:00:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-15 13:00:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-15 13:00:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-15 13:00:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-15 13:00:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-15 13:00:15,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-15 13:00:15,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-15 13:00:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-15 13:00:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-15 13:00:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-15 13:00:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-15 13:00:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-15 13:00:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-15 13:00:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-15 13:00:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-15 13:00:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-15 13:00:15,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-15 13:00:15,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-15 13:00:15,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-15 13:00:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-15 13:00:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-15 13:00:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-15 13:00:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-15 13:00:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-15 13:00:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-15 13:00:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-15 13:00:15,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-15 13:00:15,140 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-15 13:00:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-15 13:00:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-11-15 13:00:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-11-15 13:00:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-15 13:00:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-15 13:00:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-11-15 13:00:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-11-15 13:00:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-15 13:00:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-15 13:00:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-15 13:00:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-15 13:00:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-11-15 13:00:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-11-15 13:00:15,141 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2024-11-15 13:00:15,141 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2024-11-15 13:00:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-15 13:00:15,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-15 13:00:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-15 13:00:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-15 13:00:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-15 13:00:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-15 13:00:15,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-15 13:00:15,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-15 13:00:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-15 13:00:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-15 13:00:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2024-11-15 13:00:15,146 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2024-11-15 13:00:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-15 13:00:15,146 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-15 13:00:15,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 13:00:15,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 13:00:15,534 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 13:00:15,537 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 13:00:17,891 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-11-15 13:00:23,120 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-15 13:00:46,957 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2024-11-15 13:00:46,957 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2024-11-15 13:00:47,101 INFO L? ?]: Removed 599 outVars from TransFormulas that were not future-live. [2024-11-15 13:00:47,102 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 13:00:47,127 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 13:00:47,127 INFO L316 CfgBuilder]: Removed 13 assume(true) statements. [2024-11-15 13:00:47,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 01:00:47 BoogieIcfgContainer [2024-11-15 13:00:47,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 13:00:47,132 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 13:00:47,133 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 13:00:47,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 13:00:47,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 01:00:12" (1/3) ... [2024-11-15 13:00:47,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55bb0789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 01:00:47, skipping insertion in model container [2024-11-15 13:00:47,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:00:14" (2/3) ... [2024-11-15 13:00:47,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55bb0789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 01:00:47, skipping insertion in model container [2024-11-15 13:00:47,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 01:00:47" (3/3) ... [2024-11-15 13:00:47,137 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-11-15 13:00:47,151 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 13:00:47,151 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-15 13:00:47,220 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-15 13:00:47,226 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;@47c17f4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 13:00:47,226 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 13:00:47,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 482 states, 331 states have (on average 1.3232628398791542) internal successors, (438), 343 states have internal predecessors, (438), 112 states have call successors, (112), 38 states have call predecessors, (112), 37 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-15 13:00:47,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-15 13:00:47,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:00:47,240 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 13:00:47,241 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:00:47,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:00:47,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1986823710, now seen corresponding path program 1 times [2024-11-15 13:00:47,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:00:47,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269282420] [2024-11-15 13:00:47,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:00:47,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:00:50,769 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:00:50,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1361282153] [2024-11-15 13:00:50,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:00:50,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:00:50,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:00:50,771 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) [2024-11-15 13:00:50,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-15 13:00:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:00:55,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 13:00:55,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:00:56,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:00:56,225 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:00:56,225 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:00:56,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269282420] [2024-11-15 13:00:56,225 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:00:56,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361282153] [2024-11-15 13:00:56,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361282153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:00:56,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:00:56,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 13:00:56,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673878040] [2024-11-15 13:00:56,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:00:56,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 13:00:56,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:00:56,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 13:00:56,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:00:56,254 INFO L87 Difference]: Start difference. First operand has 482 states, 331 states have (on average 1.3232628398791542) internal successors, (438), 343 states have internal predecessors, (438), 112 states have call successors, (112), 38 states have call predecessors, (112), 37 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-15 13:00:56,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:00:56,624 INFO L93 Difference]: Finished difference Result 1398 states and 1963 transitions. [2024-11-15 13:00:56,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 13:00:56,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-15 13:00:56,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:00:56,646 INFO L225 Difference]: With dead ends: 1398 [2024-11-15 13:00:56,646 INFO L226 Difference]: Without dead ends: 922 [2024-11-15 13:00:56,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:00:56,658 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 603 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-15 13:00:56,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1288 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-15 13:00:56,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-11-15 13:00:56,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 918. [2024-11-15 13:00:56,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 633 states have (on average 1.2369668246445498) internal successors, (783), 645 states have internal predecessors, (783), 213 states have call successors, (213), 72 states have call predecessors, (213), 71 states have return successors, (212), 205 states have call predecessors, (212), 209 states have call successors, (212) [2024-11-15 13:00:56,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1208 transitions. [2024-11-15 13:00:56,789 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1208 transitions. Word has length 21 [2024-11-15 13:00:56,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:00:56,791 INFO L471 AbstractCegarLoop]: Abstraction has 918 states and 1208 transitions. [2024-11-15 13:00:56,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-15 13:00:56,792 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1208 transitions. [2024-11-15 13:00:56,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-15 13:00:56,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:00:56,793 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 13:00:56,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-15 13:00:56,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-15 13:00:56,995 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:00:56,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:00:56,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1461749880, now seen corresponding path program 1 times [2024-11-15 13:00:56,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:00:56,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336340579] [2024-11-15 13:00:56,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:00:56,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:01:00,056 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:01:00,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [175147530] [2024-11-15 13:01:00,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:01:00,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:01:00,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:01:00,059 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 13:01:00,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-15 13:01:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:01:03,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 13:01:03,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:01:05,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:01:05,094 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:01:05,094 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:01:05,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336340579] [2024-11-15 13:01:05,094 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:01:05,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175147530] [2024-11-15 13:01:05,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175147530] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:01:05,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:01:05,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 13:01:05,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074216140] [2024-11-15 13:01:05,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:01:05,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 13:01:05,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:01:05,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 13:01:05,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:01:05,096 INFO L87 Difference]: Start difference. First operand 918 states and 1208 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-15 13:01:05,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:01:05,394 INFO L93 Difference]: Finished difference Result 2719 states and 3591 transitions. [2024-11-15 13:01:05,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 13:01:05,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-15 13:01:05,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:01:05,406 INFO L225 Difference]: With dead ends: 2719 [2024-11-15 13:01:05,406 INFO L226 Difference]: Without dead ends: 1809 [2024-11-15 13:01:05,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:01:05,410 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 593 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-15 13:01:05,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 1225 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-15 13:01:05,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2024-11-15 13:01:05,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1802. [2024-11-15 13:01:05,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1802 states, 1243 states have (on average 1.2333065164923571) internal successors, (1533), 1262 states have internal predecessors, (1533), 418 states have call successors, (418), 141 states have call predecessors, (418), 140 states have return successors, (424), 406 states have call predecessors, (424), 414 states have call successors, (424) [2024-11-15 13:01:05,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2375 transitions. [2024-11-15 13:01:05,490 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2375 transitions. Word has length 22 [2024-11-15 13:01:05,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:01:05,490 INFO L471 AbstractCegarLoop]: Abstraction has 1802 states and 2375 transitions. [2024-11-15 13:01:05,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-15 13:01:05,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2375 transitions. [2024-11-15 13:01:05,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-15 13:01:05,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:01:05,496 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-15 13:01:05,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-15 13:01:05,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-15 13:01:05,696 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:01:05,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:01:05,697 INFO L85 PathProgramCache]: Analyzing trace with hash -440434169, now seen corresponding path program 1 times [2024-11-15 13:01:05,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:01:05,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864321218] [2024-11-15 13:01:05,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:01:05,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:01:08,728 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:01:08,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [789853135] [2024-11-15 13:01:08,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:01:08,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:01:08,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:01:08,730 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 13:01:08,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-15 13:01:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:01:12,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 1372 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-15 13:01:12,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:01:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-15 13:01:13,091 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:01:13,091 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:01:13,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864321218] [2024-11-15 13:01:13,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:01:13,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789853135] [2024-11-15 13:01:13,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789853135] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:01:13,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:01:13,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-15 13:01:13,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959666247] [2024-11-15 13:01:13,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:01:13,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-15 13:01:13,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:01:13,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-15 13:01:13,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:01:13,094 INFO L87 Difference]: Start difference. First operand 1802 states and 2375 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-15 13:01:13,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:01:13,584 INFO L93 Difference]: Finished difference Result 4400 states and 6012 transitions. [2024-11-15 13:01:13,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-15 13:01:13,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2024-11-15 13:01:13,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:01:13,601 INFO L225 Difference]: With dead ends: 4400 [2024-11-15 13:01:13,601 INFO L226 Difference]: Without dead ends: 2613 [2024-11-15 13:01:13,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-15 13:01:13,610 INFO L432 NwaCegarLoop]: 640 mSDtfsCounter, 223 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-15 13:01:13,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 1189 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-15 13:01:13,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2613 states. [2024-11-15 13:01:13,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2613 to 2601. [2024-11-15 13:01:13,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2601 states, 1790 states have (on average 1.2698324022346368) internal successors, (2273), 1825 states have internal predecessors, (2273), 670 states have call successors, (670), 141 states have call predecessors, (670), 140 states have return successors, (684), 650 states have call predecessors, (684), 666 states have call successors, (684) [2024-11-15 13:01:13,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 2601 states and 3627 transitions. [2024-11-15 13:01:13,747 INFO L78 Accepts]: Start accepts. Automaton has 2601 states and 3627 transitions. Word has length 76 [2024-11-15 13:01:13,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:01:13,747 INFO L471 AbstractCegarLoop]: Abstraction has 2601 states and 3627 transitions. [2024-11-15 13:01:13,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-15 13:01:13,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 3627 transitions. [2024-11-15 13:01:13,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-15 13:01:13,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:01:13,753 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-15 13:01:13,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-15 13:01:13,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:01:13,954 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:01:13,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:01:13,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1281989802, now seen corresponding path program 1 times [2024-11-15 13:01:13,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:01:13,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341740821] [2024-11-15 13:01:13,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:01:13,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:01:17,034 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:01:17,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1715064505] [2024-11-15 13:01:17,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:01:17,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:01:17,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:01:17,036 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 13:01:17,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-15 13:01:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:01:20,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 1384 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-15 13:01:20,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:01:21,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:01:21,404 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:01:21,404 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:01:21,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341740821] [2024-11-15 13:01:21,404 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:01:21,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715064505] [2024-11-15 13:01:21,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715064505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:01:21,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:01:21,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-15 13:01:21,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455290600] [2024-11-15 13:01:21,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:01:21,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-15 13:01:21,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:01:21,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-15 13:01:21,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-15 13:01:21,406 INFO L87 Difference]: Start difference. First operand 2601 states and 3627 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-15 13:01:21,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:01:21,907 INFO L93 Difference]: Finished difference Result 5202 states and 7259 transitions. [2024-11-15 13:01:21,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-15 13:01:21,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2024-11-15 13:01:21,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:01:21,921 INFO L225 Difference]: With dead ends: 5202 [2024-11-15 13:01:21,921 INFO L226 Difference]: Without dead ends: 2617 [2024-11-15 13:01:21,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-15 13:01:21,931 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 0 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1834 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-15 13:01:21,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1834 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-15 13:01:21,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2617 states. [2024-11-15 13:01:22,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2617 to 2617. [2024-11-15 13:01:22,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2617 states, 1806 states have (on average 1.2674418604651163) internal successors, (2289), 1841 states have internal predecessors, (2289), 670 states have call successors, (670), 141 states have call predecessors, (670), 140 states have return successors, (684), 650 states have call predecessors, (684), 666 states have call successors, (684) [2024-11-15 13:01:22,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 3643 transitions. [2024-11-15 13:01:22,042 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 3643 transitions. Word has length 78 [2024-11-15 13:01:22,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:01:22,042 INFO L471 AbstractCegarLoop]: Abstraction has 2617 states and 3643 transitions. [2024-11-15 13:01:22,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-15 13:01:22,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 3643 transitions. [2024-11-15 13:01:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-15 13:01:22,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:01:22,046 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-15 13:01:22,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-15 13:01:22,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:01:22,247 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:01:22,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:01:22,248 INFO L85 PathProgramCache]: Analyzing trace with hash -21628062, now seen corresponding path program 1 times [2024-11-15 13:01:22,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:01:22,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367739244] [2024-11-15 13:01:22,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:01:22,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:01:25,357 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:01:25,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1673415240] [2024-11-15 13:01:25,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:01:25,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:01:25,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:01:25,362 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 13:01:25,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-15 13:01:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:01:29,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 1386 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-15 13:01:29,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:01:31,758 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:01:31,758 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:01:31,758 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:01:31,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367739244] [2024-11-15 13:01:31,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:01:31,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673415240] [2024-11-15 13:01:31,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673415240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:01:31,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:01:31,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-15 13:01:31,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728440774] [2024-11-15 13:01:31,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:01:31,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-15 13:01:31,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:01:31,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-15 13:01:31,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-15 13:01:31,759 INFO L87 Difference]: Start difference. First operand 2617 states and 3643 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-15 13:01:32,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 13:01:32,494 INFO L93 Difference]: Finished difference Result 3955 states and 5532 transitions. [2024-11-15 13:01:32,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 13:01:32,495 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 79 [2024-11-15 13:01:32,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 13:01:32,511 INFO L225 Difference]: With dead ends: 3955 [2024-11-15 13:01:32,511 INFO L226 Difference]: Without dead ends: 2645 [2024-11-15 13:01:32,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-15 13:01:32,518 INFO L432 NwaCegarLoop]: 614 mSDtfsCounter, 0 mSDsluCounter, 3066 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3680 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-15 13:01:32,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3680 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-15 13:01:32,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2024-11-15 13:01:32,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2645. [2024-11-15 13:01:32,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2645 states, 1826 states have (on average 1.264512595837897) internal successors, (2309), 1861 states have internal predecessors, (2309), 670 states have call successors, (670), 141 states have call predecessors, (670), 148 states have return successors, (708), 658 states have call predecessors, (708), 666 states have call successors, (708) [2024-11-15 13:01:32,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3687 transitions. [2024-11-15 13:01:32,622 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3687 transitions. Word has length 79 [2024-11-15 13:01:32,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 13:01:32,623 INFO L471 AbstractCegarLoop]: Abstraction has 2645 states and 3687 transitions. [2024-11-15 13:01:32,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-15 13:01:32,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3687 transitions. [2024-11-15 13:01:32,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-15 13:01:32,627 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 13:01:32,627 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-15 13:01:32,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-15 13:01:32,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:01:32,828 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 13:01:32,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 13:01:32,828 INFO L85 PathProgramCache]: Analyzing trace with hash 308137699, now seen corresponding path program 1 times [2024-11-15 13:01:32,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 13:01:32,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126920787] [2024-11-15 13:01:32,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:01:32,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 13:01:35,752 ERROR L246 FreeRefinementEngine]: Caught known exception: Const is only supported for infinite index sort [2024-11-15 13:01:35,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1960504944] [2024-11-15 13:01:35,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 13:01:35,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 13:01:35,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 13:01:35,754 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 13:01:35,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-15 13:01:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 13:01:39,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-15 13:01:39,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 13:01:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 13:01:42,598 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 13:01:42,598 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 13:01:42,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126920787] [2024-11-15 13:01:42,598 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 13:01:42,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960504944] [2024-11-15 13:01:42,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960504944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 13:01:42,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 13:01:42,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-15 13:01:42,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151035966] [2024-11-15 13:01:42,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 13:01:42,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-15 13:01:42,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 13:01:42,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-15 13:01:42,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-15 13:01:42,600 INFO L87 Difference]: Start difference. First operand 2645 states and 3687 transitions. Second operand has 10 states, 10 states have (on average 6.0) internal successors, (60), 7 states have internal predecessors, (60), 2 states have call successors, (10), 2 states have call predecessors, (10), 5 states have return successors, (9), 5 states have call predecessors, (9), 2 states have call successors, (9)