/usr/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 WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 02:55:41,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 02:55:41,824 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 02:55:41,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 02:55:41,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 02:55:41,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 02:55:41,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 02:55:41,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 02:55:41,857 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 02:55:41,857 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 02:55:41,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 02:55:41,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 02:55:41,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 02:55:41,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 02:55:41,862 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 02:55:41,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 02:55:41,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 02:55:41,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 02:55:41,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 02:55:41,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 02:55:41,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 02:55:41,865 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 02:55:41,865 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 02:55:41,865 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 02:55:41,866 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 02:55:41,866 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 02:55:41,866 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 02:55:41,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 02:55:41,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 02:55:41,866 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 02:55:41,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 02:55:41,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 02:55:41,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 02:55:41,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 02:55:41,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 02:55:41,867 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 02:55:41,868 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 02:55:41,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 02:55:41,868 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 02:55:41,869 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 02:55:41,869 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 02:55:41,869 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 02:55:42,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 02:55:42,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 02:55:42,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 02:55:42,076 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 02:55:42,077 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 02:55:42,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i [2024-11-06 02:55:43,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 02:55:43,721 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 02:55:43,722 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i [2024-11-06 02:55:43,759 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43680e147/2eca01f07cd64e2fbefca52f7d99a2b3/FLAG9ec58d9f0 [2024-11-06 02:55:43,771 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43680e147/2eca01f07cd64e2fbefca52f7d99a2b3 [2024-11-06 02:55:43,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 02:55:43,774 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 02:55:43,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 02:55:43,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 02:55:43,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 02:55:43,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:55:43" (1/1) ... [2024-11-06 02:55:43,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9ea398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:55:43, skipping insertion in model container [2024-11-06 02:55:43,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:55:43" (1/1) ... [2024-11-06 02:55:43,852 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 02:55:44,489 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i[164250,164263] [2024-11-06 02:55:44,507 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,597 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,643 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,644 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,647 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,657 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,670 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,670 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,671 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,671 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,695 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,696 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,696 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,697 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,700 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,701 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,712 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,720 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,724 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,727 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,733 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,733 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,734 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,744 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,751 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,759 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,772 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,778 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,778 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,779 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,780 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,780 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,784 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,785 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,800 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,801 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,803 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,803 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,874 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:44,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 02:55:44,908 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 02:55:44,943 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 02:55:45,065 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i[164250,164263] [2024-11-06 02:55:45,067 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,076 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,089 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,093 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,094 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,095 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,097 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,097 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,097 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,097 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,100 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,104 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,104 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,104 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,105 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,105 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,107 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,108 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,109 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,111 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,114 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,114 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,115 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,117 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,119 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,120 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,127 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,129 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,129 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,130 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,131 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,132 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,133 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,134 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,137 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,137 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,137 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,137 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,157 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 02:55:45,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 02:55:45,173 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 02:55:45,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5441] [2024-11-06 02:55:45,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5448] [2024-11-06 02:55:45,278 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [5456-5457] [2024-11-06 02:55:45,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [5485] [2024-11-06 02:55:45,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; decl %0": "+m" (v->counter)); [5492] [2024-11-06 02:55:45,285 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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i[164250,164263] [2024-11-06 02:55:45,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/mutilin/launch/work/current--X--drivers--X--defaultlinux-3.12-rc1.tar.xz--X--144_2a--X--cpachecker/linux-3.12-rc1.tar.xz/csd_deg_dscv/6225/dscv_tempdir/dscv/ri/144_2a/drivers/net/can/usb/ems_usb.o.c.prepared"), "i" (546), "i" (12UL)); [6159-6160] [2024-11-06 02:55:45,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 02:55:45,460 INFO L204 MainTranslator]: Completed translation [2024-11-06 02:55:45,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:55:45 WrapperNode [2024-11-06 02:55:45,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 02:55:45,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 02:55:45,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 02:55:45,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 02:55:45,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:55:45" (1/1) ... [2024-11-06 02:55:45,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:55:45" (1/1) ... [2024-11-06 02:55:45,600 INFO L138 Inliner]: procedures = 182, calls = 765, calls flagged for inlining = 78, calls inlined = 78, statements flattened = 2064 [2024-11-06 02:55:45,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 02:55:45,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 02:55:45,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 02:55:45,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 02:55:45,611 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:55:45" (1/1) ... [2024-11-06 02:55:45,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:55:45" (1/1) ... [2024-11-06 02:55:45,640 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:55:45" (1/1) ... [2024-11-06 02:55:45,832 INFO L175 MemorySlicer]: Split 454 memory accesses to 8 slices as follows [20, 2, 9, 44, 20, 9, 342, 8]. 75 percent of accesses are in the largest equivalence class. The 44 initializations are split as follows [0, 2, 0, 0, 0, 0, 34, 8]. The 224 writes are split as follows [11, 0, 5, 44, 0, 0, 164, 0]. [2024-11-06 02:55:45,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:55:45" (1/1) ... [2024-11-06 02:55:45,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:55:45" (1/1) ... [2024-11-06 02:55:45,931 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:55:45" (1/1) ... [2024-11-06 02:55:45,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:55:45" (1/1) ... [2024-11-06 02:55:45,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:55:45" (1/1) ... [2024-11-06 02:55:45,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:55:45" (1/1) ... [2024-11-06 02:55:45,996 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 02:55:45,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 02:55:45,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 02:55:45,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 02:55:45,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:55:45" (1/1) ... [2024-11-06 02:55:46,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 02:55:46,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 02:55:46,031 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) [2024-11-06 02:55:46,034 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 [2024-11-06 02:55:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-06 02:55:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-06 02:55:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-06 02:55:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-06 02:55:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-06 02:55:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-06 02:55:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-06 02:55:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-06 02:55:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-06 02:55:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-06 02:55:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_18 [2024-11-06 02:55:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_18 [2024-11-06 02:55:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2024-11-06 02:55:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2024-11-06 02:55:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2024-11-06 02:55:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2024-11-06 02:55:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-11-06 02:55:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-11-06 02:55:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 02:55:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 02:55:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 02:55:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 02:55:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 02:55:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-06 02:55:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-06 02:55:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-06 02:55:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 02:55:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-06 02:55:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-06 02:55:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-06 02:55:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-06 02:55:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-06 02:55:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-06 02:55:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-06 02:55:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 02:55:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 02:55:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 02:55:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 02:55:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 02:55:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-06 02:55:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-06 02:55:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-06 02:55:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-06 02:55:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-06 02:55:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-06 02:55:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-06 02:55:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_read_bulk_callback [2024-11-06 02:55:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_read_bulk_callback [2024-11-06 02:55:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2024-11-06 02:55:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2024-11-06 02:55:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-06 02:55:46,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-06 02:55:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2024-11-06 02:55:46,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2024-11-06 02:55:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-06 02:55:46,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-06 02:55:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-06 02:55:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-06 02:55:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-06 02:55:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-06 02:55:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-06 02:55:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-06 02:55:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-06 02:55:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-06 02:55:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2024-11-06 02:55:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2024-11-06 02:55:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-06 02:55:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-06 02:55:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2024-11-06 02:55:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2024-11-06 02:55:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-06 02:55:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-06 02:55:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 02:55:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 02:55:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 02:55:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 02:55:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 02:55:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-06 02:55:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-06 02:55:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-06 02:55:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-06 02:55:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-06 02:55:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-06 02:55:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-06 02:55:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-06 02:55:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-06 02:55:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-06 02:55:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-06 02:55:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 02:55:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 02:55:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 02:55:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 02:55:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 02:55:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-06 02:55:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-06 02:55:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-06 02:55:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-06 02:55:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-06 02:55:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-06 02:55:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-06 02:55:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-06 02:55:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-06 02:55:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-06 02:55:46,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-06 02:55:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-06 02:55:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-06 02:55:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 02:55:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 02:55:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-06 02:55:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-06 02:55:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2024-11-06 02:55:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2024-11-06 02:55:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 02:55:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-06 02:55:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-06 02:55:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-06 02:55:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-06 02:55:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2024-11-06 02:55:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2024-11-06 02:55:46,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 02:55:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-06 02:55:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-06 02:55:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-06 02:55:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-06 02:55:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 02:55:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 02:55:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 02:55:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 02:55:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 02:55:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 02:55:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-06 02:55:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-06 02:55:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-06 02:55:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-06 02:55:46,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-06 02:55:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-06 02:55:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-06 02:55:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-06 02:55:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-06 02:55:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-06 02:55:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-06 02:55:46,070 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2024-11-06 02:55:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2024-11-06 02:55:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-06 02:55:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-06 02:55:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-06 02:55:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-06 02:55:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-06 02:55:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-06 02:55:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-06 02:55:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-06 02:55:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-06 02:55:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-06 02:55:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-06 02:55:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-06 02:55:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-06 02:55:46,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-06 02:55:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-06 02:55:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-06 02:55:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-06 02:55:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-06 02:55:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-06 02:55:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-06 02:55:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-11-06 02:55:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-11-06 02:55:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 02:55:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 02:55:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 02:55:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 02:55:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 02:55:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-06 02:55:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-06 02:55:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-06 02:55:46,072 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_disconnect [2024-11-06 02:55:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_disconnect [2024-11-06 02:55:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-06 02:55:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-06 02:55:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-06 02:55:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-06 02:55:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_read_interrupt_callback [2024-11-06 02:55:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_read_interrupt_callback [2024-11-06 02:55:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-11-06 02:55:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-11-06 02:55:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 02:55:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 02:55:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 02:55:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 02:55:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 02:55:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-06 02:55:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-06 02:55:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-06 02:55:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-06 02:55:46,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-06 02:55:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-06 02:55:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-06 02:55:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-06 02:55:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-06 02:55:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-06 02:55:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-06 02:55:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 02:55:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 02:55:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 02:55:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 02:55:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 02:55:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 02:55:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 02:55:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-06 02:55:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-06 02:55:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-11-06 02:55:46,076 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-11-06 02:55:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-06 02:55:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-06 02:55:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-06 02:55:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-06 02:55:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-06 02:55:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-06 02:55:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_rx_err [2024-11-06 02:55:46,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_rx_err [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-06 02:55:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-06 02:55:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-06 02:55:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-06 02:55:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-06 02:55:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-06 02:55:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-06 02:55:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-11-06 02:55:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-11-06 02:55:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-06 02:55:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-06 02:55:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-11-06 02:55:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-11-06 02:55:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-06 02:55:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-06 02:55:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-06 02:55:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-06 02:55:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-06 02:55:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-06 02:55:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2024-11-06 02:55:46,078 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2024-11-06 02:55:46,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-06 02:55:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-06 02:55:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-06 02:55:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-06 02:55:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-06 02:55:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-06 02:55:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-06 02:55:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-06 02:55:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2024-11-06 02:55:46,079 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2024-11-06 02:55:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-06 02:55:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-06 02:55:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 02:55:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 02:55:46,541 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 02:55:46,545 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 02:55:46,620 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-06 02:55:47,254 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-06 02:56:22,451 INFO L? ?]: Removed 951 outVars from TransFormulas that were not future-live. [2024-11-06 02:56:22,452 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 02:56:22,482 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 02:56:22,482 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-06 02:56:22,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:56:22 BoogieIcfgContainer [2024-11-06 02:56:22,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 02:56:22,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 02:56:22,487 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 02:56:22,490 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 02:56:22,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:55:43" (1/3) ... [2024-11-06 02:56:22,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737602dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:56:22, skipping insertion in model container [2024-11-06 02:56:22,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:55:45" (2/3) ... [2024-11-06 02:56:22,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737602dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:56:22, skipping insertion in model container [2024-11-06 02:56:22,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:56:22" (3/3) ... [2024-11-06 02:56:22,492 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--can--usb--ems_usb.ko-entry_point.cil.out.i [2024-11-06 02:56:22,504 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 02:56:22,504 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 02:56:22,582 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 02:56:22,586 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;@43e33b07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 02:56:22,587 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 02:56:22,595 INFO L276 IsEmpty]: Start isEmpty. Operand has 703 states, 494 states have (on average 1.3157894736842106) internal successors, (650), 522 states have internal predecessors, (650), 157 states have call successors, (157), 52 states have call predecessors, (157), 50 states have return successors, (151), 146 states have call predecessors, (151), 151 states have call successors, (151) [2024-11-06 02:56:22,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-06 02:56:22,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 02:56:22,606 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 02:56:22,606 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 02:56:22,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 02:56:22,611 INFO L85 PathProgramCache]: Analyzing trace with hash 157810778, now seen corresponding path program 1 times [2024-11-06 02:56:22,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 02:56:22,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892301001] [2024-11-06 02:56:22,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 02:56:22,624 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:56:22,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 02:56:22,630 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 02:56:22,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-06 02:56:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 02:56:25,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 02:56:25,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 02:56:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-06 02:56:25,876 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 02:56:25,876 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 02:56:25,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892301001] [2024-11-06 02:56:25,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892301001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 02:56:25,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 02:56:25,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-06 02:56:25,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394474691] [2024-11-06 02:56:25,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 02:56:25,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 02:56:25,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 02:56:25,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 02:56:25,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:56:25,910 INFO L87 Difference]: Start difference. First operand has 703 states, 494 states have (on average 1.3157894736842106) internal successors, (650), 522 states have internal predecessors, (650), 157 states have call successors, (157), 52 states have call predecessors, (157), 50 states have return successors, (151), 146 states have call predecessors, (151), 151 states have call successors, (151) Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-06 02:56:29,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-06 02:56:30,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 02:56:30,926 INFO L93 Difference]: Finished difference Result 2065 states and 2881 transitions. [2024-11-06 02:56:30,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 02:56:30,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 28 [2024-11-06 02:56:30,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 02:56:30,956 INFO L225 Difference]: With dead ends: 2065 [2024-11-06 02:56:30,956 INFO L226 Difference]: Without dead ends: 1343 [2024-11-06 02:56:30,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:56:30,964 INFO L432 NwaCegarLoop]: 958 mSDtfsCounter, 904 mSDsluCounter, 931 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 1889 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-06 02:56:30,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [904 Valid, 1889 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2024-11-06 02:56:30,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2024-11-06 02:56:31,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1343. [2024-11-06 02:56:31,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1343 states, 951 states have (on average 1.29863301787592) internal successors, (1235), 987 states have internal predecessors, (1235), 293 states have call successors, (293), 99 states have call predecessors, (293), 98 states have return successors, (288), 278 states have call predecessors, (288), 288 states have call successors, (288) [2024-11-06 02:56:31,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 1816 transitions. [2024-11-06 02:56:31,095 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 1816 transitions. Word has length 28 [2024-11-06 02:56:31,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 02:56:31,096 INFO L471 AbstractCegarLoop]: Abstraction has 1343 states and 1816 transitions. [2024-11-06 02:56:31,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-06 02:56:31,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1816 transitions. [2024-11-06 02:56:31,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-06 02:56:31,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 02:56:31,100 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 02:56:31,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-06 02:56:31,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:56:31,301 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 02:56:31,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 02:56:31,301 INFO L85 PathProgramCache]: Analyzing trace with hash -2017032682, now seen corresponding path program 1 times [2024-11-06 02:56:31,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 02:56:31,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [292640783] [2024-11-06 02:56:31,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 02:56:31,303 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:56:31,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 02:56:31,305 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 02:56:31,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-06 02:56:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 02:56:33,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 02:56:33,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 02:56:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-06 02:56:42,121 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 02:56:42,121 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 02:56:42,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [292640783] [2024-11-06 02:56:42,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [292640783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 02:56:42,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 02:56:42,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 02:56:42,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121195238] [2024-11-06 02:56:42,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 02:56:42,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 02:56:42,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 02:56:42,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 02:56:42,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:56:42,124 INFO L87 Difference]: Start difference. First operand 1343 states and 1816 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-06 02:56:43,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 02:56:43,618 INFO L93 Difference]: Finished difference Result 4014 states and 5533 transitions. [2024-11-06 02:56:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 02:56:43,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2024-11-06 02:56:43,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 02:56:43,634 INFO L225 Difference]: With dead ends: 4014 [2024-11-06 02:56:43,634 INFO L226 Difference]: Without dead ends: 2678 [2024-11-06 02:56:43,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:56:43,640 INFO L432 NwaCegarLoop]: 1077 mSDtfsCounter, 912 mSDsluCounter, 907 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 912 SdHoareTripleChecker+Valid, 1984 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-06 02:56:43,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [912 Valid, 1984 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-06 02:56:43,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2678 states. [2024-11-06 02:56:43,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2678 to 2668. [2024-11-06 02:56:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2668 states, 1892 states have (on average 1.2970401691331923) internal successors, (2454), 1960 states have internal predecessors, (2454), 579 states have call successors, (579), 197 states have call predecessors, (579), 196 states have return successors, (618), 554 states have call predecessors, (618), 574 states have call successors, (618) [2024-11-06 02:56:43,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2668 states to 2668 states and 3651 transitions. [2024-11-06 02:56:43,762 INFO L78 Accepts]: Start accepts. Automaton has 2668 states and 3651 transitions. Word has length 38 [2024-11-06 02:56:43,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 02:56:43,763 INFO L471 AbstractCegarLoop]: Abstraction has 2668 states and 3651 transitions. [2024-11-06 02:56:43,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-06 02:56:43,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 3651 transitions. [2024-11-06 02:56:43,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-06 02:56:43,765 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 02:56:43,765 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 02:56:43,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-06 02:56:43,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:56:43,968 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 02:56:43,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 02:56:43,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1896163168, now seen corresponding path program 1 times [2024-11-06 02:56:43,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 02:56:43,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360337923] [2024-11-06 02:56:43,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 02:56:43,970 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:56:43,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 02:56:43,976 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 02:56:43,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-06 02:56:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 02:56:46,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-06 02:56:46,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 02:56:55,345 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-06 02:56:55,345 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 02:56:55,346 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 02:56:55,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [360337923] [2024-11-06 02:56:55,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [360337923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 02:56:55,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 02:56:55,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 02:56:55,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330262211] [2024-11-06 02:56:55,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 02:56:55,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 02:56:55,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 02:56:55,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 02:56:55,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:56:55,347 INFO L87 Difference]: Start difference. First operand 2668 states and 3651 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-06 02:56:55,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 02:56:55,497 INFO L93 Difference]: Finished difference Result 2670 states and 3652 transitions. [2024-11-06 02:56:55,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 02:56:55,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2024-11-06 02:56:55,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 02:56:55,511 INFO L225 Difference]: With dead ends: 2670 [2024-11-06 02:56:55,511 INFO L226 Difference]: Without dead ends: 2667 [2024-11-06 02:56:55,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:56:55,514 INFO L432 NwaCegarLoop]: 927 mSDtfsCounter, 898 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 898 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-06 02:56:55,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [898 Valid, 927 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-06 02:56:55,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2667 states. [2024-11-06 02:56:55,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2667 to 2667. [2024-11-06 02:56:55,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 1892 states have (on average 1.2965116279069768) internal successors, (2453), 1959 states have internal predecessors, (2453), 578 states have call successors, (578), 197 states have call predecessors, (578), 196 states have return successors, (618), 554 states have call predecessors, (618), 574 states have call successors, (618) [2024-11-06 02:56:55,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 3649 transitions. [2024-11-06 02:56:55,689 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 3649 transitions. Word has length 39 [2024-11-06 02:56:55,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 02:56:55,689 INFO L471 AbstractCegarLoop]: Abstraction has 2667 states and 3649 transitions. [2024-11-06 02:56:55,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-06 02:56:55,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3649 transitions. [2024-11-06 02:56:55,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-06 02:56:55,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 02:56:55,691 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 02:56:55,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-06 02:56:55,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:56:55,893 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 02:56:55,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 02:56:55,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1348812199, now seen corresponding path program 1 times [2024-11-06 02:56:55,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 02:56:55,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [329625331] [2024-11-06 02:56:55,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 02:56:55,896 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:56:55,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 02:56:55,899 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 02:56:55,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-06 02:56:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 02:56:58,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 02:56:58,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 02:57:02,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-06 02:57:02,802 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 02:57:02,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 02:57:02,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [329625331] [2024-11-06 02:57:02,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [329625331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 02:57:02,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 02:57:02,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 02:57:02,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328352389] [2024-11-06 02:57:02,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 02:57:02,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 02:57:02,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 02:57:02,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 02:57:02,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:57:02,804 INFO L87 Difference]: Start difference. First operand 2667 states and 3649 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-06 02:57:02,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 02:57:02,950 INFO L93 Difference]: Finished difference Result 2669 states and 3650 transitions. [2024-11-06 02:57:02,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 02:57:02,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2024-11-06 02:57:02,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 02:57:02,962 INFO L225 Difference]: With dead ends: 2669 [2024-11-06 02:57:02,962 INFO L226 Difference]: Without dead ends: 2666 [2024-11-06 02:57:02,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:57:02,965 INFO L432 NwaCegarLoop]: 925 mSDtfsCounter, 895 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-06 02:57:02,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 925 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-06 02:57:02,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2024-11-06 02:57:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 2666. [2024-11-06 02:57:03,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2666 states, 1892 states have (on average 1.2959830866807611) internal successors, (2452), 1958 states have internal predecessors, (2452), 577 states have call successors, (577), 197 states have call predecessors, (577), 196 states have return successors, (618), 554 states have call predecessors, (618), 574 states have call successors, (618) [2024-11-06 02:57:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 3647 transitions. [2024-11-06 02:57:03,105 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 3647 transitions. Word has length 40 [2024-11-06 02:57:03,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 02:57:03,105 INFO L471 AbstractCegarLoop]: Abstraction has 2666 states and 3647 transitions. [2024-11-06 02:57:03,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-06 02:57:03,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3647 transitions. [2024-11-06 02:57:03,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-06 02:57:03,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 02:57:03,107 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 02:57:03,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-06 02:57:03,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:57:03,307 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 02:57:03,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 02:57:03,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1136171395, now seen corresponding path program 1 times [2024-11-06 02:57:03,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 02:57:03,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [164348641] [2024-11-06 02:57:03,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 02:57:03,309 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:57:03,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 02:57:03,312 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 02:57:03,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-06 02:57:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 02:57:05,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 02:57:05,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 02:57:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-06 02:57:10,574 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 02:57:10,574 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 02:57:10,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [164348641] [2024-11-06 02:57:10,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [164348641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 02:57:10,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 02:57:10,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 02:57:10,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058620157] [2024-11-06 02:57:10,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 02:57:10,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 02:57:10,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 02:57:10,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 02:57:10,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:57:10,576 INFO L87 Difference]: Start difference. First operand 2666 states and 3647 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-06 02:57:10,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 02:57:10,752 INFO L93 Difference]: Finished difference Result 2668 states and 3648 transitions. [2024-11-06 02:57:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 02:57:10,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2024-11-06 02:57:10,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 02:57:10,765 INFO L225 Difference]: With dead ends: 2668 [2024-11-06 02:57:10,765 INFO L226 Difference]: Without dead ends: 2665 [2024-11-06 02:57:10,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:57:10,767 INFO L432 NwaCegarLoop]: 923 mSDtfsCounter, 892 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-06 02:57:10,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 923 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-06 02:57:10,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2665 states. [2024-11-06 02:57:10,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2665 to 2665. [2024-11-06 02:57:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2665 states, 1892 states have (on average 1.2954545454545454) internal successors, (2451), 1957 states have internal predecessors, (2451), 576 states have call successors, (576), 197 states have call predecessors, (576), 196 states have return successors, (618), 554 states have call predecessors, (618), 574 states have call successors, (618) [2024-11-06 02:57:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2665 states and 3645 transitions. [2024-11-06 02:57:10,933 INFO L78 Accepts]: Start accepts. Automaton has 2665 states and 3645 transitions. Word has length 41 [2024-11-06 02:57:10,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 02:57:10,933 INFO L471 AbstractCegarLoop]: Abstraction has 2665 states and 3645 transitions. [2024-11-06 02:57:10,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-06 02:57:10,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 3645 transitions. [2024-11-06 02:57:10,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-06 02:57:10,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 02:57:10,935 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 02:57:10,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-06 02:57:11,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:57:11,136 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 02:57:11,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 02:57:11,137 INFO L85 PathProgramCache]: Analyzing trace with hash 861256348, now seen corresponding path program 1 times [2024-11-06 02:57:11,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 02:57:11,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [994301973] [2024-11-06 02:57:11,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 02:57:11,138 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:57:11,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 02:57:11,141 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 02:57:11,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-06 02:57:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 02:57:13,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-06 02:57:13,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 02:57:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-06 02:57:18,882 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 02:57:18,882 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 02:57:18,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [994301973] [2024-11-06 02:57:18,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [994301973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 02:57:18,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 02:57:18,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 02:57:18,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859379248] [2024-11-06 02:57:18,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 02:57:18,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-06 02:57:18,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 02:57:18,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-06 02:57:18,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:57:18,884 INFO L87 Difference]: Start difference. First operand 2665 states and 3645 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-06 02:57:19,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 02:57:19,015 INFO L93 Difference]: Finished difference Result 2667 states and 3646 transitions. [2024-11-06 02:57:19,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-06 02:57:19,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2024-11-06 02:57:19,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 02:57:19,028 INFO L225 Difference]: With dead ends: 2667 [2024-11-06 02:57:19,028 INFO L226 Difference]: Without dead ends: 2655 [2024-11-06 02:57:19,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-06 02:57:19,030 INFO L432 NwaCegarLoop]: 922 mSDtfsCounter, 889 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 02:57:19,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 02:57:19,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2655 states. [2024-11-06 02:57:19,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2655 to 2655. [2024-11-06 02:57:19,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2655 states, 1883 states have (on average 1.2947424322889007) internal successors, (2438), 1947 states have internal predecessors, (2438), 575 states have call successors, (575), 197 states have call predecessors, (575), 196 states have return successors, (618), 554 states have call predecessors, (618), 574 states have call successors, (618) [2024-11-06 02:57:19,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2655 states and 3631 transitions. [2024-11-06 02:57:19,201 INFO L78 Accepts]: Start accepts. Automaton has 2655 states and 3631 transitions. Word has length 42 [2024-11-06 02:57:19,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 02:57:19,202 INFO L471 AbstractCegarLoop]: Abstraction has 2655 states and 3631 transitions. [2024-11-06 02:57:19,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-06 02:57:19,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2655 states and 3631 transitions. [2024-11-06 02:57:19,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-06 02:57:19,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 02:57:19,206 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 02:57:19,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-06 02:57:19,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:57:19,408 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 02:57:19,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 02:57:19,408 INFO L85 PathProgramCache]: Analyzing trace with hash 761863005, now seen corresponding path program 1 times [2024-11-06 02:57:19,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 02:57:19,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601374839] [2024-11-06 02:57:19,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 02:57:19,410 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 02:57:19,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 02:57:19,413 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 02:57:19,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process