/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -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-b75d321-m [2024-11-04 12:39:41,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 12:39:41,425 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 12:39:41,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 12:39:41,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 12:39:41,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 12:39:41,462 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 12:39:41,463 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 12:39:41,464 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 12:39:41,466 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 12:39:41,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 12:39:41,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 12:39:41,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 12:39:41,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 12:39:41,467 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 12:39:41,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 12:39:41,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 12:39:41,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 12:39:41,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 12:39:41,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 12:39:41,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 12:39:41,473 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 12:39:41,473 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 12:39:41,474 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 12:39:41,474 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 12:39:41,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 12:39:41,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 12:39:41,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 12:39:41,475 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 12:39:41,475 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 12:39:41,475 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 12:39:41,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 12:39:41,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 12:39:41,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 12:39:41,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 12:39:41,477 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 12:39:41,478 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 12:39:41,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 12:39:41,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 12:39:41,478 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 12:39:41,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 12:39:41,480 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:39:41,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 12:39:41,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 12:39:41,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 12:39:41,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 12:39:41,749 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 12:39:41,751 INFO L431 ainManager$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 [2024-11-04 12:39:43,205 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 12:39:43,675 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 12:39:43,676 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 [2024-11-04 12:39:43,712 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93787aa67/a409e57b16ad42da8deef7c0b0f43864/FLAG845ff3ee0 [2024-11-04 12:39:43,796 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93787aa67/a409e57b16ad42da8deef7c0b0f43864 [2024-11-04 12:39:43,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 12:39:43,800 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 12:39:43,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 12:39:43,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 12:39:43,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 12:39:43,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:39:43" (1/1) ... [2024-11-04 12:39:43,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc8edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:39:43, skipping insertion in model container [2024-11-04 12:39:43,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 12:39:43" (1/1) ... [2024-11-04 12:39:43,905 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 12:39:44,812 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] [2024-11-04 12:39:44,835 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:44,918 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:44,959 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:44,961 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:44,964 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:44,978 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:44,994 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:44,995 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:44,995 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:44,996 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,020 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,022 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,023 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,023 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,025 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,025 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,035 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,041 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,043 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,049 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,052 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,052 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,053 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,069 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,076 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,094 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,101 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,101 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,102 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,105 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,106 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,110 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,113 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,133 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,135 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,138 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,138 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,211 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 12:39:45,255 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 12:39:45,287 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 12:39:45,382 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] [2024-11-04 12:39:45,386 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,395 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,417 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,423 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,424 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,428 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,431 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,431 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,432 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,433 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,437 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,437 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,438 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,438 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,439 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,440 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,444 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,445 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,446 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,452 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,453 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,453 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,454 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,457 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,459 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,461 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,467 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,468 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,469 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,469 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,470 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,470 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,471 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,471 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,474 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,475 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,475 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,475 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,490 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 12:39:45,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 12:39:45,507 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 12:39:45,696 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] [2024-11-04 12:39:45,698 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] [2024-11-04 12:39:45,698 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] [2024-11-04 12:39:45,700 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] [2024-11-04 12:39:45,700 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] [2024-11-04 12:39:45,709 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] [2024-11-04 12:39:45,735 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] [2024-11-04 12:39:45,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 12:39:45,889 INFO L204 MainTranslator]: Completed translation [2024-11-04 12:39:45,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:39:45 WrapperNode [2024-11-04 12:39:45,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 12:39:45,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 12:39:45,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 12:39:45,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 12:39:45,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:39:45" (1/1) ... [2024-11-04 12:39:45,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:39:45" (1/1) ... [2024-11-04 12:39:46,065 INFO L138 Inliner]: procedures = 182, calls = 765, calls flagged for inlining = 78, calls inlined = 78, statements flattened = 2064 [2024-11-04 12:39:46,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 12:39:46,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 12:39:46,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 12:39:46,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 12:39:46,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:39:45" (1/1) ... [2024-11-04 12:39:46,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:39:45" (1/1) ... [2024-11-04 12:39:46,108 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:39:45" (1/1) ... [2024-11-04 12:39:46,397 INFO L175 MemorySlicer]: Split 454 memory accesses to 8 slices as follows [9, 2, 20, 20, 44, 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 [5, 0, 11, 0, 44, 0, 164, 0]. [2024-11-04 12:39:46,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:39:45" (1/1) ... [2024-11-04 12:39:46,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:39:45" (1/1) ... [2024-11-04 12:39:46,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:39:45" (1/1) ... [2024-11-04 12:39:46,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:39:45" (1/1) ... [2024-11-04 12:39:46,544 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:39:45" (1/1) ... [2024-11-04 12:39:46,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:39:45" (1/1) ... [2024-11-04 12:39:46,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 12:39:46,582 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 12:39:46,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 12:39:46,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 12:39:46,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:39:45" (1/1) ... [2024-11-04 12:39:46,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 12:39:46,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:39:46,614 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) [2024-11-04 12:39:46,617 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 [2024-11-04 12:39:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-04 12:39:46,644 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-04 12:39:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 12:39:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 12:39:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 12:39:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 12:39:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 12:39:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-04 12:39:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-04 12:39:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-04 12:39:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_18 [2024-11-04 12:39:46,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_18 [2024-11-04 12:39:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2024-11-04 12:39:46,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2024-11-04 12:39:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2024-11-04 12:39:46,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2024-11-04 12:39:46,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2024-11-04 12:39:46,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2024-11-04 12:39:46,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 12:39:46,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 12:39:46,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 12:39:46,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 12:39:46,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 12:39:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 12:39:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-04 12:39:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-04 12:39:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-04 12:39:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-04 12:39:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-04 12:39:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-04 12:39:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-04 12:39:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-04 12:39:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-04 12:39:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-04 12:39:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-04 12:39:46,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-04 12:39:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-04 12:39:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-04 12:39:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-04 12:39:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-04 12:39:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-04 12:39:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-04 12:39:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-04 12:39:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-04 12:39:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-04 12:39:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-04 12:39:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-04 12:39:46,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-04 12:39:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-04 12:39:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-04 12:39:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 12:39:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 12:39:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 12:39:46,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 12:39:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 12:39:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 12:39:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-04 12:39:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-04 12:39:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-04 12:39:46,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-04 12:39:46,652 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-04 12:39:46,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-04 12:39:46,653 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_read_bulk_callback [2024-11-04 12:39:46,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_read_bulk_callback [2024-11-04 12:39:46,654 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2024-11-04 12:39:46,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2024-11-04 12:39:46,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2024-11-04 12:39:46,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2024-11-04 12:39:46,655 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2024-11-04 12:39:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2024-11-04 12:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2024-11-04 12:39:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2024-11-04 12:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-04 12:39:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-04 12:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-04 12:39:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-04 12:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2024-11-04 12:39:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2024-11-04 12:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-04 12:39:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-04 12:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2024-11-04 12:39:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2024-11-04 12:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-04 12:39:46,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-04 12:39:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2024-11-04 12:39:46,657 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2024-11-04 12:39:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-04 12:39:46,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-04 12:39:46,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 12:39:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 12:39:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 12:39:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 12:39:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 12:39:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 12:39:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-04 12:39:46,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-04 12:39:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-04 12:39:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-04 12:39:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-04 12:39:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-04 12:39:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-04 12:39:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-04 12:39:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-04 12:39:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-04 12:39:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 12:39:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 12:39:46,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 12:39:46,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 12:39:46,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-04 12:39:46,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-04 12:39:46,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-04 12:39:46,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-04 12:39:46,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-04 12:39:46,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-04 12:39:46,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-04 12:39:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-04 12:39:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-04 12:39:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-04 12:39:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-04 12:39:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-04 12:39:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-04 12:39:46,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-04 12:39:46,661 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 12:39:46,662 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 12:39:46,662 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-04 12:39:46,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-04 12:39:46,662 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2024-11-04 12:39:46,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2024-11-04 12:39:46,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 12:39:46,662 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2024-11-04 12:39:46,662 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2024-11-04 12:39:46,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2024-11-04 12:39:46,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2024-11-04 12:39:46,663 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2024-11-04 12:39:46,663 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2024-11-04 12:39:46,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 12:39:46,663 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-04 12:39:46,663 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-04 12:39:46,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-04 12:39:46,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-04 12:39:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 12:39:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 12:39:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 12:39:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 12:39:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 12:39:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 12:39:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 12:39:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-04 12:39:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-04 12:39:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-04 12:39:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-04 12:39:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-04 12:39:46,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-04 12:39:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-04 12:39:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-04 12:39:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-04 12:39:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-04 12:39:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2024-11-04 12:39:46,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2024-11-04 12:39:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-04 12:39:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-04 12:39:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-04 12:39:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-04 12:39:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-04 12:39:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-04 12:39:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-04 12:39:46,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-04 12:39:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-04 12:39:46,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-04 12:39:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-04 12:39:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-04 12:39:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-04 12:39:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-04 12:39:46,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-04 12:39:46,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-04 12:39:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-04 12:39:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-04 12:39:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-04 12:39:46,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-04 12:39:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-11-04 12:39:46,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-11-04 12:39:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 12:39:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 12:39:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 12:39:46,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 12:39:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 12:39:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 12:39:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-04 12:39:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-04 12:39:46,669 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_disconnect [2024-11-04 12:39:46,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_disconnect [2024-11-04 12:39:46,670 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-04 12:39:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-04 12:39:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2024-11-04 12:39:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2024-11-04 12:39:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_read_interrupt_callback [2024-11-04 12:39:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_read_interrupt_callback [2024-11-04 12:39:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-11-04 12:39:46,671 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-11-04 12:39:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 12:39:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 12:39:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 12:39:46,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-04 12:39:46,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-04 12:39:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-04 12:39:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-04 12:39:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-04 12:39:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-04 12:39:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-04 12:39:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2024-11-04 12:39:46,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2024-11-04 12:39:46,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-04 12:39:46,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-04 12:39:46,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-04 12:39:46,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-04 12:39:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-04 12:39:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-04 12:39:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-04 12:39:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-04 12:39:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 12:39:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 12:39:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 12:39:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 12:39:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 12:39:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 12:39:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-04 12:39:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-04 12:39:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_rx_err [2024-11-04 12:39:46,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_rx_err [2024-11-04 12:39:46,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 12:39:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 12:39:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 12:39:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 12:39:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 12:39:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-04 12:39:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-04 12:39:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-04 12:39:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-04 12:39:46,677 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-04 12:39:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2024-11-04 12:39:46,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2024-11-04 12:39:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-04 12:39:46,677 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-04 12:39:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-11-04 12:39:46,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-11-04 12:39:46,677 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-04 12:39:46,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-04 12:39:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-11-04 12:39:46,678 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-11-04 12:39:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-04 12:39:46,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-04 12:39:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2024-11-04 12:39:46,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2024-11-04 12:39:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2024-11-04 12:39:46,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2024-11-04 12:39:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2024-11-04 12:39:46,678 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2024-11-04 12:39:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-04 12:39:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-04 12:39:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-04 12:39:46,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-04 12:39:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-04 12:39:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-04 12:39:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-04 12:39:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-04 12:39:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2024-11-04 12:39:46,679 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2024-11-04 12:39:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-04 12:39:46,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-04 12:39:46,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 12:39:46,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 12:39:47,288 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 12:39:47,291 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 12:39:47,377 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-04 12:39:48,767 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2024-11-04 12:40:21,709 INFO L? ?]: Removed 951 outVars from TransFormulas that were not future-live. [2024-11-04 12:40:21,710 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 12:40:21,752 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 12:40:21,752 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-04 12:40:21,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:40:21 BoogieIcfgContainer [2024-11-04 12:40:21,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 12:40:21,755 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 12:40:21,755 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 12:40:21,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 12:40:21,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 12:39:43" (1/3) ... [2024-11-04 12:40:21,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ae0e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:40:21, skipping insertion in model container [2024-11-04 12:40:21,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 12:39:45" (2/3) ... [2024-11-04 12:40:21,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ae0e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 12:40:21, skipping insertion in model container [2024-11-04 12:40:21,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 12:40:21" (3/3) ... [2024-11-04 12:40:21,761 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 [2024-11-04 12:40:21,776 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 12:40:21,776 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 12:40:21,864 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 12:40:21,870 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;@4521ac64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 12:40:21,870 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 12:40:21,878 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) [2024-11-04 12:40:21,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-04 12:40:21,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:40:21,891 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] [2024-11-04 12:40:21,891 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:40:21,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:40:21,897 INFO L85 PathProgramCache]: Analyzing trace with hash 157810778, now seen corresponding path program 1 times [2024-11-04 12:40:21,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:40:21,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958703467] [2024-11-04 12:40:21,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:40:21,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:40:21,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:40:21,910 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:40:21,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 12:40:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 12:40:25,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 1028 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 12:40:25,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 12:40:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-04 12:40:25,793 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 12:40:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-04 12:40:26,225 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 12:40:26,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [958703467] [2024-11-04 12:40:26,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [958703467] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 12:40:26,226 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 12:40:26,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-04 12:40:26,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127937879] [2024-11-04 12:40:26,228 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 12:40:26,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-04 12:40:26,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 12:40:26,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-04 12:40:26,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 12:40:26,263 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 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-04 12:40:30,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 12:40:43,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 12:40:43,088 INFO L93 Difference]: Finished difference Result 2728 states and 3815 transitions. [2024-11-04 12:40:43,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 12:40:43,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 [2024-11-04 12:40:43,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 12:40:43,135 INFO L225 Difference]: With dead ends: 2728 [2024-11-04 12:40:43,135 INFO L226 Difference]: Without dead ends: 1997 [2024-11-04 12:40:43,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 12:40:43,150 INFO L432 NwaCegarLoop]: 958 mSDtfsCounter, 2429 mSDsluCounter, 1529 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 299 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2429 SdHoareTripleChecker+Valid, 2487 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2024-11-04 12:40:43,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2429 Valid, 2487 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 316 Invalid, 1 Unknown, 0 Unchecked, 16.5s Time] [2024-11-04 12:40:43,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2024-11-04 12:40:43,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1997. [2024-11-04 12:40:43,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1997 states, 1414 states have (on average 1.299151343705799) internal successors, (1837), 1466 states have internal predecessors, (1837), 435 states have call successors, (435), 148 states have call predecessors, (435), 147 states have return successors, (430), 415 states have call predecessors, (430), 430 states have call successors, (430) [2024-11-04 12:40:43,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1997 states and 2702 transitions. [2024-11-04 12:40:43,403 INFO L78 Accepts]: Start accepts. Automaton has 1997 states and 2702 transitions. Word has length 28 [2024-11-04 12:40:43,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 12:40:43,404 INFO L471 AbstractCegarLoop]: Abstraction has 1997 states and 2702 transitions. [2024-11-04 12:40:43,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-04 12:40:43,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2702 transitions. [2024-11-04 12:40:43,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-04 12:40:43,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:40:43,409 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] [2024-11-04 12:40:43,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-04 12:40:43,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:40:43,615 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:40:43,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:40:43,616 INFO L85 PathProgramCache]: Analyzing trace with hash -2017032682, now seen corresponding path program 1 times [2024-11-04 12:40:43,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:40:43,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [671951485] [2024-11-04 12:40:43,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:40:43,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:40:43,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:40:43,618 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:40:43,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-04 12:40:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 12:40:46,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-04 12:40:46,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 12:40:52,407 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-04 12:40:52,407 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 12:40:54,750 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-04 12:40:54,751 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 12:40:54,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [671951485] [2024-11-04 12:40:54,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [671951485] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 12:40:54,751 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 12:40:54,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-04 12:40:54,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534755497] [2024-11-04 12:40:54,751 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 12:40:54,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-04 12:40:54,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 12:40:54,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-04 12:40:54,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 12:40:54,756 INFO L87 Difference]: Start difference. First operand 1997 states and 2702 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-04 12:40:56,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 12:40:56,758 INFO L93 Difference]: Finished difference Result 5964 states and 8228 transitions. [2024-11-04 12:40:56,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 12:40:56,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 38 [2024-11-04 12:40:56,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 12:40:56,797 INFO L225 Difference]: With dead ends: 5964 [2024-11-04 12:40:56,797 INFO L226 Difference]: Without dead ends: 3981 [2024-11-04 12:40:56,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 12:40:56,809 INFO L432 NwaCegarLoop]: 1077 mSDtfsCounter, 924 mSDsluCounter, 1800 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 924 SdHoareTripleChecker+Valid, 2877 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-04 12:40:56,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [924 Valid, 2877 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-04 12:40:56,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2024-11-04 12:40:57,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3969. [2024-11-04 12:40:57,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3969 states, 2813 states have (on average 1.2979025950942056) internal successors, (3651), 2913 states have internal predecessors, (3651), 862 states have call successors, (862), 294 states have call predecessors, (862), 293 states have return successors, (923), 827 states have call predecessors, (923), 857 states have call successors, (923) [2024-11-04 12:40:57,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3969 states to 3969 states and 5436 transitions. [2024-11-04 12:40:57,056 INFO L78 Accepts]: Start accepts. Automaton has 3969 states and 5436 transitions. Word has length 38 [2024-11-04 12:40:57,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 12:40:57,057 INFO L471 AbstractCegarLoop]: Abstraction has 3969 states and 5436 transitions. [2024-11-04 12:40:57,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-04 12:40:57,057 INFO L276 IsEmpty]: Start isEmpty. Operand 3969 states and 5436 transitions. [2024-11-04 12:40:57,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-04 12:40:57,062 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:40:57,063 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] [2024-11-04 12:40:57,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-04 12:40:57,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:40:57,264 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:40:57,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:40:57,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1896163168, now seen corresponding path program 1 times [2024-11-04 12:40:57,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:40:57,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870962767] [2024-11-04 12:40:57,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:40:57,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:40:57,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:40:57,268 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:40:57,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-04 12:41:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 12:41:00,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-04 12:41:00,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 12:41:06,379 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-04 12:41:06,379 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 12:41:08,842 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-04 12:41:08,843 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 12:41:08,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870962767] [2024-11-04 12:41:08,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [870962767] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 12:41:08,843 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 12:41:08,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 4 [2024-11-04 12:41:08,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091149438] [2024-11-04 12:41:08,843 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 12:41:08,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-04 12:41:08,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 12:41:08,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-04 12:41:08,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 12:41:08,845 INFO L87 Difference]: Start difference. First operand 3969 states and 5436 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-04 12:41:09,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 12:41:09,654 INFO L93 Difference]: Finished difference Result 3971 states and 5437 transitions. [2024-11-04 12:41:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 12:41:09,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2024-11-04 12:41:09,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 12:41:09,680 INFO L225 Difference]: With dead ends: 3971 [2024-11-04 12:41:09,680 INFO L226 Difference]: Without dead ends: 3968 [2024-11-04 12:41:09,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-04 12:41:09,684 INFO L432 NwaCegarLoop]: 927 mSDtfsCounter, 1506 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-04 12:41:09,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 927 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-04 12:41:09,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3968 states. [2024-11-04 12:41:09,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3968 to 3968. [2024-11-04 12:41:09,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3968 states, 2813 states have (on average 1.2975471027372911) internal successors, (3650), 2912 states have internal predecessors, (3650), 861 states have call successors, (861), 294 states have call predecessors, (861), 293 states have return successors, (923), 827 states have call predecessors, (923), 857 states have call successors, (923) [2024-11-04 12:41:09,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3968 states to 3968 states and 5434 transitions. [2024-11-04 12:41:09,978 INFO L78 Accepts]: Start accepts. Automaton has 3968 states and 5434 transitions. Word has length 39 [2024-11-04 12:41:09,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 12:41:09,979 INFO L471 AbstractCegarLoop]: Abstraction has 3968 states and 5434 transitions. [2024-11-04 12:41:09,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-04 12:41:09,979 INFO L276 IsEmpty]: Start isEmpty. Operand 3968 states and 5434 transitions. [2024-11-04 12:41:09,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-04 12:41:09,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 12:41:09,980 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] [2024-11-04 12:41:10,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-04 12:41:10,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:41:10,182 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 12:41:10,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 12:41:10,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1348812199, now seen corresponding path program 1 times [2024-11-04 12:41:10,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 12:41:10,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139906145] [2024-11-04 12:41:10,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 12:41:10,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 12:41:10,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 12:41:10,185 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 12:41:10,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process