/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 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 23:00:19,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 23:00:19,705 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 23:00:19,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 23:00:19,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 23:00:19,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 23:00:19,735 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 23:00:19,735 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 23:00:19,736 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 23:00:19,737 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 23:00:19,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 23:00:19,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 23:00:19,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 23:00:19,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 23:00:19,739 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 23:00:19,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 23:00:19,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 23:00:19,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 23:00:19,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 23:00:19,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 23:00:19,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 23:00:19,744 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 23:00:19,744 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 23:00:19,744 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 23:00:19,745 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 23:00:19,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 23:00:19,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 23:00:19,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 23:00:19,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 23:00:19,745 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 23:00:19,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 23:00:19,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 23:00:19,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 23:00:19,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 23:00:19,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 23:00:19,747 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 23:00:19,747 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 23:00:19,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 23:00:19,748 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 23:00:19,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 23:00:19,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 23:00:19,749 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-04 23:00:19,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 23:00:19,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 23:00:19,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 23:00:19,996 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 23:00:19,996 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 23:00:19,997 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-11-04 23:00:21,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 23:00:21,805 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 23:00:21,806 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-11-04 23:00:21,841 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2371050e3/5209c0bf04d24153a3196b69ad22c353/FLAGd3f97c5b3 [2024-11-04 23:00:21,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2371050e3/5209c0bf04d24153a3196b69ad22c353 [2024-11-04 23:00:21,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 23:00:21,864 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 23:00:21,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 23:00:21,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 23:00:21,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 23:00:21,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 11:00:21" (1/1) ... [2024-11-04 23:00:21,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34807096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:00:21, skipping insertion in model container [2024-11-04 23:00:21,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 11:00:21" (1/1) ... [2024-11-04 23:00:21,976 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 23:00:22,622 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 23:00:22,879 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 23:00:22,933 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 23:00:22,935 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 23:00:22,941 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 23:00:22,954 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 23:00:22,974 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 23:00:22,975 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 23:00:22,975 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 23:00:22,976 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 23:00:23,001 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 23:00:23,002 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 23:00:23,004 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 23:00:23,005 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 23:00:23,006 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 23:00:23,011 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 23:00:23,013 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 23:00:23,014 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 23:00:23,032 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 23:00:23,040 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:00:23,040 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:00:23,042 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 23:00:23,048 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 23:00:23,049 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 23:00:23,050 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 23:00:23,051 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 23:00:23,059 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 23:00:23,073 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:00:23,081 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 23:00:23,102 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 23:00:23,105 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 23:00:23,108 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:00:23,108 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:00:23,110 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 23:00:23,110 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 23:00:23,116 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 23:00:23,117 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 23:00:23,162 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-11-04 23:00:23,178 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 23:00:23,179 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 23:00:23,205 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 23:00:23,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 23:00:23,254 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 23:00:23,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 23:00:23,374 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 23:00:23,394 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 23:00:23,407 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 23:00:23,408 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 23:00:23,411 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 23:00:23,416 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 23:00:23,419 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 23:00:23,423 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 23:00:23,424 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 23:00:23,425 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 23:00:23,430 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 23:00:23,431 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 23:00:23,432 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 23:00:23,433 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 23:00:23,433 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 23:00:23,433 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 23:00:23,435 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 23:00:23,438 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 23:00:23,444 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 23:00:23,446 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 23:00:23,446 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 23:00:23,447 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 23:00:23,451 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 23:00:23,453 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 23:00:23,453 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 23:00:23,454 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 23:00:23,460 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 23:00:23,465 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 23:00:23,467 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 23:00:23,471 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 23:00:23,474 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 23:00:23,475 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 23:00:23,476 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 23:00:23,478 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 23:00:23,478 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 23:00:23,479 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 23:00:23,479 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 23:00:23,484 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-11-04 23:00:23,486 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 23:00:23,487 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 23:00:23,491 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 23:00:23,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 23:00:23,513 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 23:00:23,619 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4831-4837] [2024-11-04 23:00:23,621 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4844-4850] [2024-11-04 23:00:23,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "btr %2,%1\n\t" "sbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4857-4864] [2024-11-04 23:00:23,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "incl %0": "+m" (v->counter)); [4894-4900] [2024-11-04 23:00:23,624 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n" ".balign 4\n" ".long 671f - .\n" ".previous\n" "671:" "\n\tlock; " "decl %0": "+m" (v->counter)); [4907-4913] [2024-11-04 23:00:23,680 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n" ".pushsection __bug_table,\"a\"\n" "2:\t.long 1b - 2b, %c0 - 2b\n" "\t.word %c1, 0\n" "\t.org 2b+%c2\n" ".popsection": : "i" ("/anthill/stuff/tacas-comp/work/current--X--drivers/net/can/usb/ems_usb.ko--X--bulklinux-3.0.1--X--68_1/linux-3.0.1/csd_deg_dscv/11/dscv_tempdir/dscv/ri/68_1/drivers/net/can/usb/ems_usb.c.common.c"), "i" (510), "i" (sizeof(struct bug_entry ))); [5717-5723] [2024-11-04 23:00:23,816 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2024-11-04 23:00:23,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 23:00:23,961 INFO L204 MainTranslator]: Completed translation [2024-11-04 23:00:23,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:00:23 WrapperNode [2024-11-04 23:00:23,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 23:00:23,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 23:00:23,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 23:00:23,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 23:00:23,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:00:23" (1/1) ... [2024-11-04 23:00:24,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:00:23" (1/1) ... [2024-11-04 23:00:24,100 INFO L138 Inliner]: procedures = 144, calls = 778, calls flagged for inlining = 54, calls inlined = 44, statements flattened = 1577 [2024-11-04 23:00:24,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 23:00:24,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 23:00:24,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 23:00:24,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 23:00:24,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:00:23" (1/1) ... [2024-11-04 23:00:24,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:00:23" (1/1) ... [2024-11-04 23:00:24,134 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:00:23" (1/1) ... [2024-11-04 23:00:24,272 INFO L175 MemorySlicer]: Split 342 memory accesses to 8 slices as follows [2, 8, 42, 8, 10, 8, 3, 261]. 76 percent of accesses are in the largest equivalence class. The 34 initializations are split as follows [2, 8, 0, 8, 0, 8, 0, 8]. The 214 writes are split as follows [0, 0, 42, 0, 0, 0, 0, 172]. [2024-11-04 23:00:24,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:00:23" (1/1) ... [2024-11-04 23:00:24,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:00:23" (1/1) ... [2024-11-04 23:00:24,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:00:23" (1/1) ... [2024-11-04 23:00:24,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:00:23" (1/1) ... [2024-11-04 23:00:24,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:00:23" (1/1) ... [2024-11-04 23:00:24,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:00:23" (1/1) ... [2024-11-04 23:00:24,428 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 23:00:24,429 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 23:00:24,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 23:00:24,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 23:00:24,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:00:23" (1/1) ... [2024-11-04 23:00:24,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 23:00:24,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 23:00:24,459 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 23:00:24,461 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 23:00:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2024-11-04 23:00:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2024-11-04 23:00:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 23:00:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 23:00:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 23:00:24,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 23:00:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 23:00:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-04 23:00:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-04 23:00:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-04 23:00:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2024-11-04 23:00:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2024-11-04 23:00:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-04 23:00:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-04 23:00:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 23:00:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 23:00:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 23:00:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-04 23:00:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-04 23:00:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-04 23:00:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-04 23:00:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-04 23:00:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-04 23:00:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 23:00:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 23:00:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 23:00:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 23:00:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 23:00:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 23:00:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-04 23:00:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-04 23:00:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2024-11-04 23:00:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2024-11-04 23:00:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2024-11-04 23:00:24,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2024-11-04 23:00:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-04 23:00:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-04 23:00:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-04 23:00:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-04 23:00:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2024-11-04 23:00:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2024-11-04 23:00:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2024-11-04 23:00:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2024-11-04 23:00:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-04 23:00:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-04 23:00:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2024-11-04 23:00:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2024-11-04 23:00:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-04 23:00:24,487 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-04 23:00:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-11-04 23:00:24,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-11-04 23:00:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 23:00:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 23:00:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 23:00:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 23:00:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 23:00:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 23:00:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-04 23:00:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-04 23:00:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-04 23:00:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-04 23:00:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-04 23:00:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-04 23:00:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-04 23:00:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-04 23:00:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-04 23:00:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-04 23:00:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-04 23:00:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-04 23:00:24,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-04 23:00:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2024-11-04 23:00:24,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2024-11-04 23:00:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2024-11-04 23:00:24,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2024-11-04 23:00:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 23:00:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2024-11-04 23:00:24,490 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2024-11-04 23:00:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 23:00:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2024-11-04 23:00:24,490 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2024-11-04 23:00:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 23:00:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 23:00:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 23:00:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 23:00:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 23:00:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 23:00:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 23:00:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-04 23:00:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-04 23:00:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-04 23:00:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-04 23:00:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-04 23:00:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-04 23:00:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-04 23:00:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-04 23:00:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-04 23:00:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-04 23:00:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2024-11-04 23:00:24,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2024-11-04 23:00:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-04 23:00:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-04 23:00:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-04 23:00:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-04 23:00:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-04 23:00:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-04 23:00:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-04 23:00:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-04 23:00:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-04 23:00:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-04 23:00:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-04 23:00:24,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-04 23:00:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-04 23:00:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-04 23:00:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-04 23:00:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-04 23:00:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2024-11-04 23:00:24,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2024-11-04 23:00:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2024-11-04 23:00:24,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2024-11-04 23:00:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 23:00:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 23:00:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 23:00:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 23:00:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 23:00:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 23:00:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-04 23:00:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-04 23:00:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2024-11-04 23:00:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2024-11-04 23:00:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-04 23:00:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-04 23:00:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2024-11-04 23:00:24,494 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2024-11-04 23:00:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 23:00:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 23:00:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 23:00:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 23:00:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 23:00:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 23:00:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-04 23:00:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-04 23:00:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 23:00:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 23:00:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 23:00:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 23:00:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 23:00:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 23:00:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-04 23:00:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-04 23:00:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-04 23:00:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-04 23:00:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 23:00:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-04 23:00:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-04 23:00:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-04 23:00:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-04 23:00:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-04 23:00:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-04 23:00:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-04 23:00:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-04 23:00:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-04 23:00:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-04 23:00:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 23:00:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 23:00:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 23:00:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 23:00:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 23:00:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 23:00:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-04 23:00:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-04 23:00:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-04 23:00:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-04 23:00:24,496 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-04 23:00:24,496 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-04 23:00:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2024-11-04 23:00:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2024-11-04 23:00:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2024-11-04 23:00:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2024-11-04 23:00:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2024-11-04 23:00:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2024-11-04 23:00:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-04 23:00:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-04 23:00:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2024-11-04 23:00:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2024-11-04 23:00:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-11-04 23:00:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-11-04 23:00:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2024-11-04 23:00:24,497 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2024-11-04 23:00:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2024-11-04 23:00:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2024-11-04 23:00:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-04 23:00:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-04 23:00:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-04 23:00:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-04 23:00:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-04 23:00:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-04 23:00:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-04 23:00:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-04 23:00:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2024-11-04 23:00:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2024-11-04 23:00:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-04 23:00:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-04 23:00:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 23:00:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 23:00:24,861 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 23:00:24,865 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 23:00:26,838 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-11-04 23:00:31,654 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-04 23:00:55,063 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2024-11-04 23:00:55,064 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2024-11-04 23:00:55,251 INFO L? ?]: Removed 599 outVars from TransFormulas that were not future-live. [2024-11-04 23:00:55,251 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 23:00:55,283 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 23:00:55,283 INFO L316 CfgBuilder]: Removed 13 assume(true) statements. [2024-11-04 23:00:55,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 11:00:55 BoogieIcfgContainer [2024-11-04 23:00:55,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 23:00:55,287 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 23:00:55,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 23:00:55,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 23:00:55,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 11:00:21" (1/3) ... [2024-11-04 23:00:55,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea77f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 11:00:55, skipping insertion in model container [2024-11-04 23:00:55,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 11:00:23" (2/3) ... [2024-11-04 23:00:55,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea77f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 11:00:55, skipping insertion in model container [2024-11-04 23:00:55,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 11:00:55" (3/3) ... [2024-11-04 23:00:55,294 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2024-11-04 23:00:55,311 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 23:00:55,311 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 23:00:55,396 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 23:00:55,402 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;@5df1f1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 23:00:55,403 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 23:00:55,411 INFO L276 IsEmpty]: Start isEmpty. Operand has 482 states, 331 states have (on average 1.3232628398791542) internal successors, (438), 343 states have internal predecessors, (438), 112 states have call successors, (112), 38 states have call predecessors, (112), 37 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) [2024-11-04 23:00:55,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-04 23:00:55,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 23:00:55,422 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 23:00:55,422 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 23:00:55,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 23:00:55,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1986823710, now seen corresponding path program 1 times [2024-11-04 23:00:55,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 23:00:55,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1783162261] [2024-11-04 23:00:55,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 23:00:55,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-04 23:00:55,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-04 23:00:55,444 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 23:00:55,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-04 23:00:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 23:00:59,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 23:00:59,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 23:01:00,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 23:01:00,708 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 23:01:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 23:01:01,669 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 23:01:01,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1783162261] [2024-11-04 23:01:01,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1783162261] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 23:01:01,670 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 23:01:01,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-04 23:01:01,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506309569] [2024-11-04 23:01:01,673 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 23:01:01,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 23:01:01,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 23:01:01,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 23:01:01,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 23:01:01,701 INFO L87 Difference]: Start difference. First operand has 482 states, 331 states have (on average 1.3232628398791542) internal successors, (438), 343 states have internal predecessors, (438), 112 states have call successors, (112), 38 states have call predecessors, (112), 37 states have return successors, (110), 108 states have call predecessors, (110), 110 states have call successors, (110) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-04 23:01:02,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 23:01:02,181 INFO L93 Difference]: Finished difference Result 1398 states and 1963 transitions. [2024-11-04 23:01:02,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 23:01:02,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 21 [2024-11-04 23:01:02,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 23:01:02,209 INFO L225 Difference]: With dead ends: 1398 [2024-11-04 23:01:02,210 INFO L226 Difference]: Without dead ends: 922 [2024-11-04 23:01:02,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 23:01:02,220 INFO L432 NwaCegarLoop]: 694 mSDtfsCounter, 603 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-04 23:01:02,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1288 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-04 23:01:02,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2024-11-04 23:01:02,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 918. [2024-11-04 23:01:02,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 633 states have (on average 1.2369668246445498) internal successors, (783), 645 states have internal predecessors, (783), 213 states have call successors, (213), 72 states have call predecessors, (213), 71 states have return successors, (212), 205 states have call predecessors, (212), 209 states have call successors, (212) [2024-11-04 23:01:02,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1208 transitions. [2024-11-04 23:01:02,383 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1208 transitions. Word has length 21 [2024-11-04 23:01:02,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 23:01:02,383 INFO L471 AbstractCegarLoop]: Abstraction has 918 states and 1208 transitions. [2024-11-04 23:01:02,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-04 23:01:02,384 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1208 transitions. [2024-11-04 23:01:02,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-04 23:01:02,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 23:01:02,387 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 23:01:02,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-04 23:01:02,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-04 23:01:02,591 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 23:01:02,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 23:01:02,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1461749880, now seen corresponding path program 1 times [2024-11-04 23:01:02,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 23:01:02,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869632750] [2024-11-04 23:01:02,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 23:01:02,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-04 23:01:02,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-04 23:01:02,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 23:01:02,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-04 23:01:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 23:01:06,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-04 23:01:06,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 23:01:07,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 23:01:07,564 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 23:01:08,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-04 23:01:08,373 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 23:01:08,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869632750] [2024-11-04 23:01:08,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1869632750] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 23:01:08,374 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 23:01:08,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2024-11-04 23:01:08,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031107395] [2024-11-04 23:01:08,374 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 23:01:08,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-04 23:01:08,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 23:01:08,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-04 23:01:08,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 23:01:08,376 INFO L87 Difference]: Start difference. First operand 918 states and 1208 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-04 23:01:08,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 23:01:08,679 INFO L93 Difference]: Finished difference Result 2719 states and 3591 transitions. [2024-11-04 23:01:08,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-04 23:01:08,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 22 [2024-11-04 23:01:08,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 23:01:08,693 INFO L225 Difference]: With dead ends: 2719 [2024-11-04 23:01:08,693 INFO L226 Difference]: Without dead ends: 1809 [2024-11-04 23:01:08,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-04 23:01:08,698 INFO L432 NwaCegarLoop]: 633 mSDtfsCounter, 593 mSDsluCounter, 592 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 1225 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-04 23:01:08,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 1225 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-04 23:01:08,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2024-11-04 23:01:08,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1802. [2024-11-04 23:01:08,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1802 states, 1243 states have (on average 1.2333065164923571) internal successors, (1533), 1262 states have internal predecessors, (1533), 418 states have call successors, (418), 141 states have call predecessors, (418), 140 states have return successors, (424), 406 states have call predecessors, (424), 414 states have call successors, (424) [2024-11-04 23:01:08,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1802 states and 2375 transitions. [2024-11-04 23:01:08,790 INFO L78 Accepts]: Start accepts. Automaton has 1802 states and 2375 transitions. Word has length 22 [2024-11-04 23:01:08,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 23:01:08,790 INFO L471 AbstractCegarLoop]: Abstraction has 1802 states and 2375 transitions. [2024-11-04 23:01:08,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-04 23:01:08,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2375 transitions. [2024-11-04 23:01:08,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-04 23:01:08,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 23:01:08,796 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 23:01:08,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-04 23:01:08,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-04 23:01:08,999 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 23:01:08,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 23:01:09,000 INFO L85 PathProgramCache]: Analyzing trace with hash -440434169, now seen corresponding path program 1 times [2024-11-04 23:01:09,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 23:01:09,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456753334] [2024-11-04 23:01:09,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 23:01:09,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-04 23:01:09,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-04 23:01:09,004 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 23:01:09,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-04 23:01:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 23:01:12,417 WARN L253 TraceCheckSpWp]: Trace formula consists of 1372 conjuncts, 919 conjuncts are in the unsatisfiable core [2024-11-04 23:01:12,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 23:01:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-04 23:01:21,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 23:01:27,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-04 23:01:27,598 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 23:01:27,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456753334] [2024-11-04 23:01:27,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1456753334] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 23:01:27,598 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 23:01:27,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 3] imperfect sequences [] total 7 [2024-11-04 23:01:27,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952295245] [2024-11-04 23:01:27,598 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 23:01:27,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-04 23:01:27,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 23:01:27,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-04 23:01:27,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-04 23:01:27,601 INFO L87 Difference]: Start difference. First operand 1802 states and 2375 transitions. Second operand has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-04 23:01:31,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 23:01:35,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []