/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 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:30:51,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:30:52,028 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 20:30:52,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:30:52,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:30:52,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:30:52,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:30:52,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:30:52,056 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:30:52,057 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:30:52,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:30:52,058 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:30:52,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:30:52,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:30:52,058 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:30:52,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:30:52,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:30:52,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:30:52,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:30:52,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:30:52,061 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:30:52,062 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:30:52,062 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:30:52,062 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:30:52,062 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:30:52,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:30:52,062 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:30:52,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:30:52,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:30:52,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:30:52,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:30:52,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:30:52,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:30:52,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:30:52,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:30:52,064 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:30:52,064 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:30:52,064 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:30:52,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:30:52,065 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:30:52,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:30:52,066 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:30:52,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:30:52,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:30:52,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:30:52,252 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:30:52,252 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:30:52,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i [2024-11-04 20:30:53,426 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:30:53,801 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:30:53,802 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i [2024-11-04 20:30:53,832 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c96c1e66e/5f026256954c445a9436a565de65e311/FLAGaec04dc4f [2024-11-04 20:30:53,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c96c1e66e/5f026256954c445a9436a565de65e311 [2024-11-04 20:30:53,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:30:53,995 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:30:53,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:30:53,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:30:54,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:30:54,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:30:53" (1/1) ... [2024-11-04 20:30:54,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b108582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:54, skipping insertion in model container [2024-11-04 20:30:54,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:30:53" (1/1) ... [2024-11-04 20:30:54,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:30:54,334 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i[4494,4507] [2024-11-04 20:30:54,344 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i[4554,4567] [2024-11-04 20:30:54,825 WARN 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 20:30:54,898 WARN 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 20:30:54,898 WARN 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 20:30:54,900 WARN 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 20:30:54,906 WARN 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 20:30:54,907 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:54,908 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:54,908 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:54,908 WARN 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 20:30:54,908 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:54,909 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:54,911 WARN 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 20:30:54,911 WARN 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 20:30:54,912 WARN 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 20:30:54,913 WARN 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 20:30:54,920 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:54,920 WARN 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 20:30:54,920 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:54,920 WARN 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 20:30:54,921 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:54,922 WARN 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 20:30:54,922 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:54,923 WARN 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 20:30:55,192 WARN 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 20:30:55,193 WARN 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 20:30:55,193 WARN 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 20:30:55,193 WARN 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 20:30:55,307 WARN 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 20:30:55,327 WARN 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 20:30:55,328 WARN 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 20:30:55,328 WARN 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 20:30:55,328 WARN 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 20:30:55,329 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,329 WARN 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 20:30:55,330 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,358 WARN 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 20:30:55,360 WARN 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 20:30:55,365 WARN 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 20:30:55,429 WARN 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 20:30:55,430 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 20:30:55,433 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 20:30:55,434 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,434 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:30:55,549 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:30:55,596 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:30:55,600 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i[4494,4507] [2024-11-04 20:30:55,602 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i[4554,4567] [2024-11-04 20:30:55,620 WARN 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 20:30:55,629 WARN 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 20:30:55,629 WARN 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 20:30:55,629 WARN 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 20:30:55,631 WARN 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 20:30:55,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,632 WARN 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 20:30:55,633 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,633 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,634 WARN 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 20:30:55,635 WARN 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 20:30:55,636 WARN 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 20:30:55,636 WARN 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 20:30:55,638 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,639 WARN 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 20:30:55,639 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,643 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:55,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,645 WARN 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 20:30:55,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,646 WARN 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 20:30:55,685 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:55,689 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:55,690 WARN 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 20:30:55,690 WARN 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 20:30:55,712 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:55,719 WARN 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 20:30:55,719 WARN 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 20:30:55,719 WARN 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 20:30:55,719 WARN 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 20:30:55,720 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,720 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:55,720 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,722 WARN 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 20:30:55,724 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:55,728 WARN 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 20:30:55,754 WARN 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 20:30:55,755 WARN 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 20:30:55,756 WARN 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 20:30:55,756 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,756 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:30:55,816 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:30:55,831 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i[4494,4507] [2024-11-04 20:30:55,831 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i[4554,4567] [2024-11-04 20:30:55,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,860 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,865 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,865 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,866 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,866 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,916 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,917 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,946 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8315] [2024-11-04 20:30:55,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:55,960 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8801-8812] [2024-11-04 20:30:55,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:30:56,153 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:30:56,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:56 WrapperNode [2024-11-04 20:30:56,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:30:56,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:30:56,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:30:56,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:30:56,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,283 INFO L138 Inliner]: procedures = 701, calls = 2619, calls flagged for inlining = 60, calls inlined = 10, statements flattened = 962 [2024-11-04 20:30:56,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:30:56,285 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:30:56,285 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:30:56,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:30:56,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,304 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,349 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-04 20:30:56,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,418 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:30:56,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:30:56,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:30:56,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:30:56,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:30:56,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:30:56,446 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 20:30:56,448 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 20:30:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-04 20:30:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-04 20:30:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 20:30:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 20:30:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 20:30:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-04 20:30:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-04 20:30:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-11-04 20:30:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 20:30:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 20:30:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:30:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:30:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:30:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:30:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-04 20:30:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:30:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:30:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:30:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:30:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-04 20:30:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-04 20:30:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-04 20:30:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-04 20:30:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-04 20:30:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2024-11-04 20:30:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2024-11-04 20:30:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-04 20:30:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-04 20:30:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:30:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:30:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 20:30:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-04 20:30:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-04 20:30:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-04 20:30:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 20:30:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 20:30:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-04 20:30:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-04 20:30:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-04 20:30:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-04 20:30:56,720 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:30:56,722 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:31:04,668 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-04 20:31:04,668 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:31:04,679 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:31:04,681 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-04 20:31:04,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:31:04 BoogieIcfgContainer [2024-11-04 20:31:04,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:31:04,684 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:31:04,684 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:31:04,686 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:31:04,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:30:53" (1/3) ... [2024-11-04 20:31:04,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33eb08b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:31:04, skipping insertion in model container [2024-11-04 20:31:04,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:56" (2/3) ... [2024-11-04 20:31:04,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33eb08b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:31:04, skipping insertion in model container [2024-11-04 20:31:04,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:31:04" (3/3) ... [2024-11-04 20:31:04,689 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness.i [2024-11-04 20:31:04,699 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:31:04,699 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:31:04,748 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:31:04,752 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;@800cec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:31:04,752 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:31:04,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 103 states have (on average 1.2912621359223302) internal successors, (133), 103 states have internal predecessors, (133), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-04 20:31:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-04 20:31:04,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:31:04,763 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:31:04,764 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:31:04,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:31:04,767 INFO L85 PathProgramCache]: Analyzing trace with hash -463635459, now seen corresponding path program 1 times [2024-11-04 20:31:04,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:31:04,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [838360093] [2024-11-04 20:31:04,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:31:04,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:31:04,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:31:04,778 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:31:04,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-04 20:32:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:32:19,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 4063 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:32:19,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:32:19,330 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-04 20:32:19,331 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:32:20,149 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-04 20:32:20,150 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:32:20,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [838360093] [2024-11-04 20:32:20,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [838360093] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:32:20,151 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:32:20,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:32:20,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033936520] [2024-11-04 20:32:20,153 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:32:20,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:32:20,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:32:20,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:32:20,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:32:20,171 INFO L87 Difference]: Start difference. First operand has 152 states, 103 states have (on average 1.2912621359223302) internal successors, (133), 103 states have internal predecessors, (133), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-04 20:32:20,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:32:20,195 INFO L93 Difference]: Finished difference Result 294 states and 420 transitions. [2024-11-04 20:32:20,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:32:20,198 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 48 [2024-11-04 20:32:20,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:32:20,203 INFO L225 Difference]: With dead ends: 294 [2024-11-04 20:32:20,203 INFO L226 Difference]: Without dead ends: 145 [2024-11-04 20:32:20,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:32:20,208 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-04 20:32:20,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 20:32:20,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-04 20:32:20,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-04 20:32:20,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 96 states have (on average 1.2395833333333333) internal successors, (119), 97 states have internal predecessors, (119), 37 states have call successors, (37), 11 states have call predecessors, (37), 11 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-04 20:32:20,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 192 transitions. [2024-11-04 20:32:20,243 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 192 transitions. Word has length 48 [2024-11-04 20:32:20,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:32:20,244 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 192 transitions. [2024-11-04 20:32:20,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-04 20:32:20,244 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 192 transitions. [2024-11-04 20:32:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-04 20:32:20,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:32:20,246 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:32:20,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-04 20:32:20,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:32:20,447 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:32:20,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:32:20,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1070415274, now seen corresponding path program 1 times [2024-11-04 20:32:20,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:32:20,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1696315432] [2024-11-04 20:32:20,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:32:20,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:32:20,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:32:20,449 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:32:20,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process