/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -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-17387ad-m [2024-11-06 14:04:45,807 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 14:04:45,865 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 14:04:45,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 14:04:45,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 14:04:45,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 14:04:45,893 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 14:04:45,893 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 14:04:45,894 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 14:04:45,895 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 14:04:45,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 14:04:45,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 14:04:45,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 14:04:45,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 14:04:45,896 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 14:04:45,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 14:04:45,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 14:04:45,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 14:04:45,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 14:04:45,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 14:04:45,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 14:04:45,900 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 14:04:45,900 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 14:04:45,901 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 14:04:45,901 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 14:04:45,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 14:04:45,901 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 14:04:45,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 14:04:45,901 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 14:04:45,901 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 14:04:45,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 14:04:45,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:04:45,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 14:04:45,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 14:04:45,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 14:04:45,902 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 14:04:45,904 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 14:04:45,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 14:04:45,904 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 14:04:45,904 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 14:04:45,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 14:04:45,904 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 14:04:46,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 14:04:46,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 14:04:46,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 14:04:46,104 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 14:04:46,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 14:04:46,105 INFO L431 ainManager$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 [2024-11-06 14:04:47,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 14:04:47,958 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 14:04:47,959 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness.i [2024-11-06 14:04:47,990 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d61901ad/dc1d6b6a30184aebbb0a876f824ff420/FLAG3595c4100 [2024-11-06 14:04:48,008 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d61901ad/dc1d6b6a30184aebbb0a876f824ff420 [2024-11-06 14:04:48,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 14:04:48,011 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 14:04:48,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 14:04:48,012 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 14:04:48,017 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 14:04:48,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:04:48" (1/1) ... [2024-11-06 14:04:48,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77070da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:48, skipping insertion in model container [2024-11-06 14:04:48,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:04:48" (1/1) ... [2024-11-06 14:04:48,118 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 14:04:48,335 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] [2024-11-06 14:04:48,342 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] [2024-11-06 14:04:48,844 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:48,924 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:48,925 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:48,928 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:48,939 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:48,941 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:48,941 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:48,941 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:48,942 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:48,946 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:48,947 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:48,949 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:48,950 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:48,955 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:48,955 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:48,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:48,968 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:48,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:48,969 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:48,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:48,972 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:48,972 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:48,972 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,215 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,216 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,217 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,218 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,344 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,358 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,359 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,359 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,359 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,360 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,360 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,361 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,380 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,385 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,393 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,438 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,439 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,440 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,440 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,441 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:04:49,530 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 14:04:49,560 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 14:04:49,563 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] [2024-11-06 14:04:49,564 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] [2024-11-06 14:04:49,577 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,585 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,585 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,585 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,588 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,588 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,588 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,589 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,589 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,589 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,590 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,591 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,591 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,592 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,592 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,594 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,595 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,595 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,595 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,596 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,596 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,597 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,597 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,628 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,628 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,629 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,629 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,648 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,652 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,652 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,653 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,653 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,653 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,654 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,654 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,656 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,658 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,661 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,680 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,680 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,684 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:49,685 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,685 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:04:49,733 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 14:04:49,756 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] [2024-11-06 14:04:49,756 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] [2024-11-06 14:04:49,789 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,790 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,790 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,790 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,790 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,794 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,794 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,795 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,795 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,840 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,841 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,868 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8315] [2024-11-06 14:04:49,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,869 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:49,879 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8801-8812] [2024-11-06 14:04:49,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:04:50,042 INFO L204 MainTranslator]: Completed translation [2024-11-06 14:04:50,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:50 WrapperNode [2024-11-06 14:04:50,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 14:04:50,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 14:04:50,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 14:04:50,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 14:04:50,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:50" (1/1) ... [2024-11-06 14:04:50,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:50" (1/1) ... [2024-11-06 14:04:50,171 INFO L138 Inliner]: procedures = 701, calls = 2619, calls flagged for inlining = 60, calls inlined = 10, statements flattened = 962 [2024-11-06 14:04:50,171 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 14:04:50,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 14:04:50,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 14:04:50,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 14:04:50,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:50" (1/1) ... [2024-11-06 14:04:50,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:50" (1/1) ... [2024-11-06 14:04:50,194 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:50" (1/1) ... [2024-11-06 14:04:50,236 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-06 14:04:50,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:50" (1/1) ... [2024-11-06 14:04:50,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:50" (1/1) ... [2024-11-06 14:04:50,264 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:50" (1/1) ... [2024-11-06 14:04:50,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:50" (1/1) ... [2024-11-06 14:04:50,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:50" (1/1) ... [2024-11-06 14:04:50,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:50" (1/1) ... [2024-11-06 14:04:50,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 14:04:50,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 14:04:50,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 14:04:50,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 14:04:50,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:50" (1/1) ... [2024-11-06 14:04:50,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:04:50,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:04:50,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-06 14:04:50,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-06 14:04:50,358 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-06 14:04:50,358 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-06 14:04:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 14:04:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-06 14:04:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-06 14:04:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-06 14:04:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-06 14:04:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-11-06 14:04:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-06 14:04:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-06 14:04:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-06 14:04:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-06 14:04:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 14:04:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 14:04:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-06 14:04:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 14:04:50,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 14:04:50,359 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-06 14:04:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-06 14:04:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-06 14:04:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-06 14:04:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-06 14:04:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-06 14:04:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-06 14:04:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2024-11-06 14:04:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2024-11-06 14:04:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-06 14:04:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-06 14:04:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 14:04:50,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 14:04:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 14:04:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-06 14:04:50,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-06 14:04:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-06 14:04:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-06 14:04:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-06 14:04:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-06 14:04:50,361 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-06 14:04:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-06 14:04:50,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-06 14:04:50,619 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 14:04:50,621 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 14:04:59,022 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-06 14:04:59,022 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 14:04:59,032 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 14:04:59,032 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-06 14:04:59,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:04:59 BoogieIcfgContainer [2024-11-06 14:04:59,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 14:04:59,034 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 14:04:59,034 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 14:04:59,036 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 14:04:59,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:04:48" (1/3) ... [2024-11-06 14:04:59,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b826fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:04:59, skipping insertion in model container [2024-11-06 14:04:59,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:50" (2/3) ... [2024-11-06 14:04:59,037 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b826fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:04:59, skipping insertion in model container [2024-11-06 14:04:59,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:04:59" (3/3) ... [2024-11-06 14:04:59,038 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness.i [2024-11-06 14:04:59,049 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 14:04:59,050 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 14:04:59,104 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 14:04:59,108 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;@100d9517, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 14:04:59,109 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 14:04:59,116 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) [2024-11-06 14:04:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-06 14:04:59,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:04:59,126 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] [2024-11-06 14:04:59,126 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:04:59,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:04:59,131 INFO L85 PathProgramCache]: Analyzing trace with hash -463635459, now seen corresponding path program 1 times [2024-11-06 14:04:59,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:04:59,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1045353083] [2024-11-06 14:04:59,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:04:59,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:04:59,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:04:59,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 14:04:59,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 14:06:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:06:14,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 4063 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 14:06:14,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:06:14,233 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-06 14:06:14,233 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:06:14,234 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:06:14,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045353083] [2024-11-06 14:06:14,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045353083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:06:14,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 14:06:14,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 14:06:14,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061624093] [2024-11-06 14:06:14,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:06:14,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 14:06:14,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:06:14,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 14:06:14,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 14:06:14,264 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 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-06 14:06:14,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:06:14,307 INFO L93 Difference]: Finished difference Result 294 states and 420 transitions. [2024-11-06 14:06:14,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 14:06:14,309 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2024-11-06 14:06:14,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:06:14,318 INFO L225 Difference]: With dead ends: 294 [2024-11-06 14:06:14,318 INFO L226 Difference]: Without dead ends: 145 [2024-11-06 14:06:14,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 14:06:14,326 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 [2024-11-06 14:06:14,326 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] [2024-11-06 14:06:14,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-06 14:06:14,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-06 14:06:14,364 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) [2024-11-06 14:06:14,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 192 transitions. [2024-11-06 14:06:14,368 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 192 transitions. Word has length 48 [2024-11-06 14:06:14,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:06:14,369 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 192 transitions. [2024-11-06 14:06:14,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-06 14:06:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 192 transitions. [2024-11-06 14:06:14,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-06 14:06:14,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:06:14,371 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] [2024-11-06 14:06:14,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-06 14:06:14,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:06:14,572 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:06:14,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:06:14,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1070415274, now seen corresponding path program 1 times [2024-11-06 14:06:14,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:06:14,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1541732744] [2024-11-06 14:06:14,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:06:14,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:06:14,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:06:14,583 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-06 14:06:14,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process