/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_relative_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 14:04:52,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 14:04:52,632 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 14:04:52,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 14:04:52,637 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 14:04:52,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 14:04:52,663 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 14:04:52,663 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 14:04:52,664 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 14:04:52,667 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 14:04:52,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 14:04:52,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 14:04:52,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 14:04:52,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 14:04:52,669 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 14:04:52,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 14:04:52,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 14:04:52,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 14:04:52,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 14:04:52,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 14:04:52,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 14:04:52,672 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 14:04:52,672 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 14:04:52,673 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 14:04:52,673 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 14:04:52,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 14:04:52,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 14:04:52,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 14:04:52,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 14:04:52,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 14:04:52,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 14:04:52,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:04:52,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 14:04:52,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 14:04:52,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 14:04:52,675 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 14:04:52,675 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 14:04:52,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 14:04:52,676 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 14:04:52,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 14:04:52,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 14:04:52,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 14:04:52,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 14:04:52,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 14:04:52,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 14:04:52,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 14:04:52,931 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 14:04:52,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2024-11-06 14:04:54,288 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 14:04:54,738 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 14:04:54,739 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2024-11-06 14:04:54,783 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1066c9f5/c2adedc9fd0c4e3397e044fab045a079/FLAGe56876484 [2024-11-06 14:04:54,799 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1066c9f5/c2adedc9fd0c4e3397e044fab045a079 [2024-11-06 14:04:54,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 14:04:54,803 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 14:04:54,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 14:04:54,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 14:04:54,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 14:04:54,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:04:54" (1/1) ... [2024-11-06 14:04:54,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bcf81f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:54, skipping insertion in model container [2024-11-06 14:04:54,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:04:54" (1/1) ... [2024-11-06 14:04:54,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 14:04:55,210 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_relative_harness_negated.i[4503,4516] [2024-11-06 14:04:55,220 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_relative_harness_negated.i[4563,4576] [2024-11-06 14:04:55,723 WARN 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 14:04:55,828 WARN 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 14:04:55,829 WARN 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 14:04:55,830 WARN 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 14:04:55,845 WARN 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 14:04:55,850 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:55,850 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:55,851 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:55,851 WARN 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 14:04:55,851 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:55,852 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:55,856 WARN 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 14:04:55,857 WARN 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 14:04:55,862 WARN 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 14:04:55,862 WARN 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 14:04:55,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:55,874 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:55,874 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:55,874 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:55,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:55,876 WARN 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 14:04:55,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:55,877 WARN 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 14:04:56,194 WARN 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 14:04:56,194 WARN 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 14:04:56,195 WARN 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 14:04:56,195 WARN 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 14:04:56,304 WARN 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 14:04:56,304 WARN 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 14:04:56,305 WARN 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 14:04:56,305 WARN 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 14:04:56,306 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,306 WARN 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 14:04:56,306 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,315 WARN 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 14:04:56,319 WARN 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 14:04:56,325 WARN 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 14:04:56,396 WARN 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 14:04:56,397 WARN 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 14:04:56,402 WARN 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 14:04:56,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:04:56,553 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 14:04:56,600 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 14:04:56,606 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_relative_harness_negated.i[4503,4516] [2024-11-06 14:04:56,606 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_relative_harness_negated.i[4563,4576] [2024-11-06 14:04:56,637 WARN 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 14:04:56,655 WARN 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 14:04:56,655 WARN 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 14:04:56,656 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 14:04:56,661 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 14:04:56,662 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,662 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,662 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,663 WARN 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 14:04:56,663 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,663 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,665 WARN 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 14:04:56,665 WARN 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 14:04:56,666 WARN 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 14:04:56,666 WARN 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 14:04:56,670 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,671 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:56,671 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,673 WARN 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 14:04:56,674 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,674 WARN 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 14:04:56,675 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,675 WARN 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 14:04:56,725 WARN 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 14:04:56,725 WARN 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 14:04:56,726 WARN 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 14:04:56,726 WARN 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 14:04:56,751 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:56,752 WARN 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 14:04:56,752 WARN 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 14:04:56,752 WARN 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 14:04:56,753 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,753 WARN 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 14:04:56,753 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,760 WARN 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 14:04:56,765 WARN 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 14:04:56,773 WARN 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 14:04:56,808 WARN 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 14:04:56,809 WARN 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 14:04:56,811 WARN 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 14:04:56,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:04:56,888 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 14:04:56,902 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_relative_harness_negated.i[4503,4516] [2024-11-06 14:04:56,903 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_relative_harness_negated.i[4563,4576] [2024-11-06 14:04:56,952 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,952 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,952 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,953 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,958 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,959 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,959 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:56,959 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:57,009 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:57,010 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:57,051 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8085] [2024-11-06 14:04:57,054 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:57,054 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:57,069 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8571-8582] [2024-11-06 14:04:57,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:04:57,303 INFO L204 MainTranslator]: Completed translation [2024-11-06 14:04:57,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:57 WrapperNode [2024-11-06 14:04:57,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 14:04:57,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 14:04:57,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 14:04:57,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 14:04:57,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:57" (1/1) ... [2024-11-06 14:04:57,406 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:57" (1/1) ... [2024-11-06 14:04:57,525 INFO L138 Inliner]: procedures = 701, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1013 [2024-11-06 14:04:57,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 14:04:57,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 14:04:57,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 14:04:57,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 14:04:57,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:57" (1/1) ... [2024-11-06 14:04:57,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:57" (1/1) ... [2024-11-06 14:04:57,552 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:57" (1/1) ... [2024-11-06 14:04:57,607 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-06 14:04:57,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:57" (1/1) ... [2024-11-06 14:04:57,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:57" (1/1) ... [2024-11-06 14:04:57,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:57" (1/1) ... [2024-11-06 14:04:57,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:57" (1/1) ... [2024-11-06 14:04:57,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:57" (1/1) ... [2024-11-06 14:04:57,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:57" (1/1) ... [2024-11-06 14:04:57,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 14:04:57,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 14:04:57,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 14:04:57,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 14:04:57,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:57" (1/1) ... [2024-11-06 14:04:57,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:04:57,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:04:57,727 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 14:04:57,729 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 14:04:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-06 14:04:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-06 14:04:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 14:04:57,755 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-06 14:04:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-06 14:04:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-06 14:04:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-06 14:04:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-11-06 14:04:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-06 14:04:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-06 14:04:57,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-06 14:04:57,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-06 14:04:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 14:04:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 14:04:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-06 14:04:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 14:04:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 14:04:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-06 14:04:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-06 14:04:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-06 14:04:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-06 14:04:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-06 14:04:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-06 14:04:57,757 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-06 14:04:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-06 14:04:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 14:04:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 14:04:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 14:04:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-06 14:04:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-06 14:04:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-06 14:04:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-06 14:04:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-06 14:04:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-06 14:04:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-06 14:04:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-06 14:04:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-06 14:04:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-06 14:04:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-06 14:04:58,072 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 14:04:58,074 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 14:05:07,723 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-11-06 14:05:07,724 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 14:05:07,739 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 14:05:07,739 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-06 14:05:07,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:05:07 BoogieIcfgContainer [2024-11-06 14:05:07,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 14:05:07,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 14:05:07,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 14:05:07,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 14:05:07,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:04:54" (1/3) ... [2024-11-06 14:05:07,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59437752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:05:07, skipping insertion in model container [2024-11-06 14:05:07,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:57" (2/3) ... [2024-11-06 14:05:07,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59437752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:05:07, skipping insertion in model container [2024-11-06 14:05:07,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:05:07" (3/3) ... [2024-11-06 14:05:07,753 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness_negated.i [2024-11-06 14:05:07,769 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 14:05:07,769 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 14:05:07,840 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 14:05:07,846 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;@71687614, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 14:05:07,846 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 14:05:07,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 111 states have (on average 1.3153153153153154) internal successors, (146), 110 states have internal predecessors, (146), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-06 14:05:07,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-06 14:05:07,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:05:07,867 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] [2024-11-06 14:05:07,867 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:05:07,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:05:07,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1362131233, now seen corresponding path program 1 times [2024-11-06 14:05:07,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:05:07,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [449140306] [2024-11-06 14:05:07,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:05:07,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:05:07,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:05:07,898 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 14:05:07,900 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 14:06:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:06:20,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 4056 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 14:06:20,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:06:20,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-06 14:06:20,973 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:06:20,974 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:06:20,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449140306] [2024-11-06 14:06:20,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449140306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:06:20,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 14:06:20,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 14:06:20,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442848162] [2024-11-06 14:06:20,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:06:20,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 14:06:20,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:06:20,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 14:06:20,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 14:06:21,001 INFO L87 Difference]: Start difference. First operand has 160 states, 111 states have (on average 1.3153153153153154) internal successors, (146), 110 states have internal predecessors, (146), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-06 14:06:21,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:06:21,043 INFO L93 Difference]: Finished difference Result 310 states and 445 transitions. [2024-11-06 14:06:21,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 14:06:21,048 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-06 14:06:21,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:06:21,058 INFO L225 Difference]: With dead ends: 310 [2024-11-06 14:06:21,058 INFO L226 Difference]: Without dead ends: 155 [2024-11-06 14:06:21,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 46 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 14:06:21,068 INFO L432 NwaCegarLoop]: 212 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, 212 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 14:06:21,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 14:06:21,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-06 14:06:21,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-06 14:06:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 105 states have (on average 1.2571428571428571) internal successors, (132), 106 states have internal predecessors, (132), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-06 14:06:21,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 207 transitions. [2024-11-06 14:06:21,143 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 207 transitions. Word has length 47 [2024-11-06 14:06:21,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:06:21,145 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 207 transitions. [2024-11-06 14:06:21,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-06 14:06:21,145 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 207 transitions. [2024-11-06 14:06:21,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-06 14:06:21,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:06:21,150 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] [2024-11-06 14:06:21,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-06 14:06:21,351 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 14:06:21,352 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:06:21,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:06:21,353 INFO L85 PathProgramCache]: Analyzing trace with hash 399886819, now seen corresponding path program 1 times [2024-11-06 14:06:21,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:06:21,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [257357991] [2024-11-06 14:06:21,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:06:21,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:06:21,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:06:21,358 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 14:06:21,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process