/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:40:53,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:40:53,956 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 20:40:53,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:40:53,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:40:53,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:40:53,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:40:53,977 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:40:53,978 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:40:53,978 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:40:53,978 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:40:53,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:40:53,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:40:53,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:40:53,982 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:40:53,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:40:53,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:40:53,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:40:53,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:40:53,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:40:53,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:40:53,986 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:40:53,986 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:40:53,987 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:40:53,987 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:40:53,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:40:53,987 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:40:53,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:40:53,987 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:40:53,988 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:40:53,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:40:53,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:40:53,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:40:53,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:40:53,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:40:53,988 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:40:53,989 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:40:53,989 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:40:53,989 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:40:53,989 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:40:53,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:40:53,990 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:40:54,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:40:54,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:40:54,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:40:54,188 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:40:54,192 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:40:54,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness_negated.i [2024-11-04 20:40:55,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:40:55,890 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:40:55,890 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness_negated.i [2024-11-04 20:40:55,939 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01239d0ed/1ac4e13ada0b47ffb95a4bd6ce56993b/FLAG40b239332 [2024-11-04 20:40:55,954 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01239d0ed/1ac4e13ada0b47ffb95a4bd6ce56993b [2024-11-04 20:40:55,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:40:55,957 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:40:55,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:40:55,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:40:55,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:40:55,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:40:55" (1/1) ... [2024-11-04 20:40:55,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35a5caf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:55, skipping insertion in model container [2024-11-04 20:40:55,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:40:55" (1/1) ... [2024-11-04 20:40:56,054 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:40:56,275 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_hash_callback_c_str_eq_harness_negated.i[4500,4513] [2024-11-04 20:40:56,281 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_hash_callback_c_str_eq_harness_negated.i[4560,4573] [2024-11-04 20:40:56,758 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:56,837 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:56,837 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:56,838 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:56,842 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:56,844 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:56,844 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:56,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:56,845 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:56,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:56,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:56,848 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:56,848 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:56,850 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:56,850 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:56,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:56,857 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:56,858 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:56,858 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:56,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:56,860 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:56,860 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:56,860 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,182 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,183 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,183 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,183 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,303 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,318 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,320 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,323 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,354 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,355 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,356 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,547 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,555 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,563 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,585 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,592 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,601 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,616 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,619 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,643 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,664 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,665 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,674 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,674 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,684 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,684 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,688 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,689 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,690 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,690 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,690 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,690 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,691 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,692 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,705 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,707 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,718 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,723 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,723 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:40:57,777 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:40:57,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:40:57,831 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness_negated.i[4500,4513] [2024-11-04 20:40:57,831 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_c_str_eq_harness_negated.i[4560,4573] [2024-11-04 20:40:57,847 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,854 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,854 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,854 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,856 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,857 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,858 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,858 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,859 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,859 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,861 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,861 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,862 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,862 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,885 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,885 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,886 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,886 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,905 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,910 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,911 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,913 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,931 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,931 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,932 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,932 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,932 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,949 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,951 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,959 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,965 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,967 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,973 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,978 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,981 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:57,986 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,986 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,994 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,995 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,998 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:57,998 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,003 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:58,004 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:58,005 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,005 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,006 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,006 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,006 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,007 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,008 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,012 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:58,019 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:58,022 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:58,028 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:58,033 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:58,033 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:40:58,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:40:58,064 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:40:58,078 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_hash_callback_c_str_eq_harness_negated.i[4500,4513] [2024-11-04 20:40:58,079 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_hash_callback_c_str_eq_harness_negated.i[4560,4573] [2024-11-04 20:40:58,110 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,111 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,111 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,111 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,111 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,118 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,118 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,119 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,119 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] [2024-11-04 20:40:58,185 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,185 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,237 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,238 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,239 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,240 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,244 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,245 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,245 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:40:58,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:40:58,522 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:40:58,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:58 WrapperNode [2024-11-04 20:40:58,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:40:58,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:40:58,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:40:58,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:40:58,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:58" (1/1) ... [2024-11-04 20:40:58,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:58" (1/1) ... [2024-11-04 20:40:58,689 INFO L138 Inliner]: procedures = 778, calls = 3252, calls flagged for inlining = 80, calls inlined = 5, statements flattened = 339 [2024-11-04 20:40:58,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:40:58,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:40:58,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:40:58,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:40:58,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:58" (1/1) ... [2024-11-04 20:40:58,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:58" (1/1) ... [2024-11-04 20:40:58,709 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:58" (1/1) ... [2024-11-04 20:40:58,735 INFO L175 MemorySlicer]: Split 267 memory accesses to 4 slices as follows [2, 5, 257, 3]. 96 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0]. The 257 writes are split as follows [0, 0, 257, 0]. [2024-11-04 20:40:58,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:58" (1/1) ... [2024-11-04 20:40:58,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:58" (1/1) ... [2024-11-04 20:40:58,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:58" (1/1) ... [2024-11-04 20:40:58,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:58" (1/1) ... [2024-11-04 20:40:58,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:58" (1/1) ... [2024-11-04 20:40:58,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:58" (1/1) ... [2024-11-04 20:40:58,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:40:58,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:40:58,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:40:58,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:40:58,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:58" (1/1) ... [2024-11-04 20:40:58,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:40:58,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:40:58,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-04 20:40:58,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-04 20:40:58,844 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 20:40:58,844 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:40:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:40:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:40:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-04 20:40:58,845 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-04 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 20:40:58,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 20:40:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 20:40:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 20:40:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 20:40:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 20:40:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 20:40:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 20:40:58,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:40:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 20:40:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_c_str_is_allocated [2024-11-04 20:40:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_c_str_is_allocated [2024-11-04 20:40:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-11-04 20:40:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-11-04 20:40:59,129 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:40:59,131 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:41:07,118 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2024-11-04 20:41:07,362 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-04 20:41:07,362 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:41:07,371 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:41:07,371 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-04 20:41:07,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:41:07 BoogieIcfgContainer [2024-11-04 20:41:07,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:41:07,373 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:41:07,373 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:41:07,376 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:41:07,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:40:55" (1/3) ... [2024-11-04 20:41:07,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723a6991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:41:07, skipping insertion in model container [2024-11-04 20:41:07,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:40:58" (2/3) ... [2024-11-04 20:41:07,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723a6991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:41:07, skipping insertion in model container [2024-11-04 20:41:07,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:41:07" (3/3) ... [2024-11-04 20:41:07,378 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_c_str_eq_harness_negated.i [2024-11-04 20:41:07,389 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:41:07,389 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:41:07,529 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:41:07,539 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;@761db1fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:41:07,539 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:41:07,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 44 states have internal predecessors, (51), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-04 20:41:07,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-04 20:41:07,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:41:07,554 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:41:07,554 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:41:07,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:41:07,559 INFO L85 PathProgramCache]: Analyzing trace with hash 997182196, now seen corresponding path program 1 times [2024-11-04 20:41:07,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:41:07,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [423405982] [2024-11-04 20:41:07,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:41:07,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:41:07,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:41:07,570 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:41:07,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-04 20:41:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:41:55,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 1961 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:41:55,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:41:55,504 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-04 20:41:55,504 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:41:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-04 20:41:58,882 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:41:58,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [423405982] [2024-11-04 20:41:58,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [423405982] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:41:58,883 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:41:58,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:41:58,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990693268] [2024-11-04 20:41:58,885 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:41:58,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:41:58,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:41:58,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:41:58,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:41:58,906 INFO L87 Difference]: Start difference. First operand has 71 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 44 states have internal predecessors, (51), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-04 20:41:58,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:41:58,934 INFO L93 Difference]: Finished difference Result 139 states and 186 transitions. [2024-11-04 20:41:58,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:41:58,936 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 67 [2024-11-04 20:41:58,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:41:58,942 INFO L225 Difference]: With dead ends: 139 [2024-11-04 20:41:58,942 INFO L226 Difference]: Without dead ends: 65 [2024-11-04 20:41:58,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:41:58,950 INFO L432 NwaCegarLoop]: 86 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, 86 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-04 20:41:58,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 20:41:58,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-04 20:41:58,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-04 20:41:58,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 39 states have internal predecessors, (41), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-04 20:41:58,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 78 transitions. [2024-11-04 20:41:58,985 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 78 transitions. Word has length 67 [2024-11-04 20:41:58,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:41:58,991 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 78 transitions. [2024-11-04 20:41:58,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-04 20:41:58,991 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2024-11-04 20:41:58,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-04 20:41:58,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:41:58,993 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:41:59,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-04 20:41:59,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:41:59,194 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:41:59,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:41:59,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1071895061, now seen corresponding path program 1 times [2024-11-04 20:41:59,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:41:59,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1732693153] [2024-11-04 20:41:59,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:41:59,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:41:59,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:41:59,198 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:41:59,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process