/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_table_init_unbounded_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:44:36,625 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:44:36,716 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 20:44:36,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:44:36,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:44:36,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:44:36,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:44:36,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:44:36,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:44:36,753 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:44:36,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:44:36,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:44:36,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:44:36,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:44:36,756 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:44:36,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:44:36,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:44:36,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:44:36,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:44:36,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:44:36,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:44:36,758 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:44:36,759 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:44:36,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:44:36,759 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:44:36,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:44:36,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:44:36,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:44:36,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:44:36,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:44:36,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:44:36,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:44:36,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:44:36,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:44:36,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:44:36,763 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:44:36,763 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:44:36,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:44:36,764 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:44:36,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:44:36,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:44:36,765 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:44:37,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:44:37,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:44:37,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:44:37,065 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:44:37,065 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:44:37,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_hash_table_init_unbounded_harness_negated.i [2024-11-04 20:44:38,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:44:39,242 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:44:39,243 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_table_init_unbounded_harness_negated.i [2024-11-04 20:44:39,282 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8cef3b4d/914b8880fe8d481888b216503d0658fa/FLAG24bd81b27 [2024-11-04 20:44:39,318 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8cef3b4d/914b8880fe8d481888b216503d0658fa [2024-11-04 20:44:39,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:44:39,323 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:44:39,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:44:39,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:44:39,330 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:44:39,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:44:39" (1/1) ... [2024-11-04 20:44:39,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f9b3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:39, skipping insertion in model container [2024-11-04 20:44:39,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:44:39" (1/1) ... [2024-11-04 20:44:39,449 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:44:39,830 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_table_init_unbounded_harness_negated.i[4503,4516] [2024-11-04 20:44:39,842 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_table_init_unbounded_harness_negated.i[4563,4576] [2024-11-04 20:44:40,627 WARN 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 20:44:40,766 WARN 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 20:44:40,767 WARN 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 20:44:40,768 WARN 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 20:44:40,779 WARN 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 20:44:40,781 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:40,782 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:40,782 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:40,782 WARN 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 20:44:40,783 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:40,783 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:40,785 WARN 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 20:44:40,786 WARN 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 20:44:40,788 WARN 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 20:44:40,788 WARN 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 20:44:40,801 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:40,802 WARN 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 20:44:40,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:40,803 WARN 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 20:44:40,804 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:40,804 WARN 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 20:44:40,804 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:40,805 WARN 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 20:44:40,806 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:40,807 WARN 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 20:44:40,807 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:40,807 WARN 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 20:44:40,808 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:40,808 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,198 WARN 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 20:44:41,199 WARN 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 20:44:41,200 WARN 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 20:44:41,201 WARN 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 20:44:41,352 WARN 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 20:44:41,555 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 20:44:41,568 WARN 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 20:44:41,579 WARN 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 20:44:41,600 WARN 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 20:44:41,606 WARN 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 20:44:41,612 WARN 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 20:44:41,624 WARN 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 20:44:41,628 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:41,651 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,652 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,679 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,683 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,698 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,699 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,716 WARN 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 20:44:41,717 WARN 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 20:44:41,725 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,726 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,726 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,727 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,727 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,728 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,728 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,730 WARN 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 20:44:41,759 WARN 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 20:44:41,762 WARN 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 20:44:41,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:44:41,839 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:44:41,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:44:41,899 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_table_init_unbounded_harness_negated.i[4503,4516] [2024-11-04 20:44:41,900 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_table_init_unbounded_harness_negated.i[4563,4576] [2024-11-04 20:44:41,928 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:41,936 WARN 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 20:44:41,936 WARN 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 20:44:41,940 WARN 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 20:44:41,948 WARN 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 20:44:41,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,949 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,949 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,949 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 20:44:41,949 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,950 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,951 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 20:44:41,951 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 20:44:41,952 WARN 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 20:44:41,952 WARN 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 20:44:41,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,955 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:41,955 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,955 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:41,956 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,956 WARN 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 20:44:41,956 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,956 WARN 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 20:44:41,957 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,958 WARN 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 20:44:41,958 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,958 WARN 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 20:44:41,958 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,958 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:41,991 WARN 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 20:44:41,991 WARN 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 20:44:41,992 WARN 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 20:44:41,992 WARN 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 20:44:42,015 WARN 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 20:44:42,048 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:42,052 WARN 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 20:44:42,058 WARN 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 20:44:42,069 WARN 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 20:44:42,074 WARN 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 20:44:42,078 WARN 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 20:44:42,088 WARN 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 20:44:42,095 WARN 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 20:44:42,102 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,103 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,114 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,115 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,117 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,117 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,126 WARN 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 20:44:42,126 WARN 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 20:44:42,127 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,128 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,128 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,128 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,129 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,129 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,131 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,132 WARN 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 20:44:42,141 WARN 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 20:44:42,143 WARN 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 20:44:42,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:44:42,173 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:44:42,188 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_table_init_unbounded_harness_negated.i[4503,4516] [2024-11-04 20:44:42,189 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_table_init_unbounded_harness_negated.i[4563,4576] [2024-11-04 20:44:42,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,223 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,224 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,224 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,224 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,231 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,231 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,293 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7544-7555] [2024-11-04 20:44:42,359 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,360 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,374 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,375 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,380 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,381 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,388 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,389 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,389 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,390 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,390 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,391 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,391 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:42,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:44:42,765 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_array_list_ensure_capacity [2024-11-04 20:44:42,774 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:44:42,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:42 WrapperNode [2024-11-04 20:44:42,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:44:42,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:44:42,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:44:42,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:44:42,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:42" (1/1) ... [2024-11-04 20:44:42,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:42" (1/1) ... [2024-11-04 20:44:43,006 INFO L138 Inliner]: procedures = 785, calls = 2425, calls flagged for inlining = 67, calls inlined = 11, statements flattened = 772 [2024-11-04 20:44:43,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:44:43,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:44:43,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:44:43,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:44:43,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:42" (1/1) ... [2024-11-04 20:44:43,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:42" (1/1) ... [2024-11-04 20:44:43,040 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:42" (1/1) ... [2024-11-04 20:44:43,144 INFO L175 MemorySlicer]: Split 310 memory accesses to 9 slices as follows [2, 238, 4, 2, 5, 24, 3, 26, 6]. 77 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 6, 0, 0, 5, 0, 0, 0, 0]. The 259 writes are split as follows [0, 232, 1, 1, 0, 11, 1, 11, 2]. [2024-11-04 20:44:43,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:42" (1/1) ... [2024-11-04 20:44:43,145 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:42" (1/1) ... [2024-11-04 20:44:43,209 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:42" (1/1) ... [2024-11-04 20:44:43,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:42" (1/1) ... [2024-11-04 20:44:43,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:42" (1/1) ... [2024-11-04 20:44:43,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:42" (1/1) ... [2024-11-04 20:44:43,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:44:43,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:44:43,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:44:43,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:44:43,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:42" (1/1) ... [2024-11-04 20:44:43,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:44:43,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:44:43,316 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 20:44:43,319 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 20:44:43,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-04 20:44:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-04 20:44:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-04 20:44:43,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-04 20:44:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-04 20:44:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-04 20:44:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-04 20:44:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-04 20:44:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-04 20:44:43,349 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 20:44:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 20:44:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 20:44:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 20:44:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:44:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:44:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2024-11-04 20:44:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2024-11-04 20:44:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:44:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:44:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 20:44:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 20:44:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 20:44:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 20:44:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 20:44:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 20:44:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-04 20:44:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-04 20:44:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-04 20:44:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:44:43,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:44:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-04 20:44:43,351 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-04 20:44:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 20:44:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 20:44:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 20:44:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 20:44:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 20:44:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 20:44:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-04 20:44:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-04 20:44:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-04 20:44:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 20:44:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-04 20:44:43,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-04 20:44:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 20:44:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 20:44:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 20:44:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 20:44:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 20:44:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 20:44:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-04 20:44:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-04 20:44:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-04 20:44:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 20:44:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 20:44:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 20:44:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 20:44:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 20:44:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 20:44:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-04 20:44:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-04 20:44:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-04 20:44:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2024-11-04 20:44:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2024-11-04 20:44:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2024-11-04 20:44:43,355 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2024-11-04 20:44:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 20:44:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 20:44:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 20:44:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 20:44:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 20:44:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 20:44:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 20:44:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-04 20:44:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-04 20:44:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-04 20:44:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 20:44:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 20:44:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 20:44:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 20:44:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 20:44:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-04 20:44:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-04 20:44:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-04 20:44:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-04 20:44:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-04 20:44:43,356 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-04 20:44:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2024-11-04 20:44:43,356 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2024-11-04 20:44:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2024-11-04 20:44:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2024-11-04 20:44:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 20:44:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 20:44:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 20:44:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 20:44:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 20:44:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 20:44:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-04 20:44:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-04 20:44:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-04 20:44:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-04 20:44:43,357 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-04 20:44:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-04 20:44:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-04 20:44:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-04 20:44:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-04 20:44:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-04 20:44:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-04 20:44:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-04 20:44:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-04 20:44:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-04 20:44:43,358 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:44:43,359 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:44:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 20:44:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 20:44:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 20:44:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 20:44:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 20:44:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 20:44:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-04 20:44:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-04 20:44:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-04 20:44:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2024-11-04 20:44:43,360 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2024-11-04 20:44:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 20:44:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 20:44:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 20:44:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 20:44:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 20:44:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-04 20:44:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-04 20:44:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-04 20:44:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-04 20:44:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 20:44:43,361 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 20:44:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-04 20:44:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-04 20:44:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-04 20:44:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-04 20:44:43,364 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2024-11-04 20:44:43,364 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2024-11-04 20:44:43,761 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:44:43,764 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:45:03,463 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2024-11-04 20:45:03,544 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live. [2024-11-04 20:45:03,544 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:45:03,560 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:45:03,560 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-04 20:45:03,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:45:03 BoogieIcfgContainer [2024-11-04 20:45:03,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:45:03,563 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:45:03,563 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:45:03,566 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:45:03,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:44:39" (1/3) ... [2024-11-04 20:45:03,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0ab1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:45:03, skipping insertion in model container [2024-11-04 20:45:03,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:42" (2/3) ... [2024-11-04 20:45:03,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0ab1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:45:03, skipping insertion in model container [2024-11-04 20:45:03,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:45:03" (3/3) ... [2024-11-04 20:45:03,570 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_init_unbounded_harness_negated.i [2024-11-04 20:45:03,586 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:45:03,586 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:45:03,660 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:45:03,671 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;@27b6dadb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:45:03,671 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:45:03,676 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 101 states have (on average 1.2277227722772277) internal successors, (124), 101 states have internal predecessors, (124), 35 states have call successors, (35), 18 states have call predecessors, (35), 18 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-04 20:45:03,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-04 20:45:03,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:45:03,689 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:45:03,689 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:45:03,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:45:03,695 INFO L85 PathProgramCache]: Analyzing trace with hash -565780175, now seen corresponding path program 1 times [2024-11-04 20:45:03,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:45:03,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678385330] [2024-11-04 20:45:03,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:45:03,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:45:03,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:45:03,711 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 20:45:03,712 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 20:45:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:45:11,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:45:11,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:45:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-04 20:45:11,226 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:45:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-04 20:45:13,060 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:45:13,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678385330] [2024-11-04 20:45:13,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [678385330] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:45:13,061 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:45:13,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:45:13,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162733562] [2024-11-04 20:45:13,064 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:45:13,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:45:13,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:45:13,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:45:13,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:45:13,097 INFO L87 Difference]: Start difference. First operand has 155 states, 101 states have (on average 1.2277227722772277) internal successors, (124), 101 states have internal predecessors, (124), 35 states have call successors, (35), 18 states have call predecessors, (35), 18 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-04 20:45:13,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:45:13,137 INFO L93 Difference]: Finished difference Result 299 states and 389 transitions. [2024-11-04 20:45:13,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:45:13,140 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 69 [2024-11-04 20:45:13,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:45:13,147 INFO L225 Difference]: With dead ends: 299 [2024-11-04 20:45:13,147 INFO L226 Difference]: Without dead ends: 148 [2024-11-04 20:45:13,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 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 20:45:13,157 INFO L432 NwaCegarLoop]: 190 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, 190 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 20:45:13,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 20:45:13,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-04 20:45:13,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-04 20:45:13,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 94 states have (on average 1.2127659574468086) internal successors, (114), 95 states have internal predecessors, (114), 35 states have call successors, (35), 18 states have call predecessors, (35), 18 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-04 20:45:13,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 183 transitions. [2024-11-04 20:45:13,204 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 183 transitions. Word has length 69 [2024-11-04 20:45:13,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:45:13,205 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 183 transitions. [2024-11-04 20:45:13,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-04 20:45:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 183 transitions. [2024-11-04 20:45:13,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-04 20:45:13,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:45:13,208 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:45:13,220 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 20:45:13,409 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 20:45:13,409 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:45:13,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:45:13,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1703125707, now seen corresponding path program 1 times [2024-11-04 20:45:13,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:45:13,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393803984] [2024-11-04 20:45:13,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:45:13,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:45:13,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:45:13,413 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 20:45:13,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-04 20:45:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:45:20,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 2390 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 20:45:20,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:45:20,815 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-04 20:45:20,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:45:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-04 20:45:23,572 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:45:23,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393803984] [2024-11-04 20:45:23,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [393803984] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:45:23,573 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:45:23,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-04 20:45:23,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53436598] [2024-11-04 20:45:23,573 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:45:23,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 20:45:23,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:45:23,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 20:45:23,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:45:23,576 INFO L87 Difference]: Start difference. First operand 148 states and 183 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-04 20:45:24,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:45:24,918 INFO L93 Difference]: Finished difference Result 275 states and 337 transitions. [2024-11-04 20:45:24,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-04 20:45:24,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 69 [2024-11-04 20:45:24,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:45:24,921 INFO L225 Difference]: With dead ends: 275 [2024-11-04 20:45:24,921 INFO L226 Difference]: Without dead ends: 151 [2024-11-04 20:45:24,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:45:24,925 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 2 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-04 20:45:24,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 882 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-04 20:45:24,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-04 20:45:24,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-04 20:45:24,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 97 states have (on average 1.1958762886597938) internal successors, (116), 98 states have internal predecessors, (116), 35 states have call successors, (35), 18 states have call predecessors, (35), 18 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-04 20:45:24,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 185 transitions. [2024-11-04 20:45:24,946 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 185 transitions. Word has length 69 [2024-11-04 20:45:24,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:45:24,947 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 185 transitions. [2024-11-04 20:45:24,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-04 20:45:24,947 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 185 transitions. [2024-11-04 20:45:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-04 20:45:24,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:45:24,949 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:45:24,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-04 20:45:25,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:45:25,151 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:45:25,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:45:25,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1805776081, now seen corresponding path program 1 times [2024-11-04 20:45:25,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:45:25,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [739290816] [2024-11-04 20:45:25,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:45:25,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:45:25,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:45:25,154 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:45:25,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-04 20:45:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:45:31,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 2392 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-04 20:45:31,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:45:31,987 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-04 20:45:31,987 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:45:33,808 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-04 20:45:33,809 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:45:33,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [739290816] [2024-11-04 20:45:33,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [739290816] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:45:33,809 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:45:33,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2024-11-04 20:45:33,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14333017] [2024-11-04 20:45:33,810 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:45:33,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-04 20:45:33,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:45:33,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-04 20:45:33,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-04 20:45:33,812 INFO L87 Difference]: Start difference. First operand 151 states and 185 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-04 20:45:38,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 20:45:42,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 20:45:46,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 20:45:50,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 20:45:50,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:45:50,540 INFO L93 Difference]: Finished difference Result 271 states and 328 transitions. [2024-11-04 20:45:50,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 20:45:50,620 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 70 [2024-11-04 20:45:50,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:45:50,623 INFO L225 Difference]: With dead ends: 271 [2024-11-04 20:45:50,623 INFO L226 Difference]: Without dead ends: 153 [2024-11-04 20:45:50,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-04 20:45:50,625 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2024-11-04 20:45:50,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 538 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 4 Unknown, 0 Unchecked, 16.7s Time] [2024-11-04 20:45:50,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-04 20:45:50,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-04 20:45:50,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 99 states have (on average 1.1919191919191918) internal successors, (118), 100 states have internal predecessors, (118), 35 states have call successors, (35), 18 states have call predecessors, (35), 18 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-04 20:45:50,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 187 transitions. [2024-11-04 20:45:50,638 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 187 transitions. Word has length 70 [2024-11-04 20:45:50,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:45:50,639 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 187 transitions. [2024-11-04 20:45:50,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-04 20:45:50,639 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 187 transitions. [2024-11-04 20:45:50,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-04 20:45:50,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:45:50,641 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:45:50,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-04 20:45:50,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:45:50,842 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:45:50,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:45:50,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1624488532, now seen corresponding path program 1 times [2024-11-04 20:45:50,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:45:50,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616474716] [2024-11-04 20:45:50,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:45:50,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:45:50,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:45:50,845 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:45:50,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-04 20:45:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:45:57,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-04 20:45:57,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:45:57,854 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-04 20:45:57,854 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:46:00,188 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-04 20:46:00,188 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:46:00,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616474716] [2024-11-04 20:46:00,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1616474716] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:46:00,188 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:46:00,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2024-11-04 20:46:00,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958419208] [2024-11-04 20:46:00,189 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:46:00,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-04 20:46:00,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:46:00,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-04 20:46:00,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-04 20:46:00,190 INFO L87 Difference]: Start difference. First operand 153 states and 187 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-04 20:46:00,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:46:00,507 INFO L93 Difference]: Finished difference Result 184 states and 221 transitions. [2024-11-04 20:46:00,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-04 20:46:00,508 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 72 [2024-11-04 20:46:00,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:46:00,510 INFO L225 Difference]: With dead ends: 184 [2024-11-04 20:46:00,510 INFO L226 Difference]: Without dead ends: 156 [2024-11-04 20:46:00,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-04 20:46:00,511 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-04 20:46:00,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 538 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-04 20:46:00,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-04 20:46:00,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-04 20:46:00,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 101 states have (on average 1.188118811881188) internal successors, (120), 102 states have internal predecessors, (120), 35 states have call successors, (35), 18 states have call predecessors, (35), 19 states have return successors, (35), 35 states have call predecessors, (35), 34 states have call successors, (35) [2024-11-04 20:46:00,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 190 transitions. [2024-11-04 20:46:00,523 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 190 transitions. Word has length 72 [2024-11-04 20:46:00,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:46:00,523 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 190 transitions. [2024-11-04 20:46:00,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-04 20:46:00,524 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2024-11-04 20:46:00,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-04 20:46:00,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:46:00,525 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:46:00,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-04 20:46:00,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:46:00,726 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:46:00,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:46:00,727 INFO L85 PathProgramCache]: Analyzing trace with hash -426558420, now seen corresponding path program 1 times [2024-11-04 20:46:00,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:46:00,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994014368] [2024-11-04 20:46:00,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:46:00,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:46:00,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:46:00,730 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:46:00,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-04 20:46:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:46:07,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 2370 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-04 20:46:07,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:46:09,674 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-04 20:46:09,674 INFO L311 TraceCheckSpWp]: Computing backward predicates...