/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_linked_list_insert_after_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:47:20,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:47:20,511 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 20:47:20,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:47:20,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:47:20,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:47:20,534 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:47:20,534 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:47:20,535 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:47:20,535 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:47:20,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:47:20,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:47:20,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:47:20,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:47:20,537 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:47:20,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:47:20,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:47:20,538 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:47:20,538 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:47:20,538 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:47:20,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:47:20,542 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:47:20,542 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:47:20,542 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:47:20,543 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:47:20,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:47:20,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:47:20,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:47:20,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:47:20,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:47:20,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:47:20,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:47:20,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:47:20,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:47:20,545 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:47:20,545 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:47:20,545 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:47:20,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:47:20,545 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:47:20,546 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:47:20,546 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:47:20,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:47:20,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:47:20,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:47:20,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:47:20,767 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:47:20,768 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:47:20,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_linked_list_insert_after_harness.i [2024-11-04 20:47:22,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:47:22,352 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:47:22,352 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_insert_after_harness.i [2024-11-04 20:47:22,378 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cf817a80/28be4a2009754a30a7b37ef2c952e7bf/FLAG8d149e677 [2024-11-04 20:47:22,392 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cf817a80/28be4a2009754a30a7b37ef2c952e7bf [2024-11-04 20:47:22,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:47:22,396 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:47:22,399 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:47:22,399 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:47:22,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:47:22,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:47:22" (1/1) ... [2024-11-04 20:47:22,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b60f822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:47:22, skipping insertion in model container [2024-11-04 20:47:22,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:47:22" (1/1) ... [2024-11-04 20:47:22,478 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:47:22,709 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_linked_list_insert_after_harness.i[4502,4515] [2024-11-04 20:47:22,719 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_linked_list_insert_after_harness.i[4562,4575] [2024-11-04 20:47:23,347 WARN 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 20:47:23,422 WARN 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 20:47:23,423 WARN 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 20:47:23,423 WARN 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 20:47:23,429 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:47:23,431 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,432 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,432 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,432 WARN 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 20:47:23,432 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,433 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,435 WARN 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 20:47:23,436 WARN 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 20:47:23,437 WARN 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 20:47:23,437 WARN 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 20:47:23,445 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,446 WARN 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 20:47:23,446 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,446 WARN 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 20:47:23,448 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,448 WARN 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 20:47:23,448 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,449 WARN 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 20:47:23,450 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,451 WARN 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 20:47:23,451 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,451 WARN 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 20:47:23,452 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,452 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,703 WARN 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 20:47:23,703 WARN 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 20:47:23,704 WARN 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 20:47:23,705 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:47:23,801 WARN 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 20:47:23,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:47:23,835 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:47:23,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:47:23,854 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_linked_list_insert_after_harness.i[4502,4515] [2024-11-04 20:47:23,854 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_linked_list_insert_after_harness.i[4562,4575] [2024-11-04 20:47:23,872 WARN 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 20:47:23,887 WARN 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 20:47:23,887 WARN 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 20:47:23,890 WARN 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 20:47:23,893 WARN 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 20:47:23,893 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,894 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,894 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,894 WARN 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 20:47:23,894 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,895 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,896 WARN 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 20:47:23,896 WARN 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 20:47:23,897 WARN 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 20:47:23,897 WARN 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 20:47:23,901 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,901 WARN 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 20:47:23,901 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,901 WARN 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 20:47:23,902 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,902 WARN 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 20:47:23,902 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,903 WARN 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 20:47:23,903 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,904 WARN 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 20:47:23,904 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,904 WARN 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 20:47:23,904 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,904 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:23,940 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 20:47:23,941 WARN 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 20:47:23,941 WARN 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 20:47:23,941 WARN 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 20:47:23,967 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:47:23,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:47:23,981 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:47:23,997 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_linked_list_insert_after_harness.i[4502,4515] [2024-11-04 20:47:23,998 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_linked_list_insert_after_harness.i[4562,4575] [2024-11-04 20:47:24,040 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:24,041 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:24,041 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:24,043 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:24,043 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:24,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:24,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:24,052 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:24,052 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:24,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:24,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:24,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:24,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:47:24,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:47:24,299 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_array_list_ensure_capacity [2024-11-04 20:47:24,307 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:47:24,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:47:24 WrapperNode [2024-11-04 20:47:24,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:47:24,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:47:24,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:47:24,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:47:24,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:47:24" (1/1) ... [2024-11-04 20:47:24,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:47:24" (1/1) ... [2024-11-04 20:47:24,402 INFO L138 Inliner]: procedures = 687, calls = 1048, calls flagged for inlining = 50, calls inlined = 4, statements flattened = 77 [2024-11-04 20:47:24,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:47:24,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:47:24,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:47:24,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:47:24,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:47:24" (1/1) ... [2024-11-04 20:47:24,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:47:24" (1/1) ... [2024-11-04 20:47:24,424 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:47:24" (1/1) ... [2024-11-04 20:47:24,449 INFO L175 MemorySlicer]: Split 24 memory accesses to 3 slices as follows [2, 5, 17]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 6 writes are split as follows [0, 0, 6]. [2024-11-04 20:47:24,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:47:24" (1/1) ... [2024-11-04 20:47:24,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:47:24" (1/1) ... [2024-11-04 20:47:24,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:47:24" (1/1) ... [2024-11-04 20:47:24,467 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:47:24" (1/1) ... [2024-11-04 20:47:24,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:47:24" (1/1) ... [2024-11-04 20:47:24,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:47:24" (1/1) ... [2024-11-04 20:47:24,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:47:24,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:47:24,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:47:24,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:47:24,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:47:24" (1/1) ... [2024-11-04 20:47:24,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:47:24,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:47:24,520 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 20:47:24,524 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 20:47:24,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 20:47:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 20:47:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 20:47:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 20:47:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:47:24,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:47:24,550 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2024-11-04 20:47:24,551 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2024-11-04 20:47:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:47:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 20:47:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 20:47:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 20:47:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:47:24,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:47:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:47:24,551 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:47:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 20:47:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 20:47:24,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 20:47:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 20:47:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 20:47:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 20:47:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 20:47:24,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2024-11-04 20:47:24,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2024-11-04 20:47:24,801 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:47:24,803 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:47:25,412 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-04 20:47:25,412 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:47:25,423 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:47:25,423 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-04 20:47:25,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:47:25 BoogieIcfgContainer [2024-11-04 20:47:25,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:47:25,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:47:25,426 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:47:25,428 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:47:25,428 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:47:22" (1/3) ... [2024-11-04 20:47:25,428 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3913f096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:47:25, skipping insertion in model container [2024-11-04 20:47:25,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:47:24" (2/3) ... [2024-11-04 20:47:25,429 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3913f096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:47:25, skipping insertion in model container [2024-11-04 20:47:25,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:47:25" (3/3) ... [2024-11-04 20:47:25,430 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_linked_list_insert_after_harness.i [2024-11-04 20:47:25,442 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:47:25,443 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:47:25,494 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:47:25,499 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;@393d3e29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:47:25,500 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:47:25,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 38 states have internal predecessors, (44), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-04 20:47:25,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-04 20:47:25,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:47:25,509 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:47:25,510 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:47:25,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:47:25,515 INFO L85 PathProgramCache]: Analyzing trace with hash 901746988, now seen corresponding path program 1 times [2024-11-04 20:47:25,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:47:25,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2089310137] [2024-11-04 20:47:25,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:47:25,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:47:25,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:47:25,531 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 20:47:25,532 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 20:47:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:47:25,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:47:25,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:47:25,776 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-04 20:47:25,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:47:25,804 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-04 20:47:25,805 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:47:25,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2089310137] [2024-11-04 20:47:25,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2089310137] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:47:25,805 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:47:25,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:47:25,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238457128] [2024-11-04 20:47:25,808 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:47:25,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:47:25,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:47:25,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:47:25,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:47:25,828 INFO L87 Difference]: Start difference. First operand has 63 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 38 states have internal predecessors, (44), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-04 20:47:25,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:47:25,847 INFO L93 Difference]: Finished difference Result 122 states and 174 transitions. [2024-11-04 20:47:25,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:47:25,850 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 34 [2024-11-04 20:47:25,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:47:25,858 INFO L225 Difference]: With dead ends: 122 [2024-11-04 20:47:25,858 INFO L226 Difference]: Without dead ends: 58 [2024-11-04 20:47:25,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 66 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 20:47:25,864 INFO L432 NwaCegarLoop]: 82 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, 82 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 20:47:25,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 20:47:25,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-04 20:47:25,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-04 20:47:25,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 34 states have internal predecessors, (38), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-04 20:47:25,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2024-11-04 20:47:25,903 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 77 transitions. Word has length 34 [2024-11-04 20:47:25,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:47:25,906 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 77 transitions. [2024-11-04 20:47:25,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-04 20:47:25,908 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2024-11-04 20:47:25,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-04 20:47:25,909 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:47:25,909 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:47:25,912 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 20:47:26,109 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 20:47:26,110 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:47:26,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:47:26,111 INFO L85 PathProgramCache]: Analyzing trace with hash 99533352, now seen corresponding path program 1 times [2024-11-04 20:47:26,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:47:26,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2032793758] [2024-11-04 20:47:26,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:47:26,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:47:26,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:47:26,113 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 20:47:26,114 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 20:47:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:47:26,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-04 20:47:26,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:47:26,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2024-11-04 20:47:26,737 INFO L349 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2024-11-04 20:47:26,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2024-11-04 20:47:26,774 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-04 20:47:26,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2024-11-04 20:47:30,848 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_1| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_1|) (_ bv0 64)) |v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_1|))) is different from true [2024-11-04 20:47:35,025 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_2| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_2|) (_ bv0 64)) |v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_2|))) is different from true [2024-11-04 20:47:39,136 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_3| (_ BitVec 64))) (not (= (select (select |c_#memory_$Pointer$#2.base| |v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_3|) (_ bv0 64)) |v_ULTIMATE.start_aws_linked_list_insert_after_~after#1.base_BEFORE_CALL_3|))) is different from true [2024-11-04 20:47:39,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-04 20:47:39,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 149 treesize of output 133 [2024-11-04 20:47:39,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-04 20:47:39,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 80 [2024-11-04 20:47:39,555 INFO L349 Elim1Store]: treesize reduction 103, result has 16.3 percent of original size [2024-11-04 20:47:39,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 164 treesize of output 135 [2024-11-04 20:47:39,620 INFO L349 Elim1Store]: treesize reduction 76, result has 10.6 percent of original size [2024-11-04 20:47:39,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 160 treesize of output 85 [2024-11-04 20:47:39,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-04 20:47:39,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 43 [2024-11-04 20:47:39,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 19 [2024-11-04 20:47:39,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2024-11-04 20:47:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 8 not checked. [2024-11-04 20:47:40,972 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:47:44,051 INFO L349 Elim1Store]: treesize reduction 98, result has 45.9 percent of original size [2024-11-04 20:47:44,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 244 treesize of output 271 [2024-11-04 20:47:44,152 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-04 20:47:44,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1869 treesize of output 1849 [2024-11-04 20:47:44,288 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-04 20:47:44,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 346 treesize of output 348 [2024-11-04 20:47:44,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-04 20:47:44,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-11-04 20:47:44,436 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-04 20:47:44,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2024-11-04 20:47:44,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 444 treesize of output 428 [2024-11-04 20:47:45,097 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-04 20:47:45,098 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:47:45,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2032793758] [2024-11-04 20:47:45,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2032793758] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 20:47:45,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 20:47:45,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2024-11-04 20:47:45,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378228289] [2024-11-04 20:47:45,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 20:47:45,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-04 20:47:45,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:47:45,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-04 20:47:45,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=332, Unknown=3, NotChecked=114, Total=506 [2024-11-04 20:47:45,101 INFO L87 Difference]: Start difference. First operand 58 states and 77 transitions. Second operand has 10 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-04 20:47:49,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:47:49,067 INFO L93 Difference]: Finished difference Result 69 states and 92 transitions. [2024-11-04 20:47:49,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-04 20:47:49,068 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2024-11-04 20:47:49,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:47:49,071 INFO L225 Difference]: With dead ends: 69 [2024-11-04 20:47:49,072 INFO L226 Difference]: Without dead ends: 67 [2024-11-04 20:47:49,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 42 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=69, Invalid=446, Unknown=3, NotChecked=132, Total=650 [2024-11-04 20:47:49,073 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 11 mSDsluCounter, 396 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-04 20:47:49,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 462 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-04 20:47:49,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-04 20:47:49,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2024-11-04 20:47:49,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 38 states have (on average 1.131578947368421) internal successors, (43), 40 states have internal predecessors, (43), 21 states have call successors, (21), 5 states have call predecessors, (21), 6 states have return successors, (25), 20 states have call predecessors, (25), 20 states have call successors, (25) [2024-11-04 20:47:49,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 89 transitions. [2024-11-04 20:47:49,092 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 89 transitions. Word has length 34 [2024-11-04 20:47:49,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:47:49,093 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 89 transitions. [2024-11-04 20:47:49,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-04 20:47:49,093 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2024-11-04 20:47:49,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-04 20:47:49,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:47:49,094 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:47:49,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-04 20:47:49,296 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 20:47:49,296 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:47:49,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:47:49,297 INFO L85 PathProgramCache]: Analyzing trace with hash -709813274, now seen corresponding path program 1 times [2024-11-04 20:47:49,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:47:49,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804118198] [2024-11-04 20:47:49,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:47:49,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:47:49,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:47:49,299 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 20:47:49,300 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 20:47:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:47:49,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-04 20:47:49,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:47:53,143 INFO L349 Elim1Store]: treesize reduction 420, result has 34.1 percent of original size [2024-11-04 20:47:53,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 430 treesize of output 1059 [2024-11-04 20:47:53,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 641 treesize of output 565 [2024-11-04 20:47:54,007 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-04 20:47:55,256 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-04 20:47:55,339 INFO L224 Elim1Store]: Index analysis took 2054 ms [2024-11-04 20:47:56,085 INFO L349 Elim1Store]: treesize reduction 524, result has 6.6 percent of original size [2024-11-04 20:47:56,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 26 case distinctions, treesize of input 223 treesize of output 425 [2024-11-04 20:47:56,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 19 [2024-11-04 20:48:05,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2628 treesize of output 1912 [2024-11-04 20:48:06,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2619 treesize of output 1903 [2024-11-04 20:48:07,494 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:48:07,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [804118198] [2024-11-04 20:48:07,495 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-04 20:48:07,500 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 20:48:07,695 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 20:48:07,696 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: no need to replace index at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructReplacementForSelectCase(DerPreprocessor.java:331) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructDerEnabler(DerPreprocessor.java:186) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.(DerPreprocessor.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:153) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:172) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:122) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:108) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:93) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:542) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:521) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:514) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:325) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:195) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:290) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-04 20:48:07,700 INFO L158 Benchmark]: Toolchain (without parser) took 45303.42ms. Allocated memory was 334.5MB in the beginning and 457.2MB in the end (delta: 122.7MB). Free memory was 268.7MB in the beginning and 327.2MB in the end (delta: -58.5MB). Peak memory consumption was 257.6MB. Max. memory is 8.0GB. [2024-11-04 20:48:07,700 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 211.8MB. Free memory is still 160.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-04 20:48:07,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1909.96ms. Allocated memory is still 334.5MB. Free memory was 268.4MB in the beginning and 271.3MB in the end (delta: -3.0MB). Peak memory consumption was 116.0MB. Max. memory is 8.0GB. [2024-11-04 20:48:07,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.03ms. Allocated memory is still 334.5MB. Free memory was 271.3MB in the beginning and 265.6MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2024-11-04 20:48:07,700 INFO L158 Benchmark]: Boogie Preprocessor took 82.54ms. Allocated memory is still 334.5MB. Free memory was 265.6MB in the beginning and 260.9MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2024-11-04 20:48:07,700 INFO L158 Benchmark]: RCFGBuilder took 935.09ms. Allocated memory is still 334.5MB. Free memory was 260.9MB in the beginning and 232.0MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2024-11-04 20:48:07,701 INFO L158 Benchmark]: TraceAbstraction took 42273.67ms. Allocated memory was 334.5MB in the beginning and 457.2MB in the end (delta: 122.7MB). Free memory was 231.5MB in the beginning and 327.2MB in the end (delta: -95.7MB). Peak memory consumption was 219.1MB. Max. memory is 8.0GB. [2024-11-04 20:48:07,702 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 211.8MB. Free memory is still 160.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1909.96ms. Allocated memory is still 334.5MB. Free memory was 268.4MB in the beginning and 271.3MB in the end (delta: -3.0MB). Peak memory consumption was 116.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 93.03ms. Allocated memory is still 334.5MB. Free memory was 271.3MB in the beginning and 265.6MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 82.54ms. Allocated memory is still 334.5MB. Free memory was 265.6MB in the beginning and 260.9MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 935.09ms. Allocated memory is still 334.5MB. Free memory was 260.9MB in the beginning and 232.0MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 42273.67ms. Allocated memory was 334.5MB in the beginning and 457.2MB in the end (delta: 122.7MB). Free memory was 231.5MB in the beginning and 327.2MB in the end (delta: -95.7MB). Peak memory consumption was 219.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: no need to replace index de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: no need to replace index: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.DerPreprocessor.constructReplacementForSelectCase(DerPreprocessor.java:331) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-04 20:48:07,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...