/root/.sdkman/candidates/java/11.0.12-open/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_linked_list_next_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-tmp.fs.smtinterpol-bv-eval-3dddfdf-m [2024-11-15 16:26:59,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 16:26:59,658 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-15 16:26:59,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 16:26:59,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 16:26:59,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 16:26:59,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 16:26:59,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 16:26:59,684 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-15 16:26:59,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-15 16:26:59,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 16:26:59,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 16:26:59,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 16:26:59,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 16:26:59,686 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 16:26:59,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 16:26:59,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 16:26:59,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 16:26:59,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 16:26:59,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 16:26:59,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 16:26:59,693 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-15 16:26:59,694 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-15 16:26:59,694 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-15 16:26:59,694 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-15 16:26:59,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 16:26:59,695 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 16:26:59,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 16:26:59,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 16:26:59,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-15 16:26:59,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 16:26:59,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 16:26:59,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 16:26:59,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 16:26:59,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 16:26:59,696 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-15 16:26:59,696 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-15 16:26:59,696 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 16:26:59,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-15 16:26:59,697 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-15 16:26:59,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-15 16:26:59,698 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-15 16:26:59,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 16:26:59,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 16:26:59,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 16:26:59,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 16:26:59,978 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 16:26:59,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_linked_list_next_harness_negated.i [2024-11-15 16:27:01,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 16:27:01,523 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 16:27:01,524 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_next_harness_negated.i [2024-11-15 16:27:01,561 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d309562a/1ad6508d9efa40fc89063540400253c7/FLAGf0cb8ea12 [2024-11-15 16:27:01,763 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d309562a/1ad6508d9efa40fc89063540400253c7 [2024-11-15 16:27:01,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 16:27:01,766 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 16:27:01,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 16:27:01,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 16:27:01,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 16:27:01,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 04:27:01" (1/1) ... [2024-11-15 16:27:01,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2a4c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:27:01, skipping insertion in model container [2024-11-15 16:27:01,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 04:27:01" (1/1) ... [2024-11-15 16:27:01,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 16:27:02,083 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_next_harness_negated.i[4494,4507] [2024-11-15 16:27:02,089 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_next_harness_negated.i[4554,4567] [2024-11-15 16:27:02,489 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,561 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,562 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,562 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,573 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:02,577 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:02,577 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:02,579 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,579 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:02,580 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:02,583 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,583 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,584 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,584 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,597 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:02,598 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,598 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:02,598 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,599 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:02,600 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,600 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:02,600 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,603 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:02,603 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,604 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:02,604 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,604 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:02,604 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:02,835 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,836 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,837 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,837 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,928 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:02,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 16:27:02,970 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-15 16:27:02,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 16:27:03,001 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_next_harness_negated.i[4494,4507] [2024-11-15 16:27:03,001 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_next_harness_negated.i[4554,4567] [2024-11-15 16:27:03,023 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,040 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,040 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,040 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,046 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,047 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,047 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,048 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,048 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,048 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,048 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,050 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,050 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,051 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,051 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,054 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,054 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,054 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,055 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,055 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,055 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,056 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,056 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,057 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,057 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,057 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,057 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,058 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,109 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,110 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,110 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,110 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,125 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-15 16:27:03,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 16:27:03,136 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 16:27:03,150 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_next_harness_negated.i[4494,4507] [2024-11-15 16:27:03,151 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_next_harness_negated.i[4554,4567] [2024-11-15 16:27:03,179 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,181 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,181 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,182 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,182 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,186 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,186 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,187 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,187 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,187 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,188 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,188 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,188 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-15 16:27:03,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 16:27:03,325 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_array_list_ensure_capacity [2024-11-15 16:27:03,334 INFO L204 MainTranslator]: Completed translation [2024-11-15 16:27:03,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:27:03 WrapperNode [2024-11-15 16:27:03,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 16:27:03,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 16:27:03,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 16:27:03,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 16:27:03,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:27:03" (1/1) ... [2024-11-15 16:27:03,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:27:03" (1/1) ... [2024-11-15 16:27:03,421 INFO L138 Inliner]: procedures = 687, calls = 1039, calls flagged for inlining = 50, calls inlined = 4, statements flattened = 57 [2024-11-15 16:27:03,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 16:27:03,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 16:27:03,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 16:27:03,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 16:27:03,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:27:03" (1/1) ... [2024-11-15 16:27:03,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:27:03" (1/1) ... [2024-11-15 16:27:03,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:27:03" (1/1) ... [2024-11-15 16:27:03,464 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 6, 4]. 35 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0]. The 2 writes are split as follows [0, 0, 1, 1]. [2024-11-15 16:27:03,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:27:03" (1/1) ... [2024-11-15 16:27:03,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:27:03" (1/1) ... [2024-11-15 16:27:03,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:27:03" (1/1) ... [2024-11-15 16:27:03,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:27:03" (1/1) ... [2024-11-15 16:27:03,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:27:03" (1/1) ... [2024-11-15 16:27:03,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:27:03" (1/1) ... [2024-11-15 16:27:03,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 16:27:03,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 16:27:03,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 16:27:03,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 16:27:03,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:27:03" (1/1) ... [2024-11-15 16:27:03,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 16:27:03,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:27:03,546 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) [2024-11-15 16:27:03,549 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 [2024-11-15 16:27:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-15 16:27:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-15 16:27:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-15 16:27:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-15 16:27:03,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-15 16:27:03,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-15 16:27:03,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-15 16:27:03,590 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2024-11-15 16:27:03,590 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2024-11-15 16:27:03,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 16:27:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-15 16:27:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-15 16:27:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-15 16:27:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-15 16:27:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 16:27:03,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 16:27:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-15 16:27:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-15 16:27:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-15 16:27:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-15 16:27:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-15 16:27:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-15 16:27:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-15 16:27:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-15 16:27:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-15 16:27:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-15 16:27:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-15 16:27:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2024-11-15 16:27:03,593 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2024-11-15 16:27:03,800 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 16:27:03,803 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 16:27:03,989 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-15 16:27:03,989 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 16:27:03,999 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 16:27:03,999 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-15 16:27:04,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 04:27:03 BoogieIcfgContainer [2024-11-15 16:27:04,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 16:27:04,001 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 16:27:04,002 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 16:27:04,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 16:27:04,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 04:27:01" (1/3) ... [2024-11-15 16:27:04,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782b3d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 04:27:04, skipping insertion in model container [2024-11-15 16:27:04,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 04:27:03" (2/3) ... [2024-11-15 16:27:04,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@782b3d5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 04:27:04, skipping insertion in model container [2024-11-15 16:27:04,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 04:27:03" (3/3) ... [2024-11-15 16:27:04,007 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_linked_list_next_harness_negated.i [2024-11-15 16:27:04,041 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 16:27:04,042 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-15 16:27:04,152 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-15 16:27:04,159 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;@29662485, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 16:27:04,159 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 16:27:04,165 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-15 16:27:04,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-15 16:27:04,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:27:04,173 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 16:27:04,174 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:27:04,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:27:04,178 INFO L85 PathProgramCache]: Analyzing trace with hash 401849526, now seen corresponding path program 1 times [2024-11-15 16:27:04,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:27:04,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669580881] [2024-11-15 16:27:04,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:27:04,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:27:04,454 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported internal sort: RoundingMode [2024-11-15 16:27:04,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1222601462] [2024-11-15 16:27:04,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:27:04,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:27:04,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:27:04,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 16:27:04,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-15 16:27:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 16:27:04,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-15 16:27:04,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 16:27:04,591 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 16:27:04,591 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-15 16:27:04,591 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-15 16:27:04,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669580881] [2024-11-15 16:27:04,592 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-15 16:27:04,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222601462] [2024-11-15 16:27:04,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222601462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 16:27:04,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 16:27:04,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 16:27:04,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390921543] [2024-11-15 16:27:04,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 16:27:04,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-15 16:27:04,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-15 16:27:04,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-15 16:27:04,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-15 16:27:04,617 INFO L87 Difference]: Start difference. First operand has 50 states, 32 states have (on average 1.21875) internal successors, (39), 33 states have internal predecessors, (39), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-15 16:27:04,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-15 16:27:04,634 INFO L93 Difference]: Finished difference Result 94 states and 124 transitions. [2024-11-15 16:27:04,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 16:27:04,636 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2024-11-15 16:27:04,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-15 16:27:04,641 INFO L225 Difference]: With dead ends: 94 [2024-11-15 16:27:04,641 INFO L226 Difference]: Without dead ends: 45 [2024-11-15 16:27:04,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-15 16:27:04,646 INFO L432 NwaCegarLoop]: 61 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, 61 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 [2024-11-15 16:27:04,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-15 16:27:04,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-15 16:27:04,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-15 16:27:04,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 29 states have internal predecessors, (33), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-15 16:27:04,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2024-11-15 16:27:04,677 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 28 [2024-11-15 16:27:04,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-15 16:27:04,678 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2024-11-15 16:27:04,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-15 16:27:04,678 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2024-11-15 16:27:04,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-15 16:27:04,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 16:27:04,681 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-15 16:27:04,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-15 16:27:04,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-15 16:27:04,882 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 16:27:04,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 16:27:04,883 INFO L85 PathProgramCache]: Analyzing trace with hash -619218828, now seen corresponding path program 1 times [2024-11-15 16:27:04,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 16:27:04,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774669635] [2024-11-15 16:27:04,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:27:04,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 16:27:04,972 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported internal sort: RoundingMode [2024-11-15 16:27:04,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1012309228] [2024-11-15 16:27:04,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 16:27:04,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 16:27:04,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 16:27:04,977 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-15 16:27:04,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-15 16:27:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-15 16:27:05,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-15 16:27:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-15 16:27:05,277 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-15 16:27:05,278 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-15 16:27:05,278 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-15 16:27:05,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-15 16:27:05,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-15 16:27:05,483 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-15 16:27:05,507 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-15 16:27:05,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 04:27:05 BoogieIcfgContainer [2024-11-15 16:27:05,509 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-15 16:27:05,510 INFO L158 Benchmark]: Toolchain (without parser) took 3743.50ms. Allocated memory was 189.8MB in the beginning and 317.7MB in the end (delta: 127.9MB). Free memory was 111.4MB in the beginning and 193.0MB in the end (delta: -81.6MB). Peak memory consumption was 46.3MB. Max. memory is 8.0GB. [2024-11-15 16:27:05,510 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 189.8MB. Free memory is still 163.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 16:27:05,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1567.12ms. Allocated memory was 189.8MB in the beginning and 317.7MB in the end (delta: 127.9MB). Free memory was 111.2MB in the beginning and 186.2MB in the end (delta: -75.0MB). Peak memory consumption was 54.2MB. Max. memory is 8.0GB. [2024-11-15 16:27:05,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.92ms. Allocated memory is still 317.7MB. Free memory was 186.2MB in the beginning and 180.4MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2024-11-15 16:27:05,511 INFO L158 Benchmark]: Boogie Preprocessor took 82.90ms. Allocated memory is still 317.7MB. Free memory was 180.4MB in the beginning and 175.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-15 16:27:05,511 INFO L158 Benchmark]: RCFGBuilder took 492.99ms. Allocated memory is still 317.7MB. Free memory was 175.7MB in the beginning and 149.0MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2024-11-15 16:27:05,511 INFO L158 Benchmark]: TraceAbstraction took 1507.93ms. Allocated memory is still 317.7MB. Free memory was 148.5MB in the beginning and 193.0MB in the end (delta: -44.6MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 16:27:05,513 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 189.8MB. Free memory is still 163.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1567.12ms. Allocated memory was 189.8MB in the beginning and 317.7MB in the end (delta: 127.9MB). Free memory was 111.2MB in the beginning and 186.2MB in the end (delta: -75.0MB). Peak memory consumption was 54.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 86.92ms. Allocated memory is still 317.7MB. Free memory was 186.2MB in the beginning and 180.4MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 82.90ms. Allocated memory is still 317.7MB. Free memory was 180.4MB in the beginning and 175.7MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 492.99ms. Allocated memory is still 317.7MB. Free memory was 175.7MB in the beginning and 149.0MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1507.93ms. Allocated memory is still 317.7MB. Free memory was 148.5MB in the beginning and 193.0MB in the end (delta: -44.6MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 223]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6903-L6908] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L6903-L6908] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L6903-L6908] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L6903-L6908] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L6903-L6908] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L6903-L6908] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7328] static __thread int tl_last_error = 0; VAL [s_can_fail_allocator_static={4:0}, tl_last_error=0] [L7361] CALL aws_linked_list_next_harness() [L7346] struct aws_linked_list_node node; [L7347] struct aws_linked_list_node after; [L7350] node.next = &after [L7351] after.prev = &node [L7354] CALL aws_linked_list_next(&node) [L4837] CALL, EXPR aws_linked_list_node_next_is_valid(node) VAL [\old(node)={6:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next VAL [\old(node)={6:0}, node={6:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next [L4720] EXPR node->next [L4720] EXPR node && node->next VAL [\old(node)={6:0}, node={6:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next && node->next->prev == node VAL [\old(node)={6:0}, node={6:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next && node->next->prev == node [L4720] EXPR node->next [L4720] EXPR node->next->prev [L4720] EXPR node && node->next && node->next->prev == node VAL [\old(node)={6:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] return node && node->next && node->next->prev == node; [L4837] RET, EXPR aws_linked_list_node_next_is_valid(node) VAL [node={6:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4837] CALL assume_abort_if_not((aws_linked_list_node_next_is_valid(node))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4837] RET assume_abort_if_not((aws_linked_list_node_next_is_valid(node))) VAL [node={6:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4838] EXPR node->next [L4838] struct aws_linked_list_node *rval = node->next; [L4839] CALL, EXPR aws_linked_list_node_next_is_valid(node) VAL [\old(node)={6:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next VAL [\old(node)={6:0}, node={6:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next [L4720] EXPR node->next [L4720] EXPR node && node->next VAL [\old(node)={6:0}, node={6:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next && node->next->prev == node VAL [\old(node)={6:0}, node={6:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next && node->next->prev == node [L4720] EXPR node->next [L4720] EXPR node->next->prev [L4720] EXPR node && node->next && node->next->prev == node VAL [\old(node)={6:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] return node && node->next && node->next->prev == node; [L4839] RET, EXPR aws_linked_list_node_next_is_valid(node) VAL [node={6:0}, rval={18014398509481987:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4839] CALL __VERIFIER_assert(!((aws_linked_list_node_next_is_valid(node)))) VAL [\old(cond)=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L223] COND TRUE !cond VAL [\old(cond)=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L223] reach_error() VAL [\old(cond)=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 61 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 121 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 7/7 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-15 16:27:05,535 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...