./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0d1c98d3f3f6048edf6fc6a4bde9d45bc6c20f873b6422e14aa69ea72b3ec195 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 03:08:56,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 03:08:56,238 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 03:08:56,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 03:08:56,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 03:08:56,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 03:08:56,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 03:08:56,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 03:08:56,266 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 03:08:56,266 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 03:08:56,266 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 03:08:56,267 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 03:08:56,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 03:08:56,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 03:08:56,267 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 03:08:56,267 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 03:08:56,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 03:08:56,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 03:08:56,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 03:08:56,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 03:08:56,268 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:08:56,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 03:08:56,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 03:08:56,269 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d1c98d3f3f6048edf6fc6a4bde9d45bc6c20f873b6422e14aa69ea72b3ec195 [2025-03-04 03:08:56,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 03:08:56,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 03:08:56,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 03:08:56,483 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 03:08:56,483 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 03:08:56,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i [2025-03-04 03:08:57,576 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ecff269d/315937a9a42a44bf9e28a2fd6538fbf0/FLAGe563d4796 [2025-03-04 03:08:58,076 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 03:08:58,078 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i [2025-03-04 03:08:58,104 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ecff269d/315937a9a42a44bf9e28a2fd6538fbf0/FLAGe563d4796 [2025-03-04 03:08:58,141 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ecff269d/315937a9a42a44bf9e28a2fd6538fbf0 [2025-03-04 03:08:58,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 03:08:58,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 03:08:58,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 03:08:58,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 03:08:58,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 03:08:58,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:08:58" (1/1) ... [2025-03-04 03:08:58,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad14e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:08:58, skipping insertion in model container [2025-03-04 03:08:58,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 03:08:58" (1/1) ... [2025-03-04 03:08:58,213 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 03:08:58,419 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i[4499,4512] [2025-03-04 03:08:58,426 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i[4559,4572] [2025-03-04 03:08:58,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:58,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:58,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:58,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:58,857 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:58,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:58,866 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:58,867 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:58,867 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:59,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:59,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:59,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:08:59,341 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 03:08:59,354 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i[4499,4512] [2025-03-04 03:08:59,355 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i[4559,4572] [2025-03-04 03:08:59,390 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:59,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:59,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:59,391 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:59,392 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:59,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:59,399 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:59,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:59,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:59,488 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-03-04 03:08:59,490 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:59,490 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 03:08:59,498 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-03-04 03:08:59,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 03:08:59,653 INFO L204 MainTranslator]: Completed translation [2025-03-04 03:08:59,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:08:59 WrapperNode [2025-03-04 03:08:59,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 03:08:59,654 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 03:08:59,654 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 03:08:59,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 03:08:59,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:08:59" (1/1) ... [2025-03-04 03:08:59,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:08:59" (1/1) ... [2025-03-04 03:08:59,749 INFO L138 Inliner]: procedures = 679, calls = 2730, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 791 [2025-03-04 03:08:59,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 03:08:59,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 03:08:59,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 03:08:59,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 03:08:59,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:08:59" (1/1) ... [2025-03-04 03:08:59,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:08:59" (1/1) ... [2025-03-04 03:08:59,772 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:08:59" (1/1) ... [2025-03-04 03:08:59,820 INFO L175 MemorySlicer]: Split 517 memory accesses to 6 slices as follows [2, 257, 238, 5, 13, 2]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 5, 0, 0]. The 494 writes are split as follows [0, 257, 232, 0, 4, 1]. [2025-03-04 03:08:59,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:08:59" (1/1) ... [2025-03-04 03:08:59,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:08:59" (1/1) ... [2025-03-04 03:08:59,852 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:08:59" (1/1) ... [2025-03-04 03:08:59,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:08:59" (1/1) ... [2025-03-04 03:08:59,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:08:59" (1/1) ... [2025-03-04 03:08:59,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:08:59" (1/1) ... [2025-03-04 03:08:59,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 03:08:59,881 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 03:08:59,881 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 03:08:59,881 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 03:08:59,882 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:08:59" (1/1) ... [2025-03-04 03:08:59,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 03:08:59,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:08:59,924 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) [2025-03-04 03:08:59,929 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 [2025-03-04 03:08:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-04 03:08:59,945 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-04 03:08:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 03:08:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 03:08:59,945 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 03:08:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-04 03:08:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-04 03:08:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-04 03:08:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-04 03:08:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-04 03:08:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-04 03:08:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-04 03:08:59,947 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-04 03:08:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 03:08:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 03:08:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 03:08:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-04 03:08:59,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-04 03:08:59,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-04 03:08:59,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-04 03:08:59,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-04 03:08:59,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-04 03:08:59,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 03:08:59,948 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 03:08:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 03:08:59,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 03:08:59,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 03:08:59,949 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-04 03:08:59,949 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 03:08:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-04 03:08:59,949 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-04 03:08:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 03:08:59,951 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 03:08:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-04 03:08:59,952 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-04 03:08:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 03:08:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 03:08:59,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 03:08:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 03:08:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 03:08:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 03:08:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 03:08:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 03:08:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 03:08:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2025-03-04 03:08:59,953 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2025-03-04 03:08:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 03:08:59,953 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 03:08:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 03:08:59,953 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 03:08:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 03:08:59,953 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 03:08:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 03:08:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 03:08:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 03:08:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 03:08:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 03:08:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 03:08:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-04 03:08:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-04 03:08:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-04 03:08:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-04 03:08:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-04 03:08:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-04 03:08:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 03:08:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 03:08:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 03:08:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 03:08:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 03:08:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 03:09:00,206 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 03:09:00,208 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 03:09:00,230 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 03:09:00,260 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-04 03:09:00,262 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-04 03:09:00,263 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 03:09:00,273 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-04 03:09:00,285 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 03:09:00,290 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913: havoc #t~ret569.base, #t~ret569.offset; [2025-03-04 03:09:00,342 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8953-1: assume false; [2025-03-04 03:09:00,342 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8953-1: assume !false; [2025-03-04 03:09:00,538 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 03:09:07,157 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live. [2025-03-04 03:09:07,158 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 03:09:07,166 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 03:09:07,166 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 03:09:07,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:09:07 BoogieIcfgContainer [2025-03-04 03:09:07,166 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 03:09:07,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 03:09:07,168 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 03:09:07,171 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 03:09:07,171 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 03:08:58" (1/3) ... [2025-03-04 03:09:07,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45cb40a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:09:07, skipping insertion in model container [2025-03-04 03:09:07,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 03:08:59" (2/3) ... [2025-03-04 03:09:07,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45cb40a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 03:09:07, skipping insertion in model container [2025-03-04 03:09:07,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 03:09:07" (3/3) ... [2025-03-04 03:09:07,173 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_array_harness_negated.i [2025-03-04 03:09:07,182 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 03:09:07,183 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_new_from_array_harness_negated.i that has 22 procedures, 158 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-03-04 03:09:07,219 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 03:09:07,227 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;@766bccc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 03:09:07,228 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 03:09:07,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 83 states have (on average 1.1686746987951808) internal successors, (97), 83 states have internal predecessors, (97), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-04 03:09:07,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-04 03:09:07,238 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 03:09:07,238 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 03:09:07,238 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 03:09:07,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 03:09:07,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1766258301, now seen corresponding path program 1 times [2025-03-04 03:09:07,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 03:09:07,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163646096] [2025-03-04 03:09:07,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:09:07,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 03:10:15,370 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 03:10:15,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 03:10:15,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 03:10:15,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 03:10:16,445 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-03-04 03:10:16,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 03:10:16,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163646096] [2025-03-04 03:10:16,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163646096] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 03:10:16,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912564650] [2025-03-04 03:10:16,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 03:10:16,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 03:10:16,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 03:10:16,449 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) [2025-03-04 03:10:16,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process