./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 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.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 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:27:10,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:27:10,511 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:27:10,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:27:10,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:27:10,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:27:10,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:27:10,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:27:10,550 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:27:10,550 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:27:10,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:27:10,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:27:10,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:27:10,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:27:10,552 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:27:10,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:27:10,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:27:10,552 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:27:10,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:27:10,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:27:10,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:27:10,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:27:10,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:27:10,553 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:27:10,553 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:27:10,553 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:27:10,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:27:10,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:27:10,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:27:10,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:27:10,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:27:10,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:27:10,555 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:27:10,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:27:10,555 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:27:10,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:27:10,555 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:27:10,555 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:27:10,555 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:27:10,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:27:10,555 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 -> 364b54724e976c015f9881f66521e5c6d863e13e3a8324ac15c0186b650523fa [2025-03-17 07:27:10,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:27:10,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:27:10,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:27:10,814 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:27:10,815 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:27:10,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2025-03-17 07:27:12,018 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db05241f/91648b504ce443dc9fbda2fe5b6bab23/FLAGe95317fe0 [2025-03-17 07:27:12,460 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:27:12,462 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2025-03-17 07:27:12,492 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db05241f/91648b504ce443dc9fbda2fe5b6bab23/FLAGe95317fe0 [2025-03-17 07:27:12,603 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8db05241f/91648b504ce443dc9fbda2fe5b6bab23 [2025-03-17 07:27:12,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:27:12,607 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:27:12,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:27:12,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:27:12,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:27:12,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:27:12" (1/1) ... [2025-03-17 07:27:12,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b7e090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:12, skipping insertion in model container [2025-03-17 07:27:12,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:27:12" (1/1) ... [2025-03-17 07:27:12,685 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:27:12,908 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.i[4499,4512] [2025-03-17 07:27:12,918 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.i[4559,4572] [2025-03-17 07:27:13,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:13,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:13,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:13,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:13,630 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:13,644 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:13,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:13,646 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:13,646 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:14,134 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:14,135 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:14,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:27:14,246 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:27:14,260 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.i[4499,4512] [2025-03-17 07:27:14,260 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.i[4559,4572] [2025-03-17 07:27:14,300 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:14,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:14,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:14,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:14,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:14,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:14,308 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:14,309 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:14,309 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:14,414 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-03-17 07:27:14,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:14,415 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:27:14,423 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-03-17 07:27:14,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:27:14,613 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:27:14,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:14 WrapperNode [2025-03-17 07:27:14,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:27:14,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:27:14,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:27:14,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:27:14,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:14" (1/1) ... [2025-03-17 07:27:14,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:14" (1/1) ... [2025-03-17 07:27:14,731 INFO L138 Inliner]: procedures = 679, calls = 2730, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 791 [2025-03-17 07:27:14,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:27:14,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:27:14,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:27:14,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:27:14,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:14" (1/1) ... [2025-03-17 07:27:14,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:14" (1/1) ... [2025-03-17 07:27:14,747 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:14" (1/1) ... [2025-03-17 07:27:14,796 INFO L175 MemorySlicer]: Split 517 memory accesses to 6 slices as follows [5, 2, 257, 238, 13, 2]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [5, 2, 0, 6, 0, 0]. The 494 writes are split as follows [0, 0, 257, 232, 4, 1]. [2025-03-17 07:27:14,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:14" (1/1) ... [2025-03-17 07:27:14,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:14" (1/1) ... [2025-03-17 07:27:14,824 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:14" (1/1) ... [2025-03-17 07:27:14,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:14" (1/1) ... [2025-03-17 07:27:14,831 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:14" (1/1) ... [2025-03-17 07:27:14,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:14" (1/1) ... [2025-03-17 07:27:14,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:27:14,848 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:27:14,848 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:27:14,848 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:27:14,848 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:14" (1/1) ... [2025-03-17 07:27:14,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:27:14,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:27:14,893 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) [2025-03-17 07:27:14,899 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 [2025-03-17 07:27:14,917 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-17 07:27:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-17 07:27:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:27:14,918 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:27:14,918 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:27:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-17 07:27:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-17 07:27:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-17 07:27:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-17 07:27:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-17 07:27:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-17 07:27:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-17 07:27:14,920 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-17 07:27:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-17 07:27:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-17 07:27:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-17 07:27:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-17 07:27:14,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-17 07:27:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-17 07:27:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-17 07:27:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-17 07:27:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-17 07:27:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-17 07:27:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:27:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:27:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:27:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:27:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:27:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-17 07:27:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-17 07:27:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:27:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:27:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:27:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:27:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:27:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:27:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-17 07:27:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-17 07:27:14,925 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:27:14,925 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:27:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-17 07:27:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-17 07:27:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:27:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:27:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:27:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:27:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:27:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:27:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:27:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:27:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:27:14,926 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2025-03-17 07:27:14,926 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2025-03-17 07:27:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:27:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:27:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:27:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:27:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:27:14,927 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:27:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:27:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:27:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:27:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:27:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:27:14,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:27:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-17 07:27:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-17 07:27:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-17 07:27:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-17 07:27:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-17 07:27:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-17 07:27:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:27:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:27:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:27:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:27:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:27:14,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:27:15,169 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:27:15,172 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:27:15,219 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:27:15,285 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-17 07:27:15,288 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-17 07:27:15,289 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:27:15,301 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-17 07:27:15,319 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:27:15,325 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: havoc #t~ret569.base, #t~ret569.offset; [2025-03-17 07:27:15,372 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume false; [2025-03-17 07:27:15,373 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume !false; [2025-03-17 07:27:15,614 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:27:22,692 INFO L? ?]: Removed 152 outVars from TransFormulas that were not future-live. [2025-03-17 07:27:22,693 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:27:22,703 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:27:22,705 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:27:22,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:27:22 BoogieIcfgContainer [2025-03-17 07:27:22,706 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:27:22,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:27:22,708 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:27:22,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:27:22,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:27:12" (1/3) ... [2025-03-17 07:27:22,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf0dbbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:27:22, skipping insertion in model container [2025-03-17 07:27:22,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:27:14" (2/3) ... [2025-03-17 07:27:22,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf0dbbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:27:22, skipping insertion in model container [2025-03-17 07:27:22,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:27:22" (3/3) ... [2025-03-17 07:27:22,715 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_array_harness.i [2025-03-17 07:27:22,726 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:27:22,727 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_new_from_array_harness.i that has 22 procedures, 155 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-03-17 07:27:22,773 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:27:22,782 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;@4c713b9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:27:22,783 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:27:22,787 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 80 states have (on average 1.175) internal successors, (94), 80 states have internal predecessors, (94), 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) [2025-03-17 07:27:22,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-17 07:27:22,793 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:27:22,794 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] [2025-03-17 07:27:22,794 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:27:22,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:27:22,799 INFO L85 PathProgramCache]: Analyzing trace with hash 640733838, now seen corresponding path program 1 times [2025-03-17 07:27:22,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:27:22,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661258323] [2025-03-17 07:27:22,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:27:22,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:28:31,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-17 07:28:31,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-17 07:28:31,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:28:31,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:28:32,849 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-03-17 07:28:32,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:28:32,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661258323] [2025-03-17 07:28:32,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661258323] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:28:32,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467646940] [2025-03-17 07:28:32,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:28:32,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:28:32,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:28:32,855 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) [2025-03-17 07:28:32,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process