./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 e2fb8bed 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-?-e2fb8be-m [2025-03-08 18:20:18,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:20:18,613 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:20:18,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:20:18,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:20:18,641 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:20:18,641 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:20:18,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:20:18,641 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:20:18,641 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:20:18,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:20:18,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:20:18,642 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:20:18,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:20:18,643 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:20:18,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:20:18,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:20:18,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:20:18,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:20:18,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:20:18,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:20:18,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:20:18,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:20:18,644 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:20:18,644 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:20:18,644 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:20:18,644 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:20:18,644 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:20:18,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:20:18,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:20:18,645 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:20:18,645 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:20:18,645 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:20:18,645 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:20:18,645 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:20:18,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:20:18,645 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:20:18,646 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:20:18,646 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:20:18,646 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:20:18,646 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 [2025-03-08 18:20:18,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:20:18,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:20:18,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:20:18,882 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:20:18,882 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:20:18,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2025-03-08 18:20:19,975 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed98b05a8/5e1207fc92a24438b57666c4aad77533/FLAG4d2e5130e [2025-03-08 18:20:20,427 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:20:20,427 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness.i [2025-03-08 18:20:20,466 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed98b05a8/5e1207fc92a24438b57666c4aad77533/FLAG4d2e5130e [2025-03-08 18:20:20,545 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed98b05a8/5e1207fc92a24438b57666c4aad77533 [2025-03-08 18:20:20,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:20:20,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:20:20,550 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:20:20,550 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:20:20,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:20:20,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:20:20" (1/1) ... [2025-03-08 18:20:20,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22835ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:20, skipping insertion in model container [2025-03-08 18:20:20,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:20:20" (1/1) ... [2025-03-08 18:20:20,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:20:20,780 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] [2025-03-08 18:20:20,787 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] [2025-03-08 18:20:21,239 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,239 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,240 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,241 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,250 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,250 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:20:21,744 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:20:21,755 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] [2025-03-08 18:20:21,755 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] [2025-03-08 18:20:21,796 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,796 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,796 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,801 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,801 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,801 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,802 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,917 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-03-08 18:20:21,919 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,919 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:21,930 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-03-08 18:20:21,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:20:22,114 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:20:22,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:22 WrapperNode [2025-03-08 18:20:22,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:20:22,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:20:22,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:20:22,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:20:22,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:22" (1/1) ... [2025-03-08 18:20:22,185 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:22" (1/1) ... [2025-03-08 18:20:22,242 INFO L138 Inliner]: procedures = 679, calls = 2730, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 791 [2025-03-08 18:20:22,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:20:22,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:20:22,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:20:22,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:20:22,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:22" (1/1) ... [2025-03-08 18:20:22,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:22" (1/1) ... [2025-03-08 18:20:22,255 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:22" (1/1) ... [2025-03-08 18:20:22,315 INFO L175 MemorySlicer]: Split 517 memory accesses to 6 slices as follows [2, 13, 257, 238, 5, 2]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 0, 6, 5, 0]. The 494 writes are split as follows [0, 4, 257, 232, 0, 1]. [2025-03-08 18:20:22,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:22" (1/1) ... [2025-03-08 18:20:22,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:22" (1/1) ... [2025-03-08 18:20:22,358 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:22" (1/1) ... [2025-03-08 18:20:22,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:22" (1/1) ... [2025-03-08 18:20:22,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:22" (1/1) ... [2025-03-08 18:20:22,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:22" (1/1) ... [2025-03-08 18:20:22,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:20:22,387 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:20:22,387 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:20:22,388 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:20:22,388 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:22" (1/1) ... [2025-03-08 18:20:22,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:20:22,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:20:22,418 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) [2025-03-08 18:20:22,420 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 [2025-03-08 18:20:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-08 18:20:22,437 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-08 18:20:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:20:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:20:22,438 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:20:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-08 18:20:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-08 18:20:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-08 18:20:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-08 18:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-08 18:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-08 18:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-08 18:20:22,439 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-08 18:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 18:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 18:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 18:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 18:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 18:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 18:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 18:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 18:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 18:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 18:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 18:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 18:20:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 18:20:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 18:20:22,440 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 18:20:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 18:20:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 18:20:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 18:20:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:20:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:20:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:20:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:20:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:20:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:20:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:20:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:20:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:20:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:20:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:20:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:20:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:20:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-08 18:20:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-08 18:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 18:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 18:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 18:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 18:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 18:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 18:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:20:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:20:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:20:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 18:20:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 18:20:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:20:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:20:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-08 18:20:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-08 18:20:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:20:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:20:22,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:20:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:20:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2025-03-08 18:20:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:20:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:20:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:20:22,444 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-08 18:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-08 18:20:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:20:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:20:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:20:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:20:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:20:22,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:20:22,699 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:20:22,701 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:20:22,730 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 18:20:22,771 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-08 18:20:22,773 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-08 18:20:22,774 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:20:22,796 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-08 18:20:22,815 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:20:22,822 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: havoc #t~ret569.base, #t~ret569.offset; [2025-03-08 18:20:22,867 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume false; [2025-03-08 18:20:22,867 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume !false; [2025-03-08 18:20:23,071 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:20:29,879 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live. [2025-03-08 18:20:29,880 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:20:29,887 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:20:29,888 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:20:29,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:20:29 BoogieIcfgContainer [2025-03-08 18:20:29,888 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:20:29,890 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:20:29,890 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:20:29,893 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:20:29,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:20:20" (1/3) ... [2025-03-08 18:20:29,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f420386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:20:29, skipping insertion in model container [2025-03-08 18:20:29,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:22" (2/3) ... [2025-03-08 18:20:29,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f420386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:20:29, skipping insertion in model container [2025-03-08 18:20:29,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:20:29" (3/3) ... [2025-03-08 18:20:29,895 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_array_harness.i [2025-03-08 18:20:29,906 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:20:29,907 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_new_from_array_harness.i that has 22 procedures, 158 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-03-08 18:20:29,951 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:20:29,963 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;@699ff757, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:20:29,964 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:20:29,967 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) [2025-03-08 18:20:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-08 18:20:29,975 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:20:29,975 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] [2025-03-08 18:20:29,976 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:20:29,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:20:29,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1766258301, now seen corresponding path program 1 times [2025-03-08 18:20:29,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:20:29,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959051224] [2025-03-08 18:20:29,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:20:29,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:21:37,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-08 18:21:37,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-08 18:21:37,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:21:37,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:21:38,147 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-03-08 18:21:38,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:21:38,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959051224] [2025-03-08 18:21:38,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959051224] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:21:38,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344371329] [2025-03-08 18:21:38,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:21:38,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:21:38,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:21:38,151 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) [2025-03-08 18:21:38,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process