./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_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_c_str_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 d8feb785efb60d35f9204dc33a12e80ea59efcec5de2b7c2ff320ef29197b0bd --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:20:25,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:20:25,279 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:20:25,284 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:20:25,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:20:25,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:20:25,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:20:25,303 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:20:25,304 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:20:25,304 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:20:25,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:20:25,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:20:25,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:20:25,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:20:25,304 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:20:25,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:20:25,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:20:25,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:20:25,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:20:25,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:20:25,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:20:25,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:20:25,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:20:25,305 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:20:25,305 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:20:25,305 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:20:25,305 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:20:25,306 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:20:25,306 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:20:25,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:20:25,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:20:25,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:20:25,306 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:20:25,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:20:25,306 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:20:25,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:20:25,306 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:20:25,306 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:20:25,307 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:20:25,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:20:25,307 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 -> d8feb785efb60d35f9204dc33a12e80ea59efcec5de2b7c2ff320ef29197b0bd [2025-03-08 18:20:25,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:20:25,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:20:25,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:20:25,537 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:20:25,537 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:20:25,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i [2025-03-08 18:20:26,682 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54abf5caa/a304a70b4980455493db283dfec79585/FLAGaac76a918 [2025-03-08 18:20:27,133 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:20:27,133 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i [2025-03-08 18:20:27,156 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54abf5caa/a304a70b4980455493db283dfec79585/FLAGaac76a918 [2025-03-08 18:20:27,169 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54abf5caa/a304a70b4980455493db283dfec79585 [2025-03-08 18:20:27,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:20:27,172 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:20:27,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:20:27,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:20:27,176 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:20:27,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:20:27" (1/1) ... [2025-03-08 18:20:27,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ec56bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:27, skipping insertion in model container [2025-03-08 18:20:27,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:20:27" (1/1) ... [2025-03-08 18:20:27,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:20:27,384 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_c_str_harness.i[4499,4512] [2025-03-08 18:20:27,389 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_c_str_harness.i[4559,4572] [2025-03-08 18:20:27,860 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,861 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,861 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,278 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,279 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:20:28,397 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:20:28,407 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_c_str_harness.i[4499,4512] [2025-03-08 18:20:28,407 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_c_str_harness.i[4559,4572] [2025-03-08 18:20:28,442 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,444 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,528 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2025-03-08 18:20:28,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,539 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2025-03-08 18:20:28,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:20:28,728 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:20:28,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28 WrapperNode [2025-03-08 18:20:28,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:20:28,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:20:28,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:20:28,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:20:28,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,835 INFO L138 Inliner]: procedures = 679, calls = 2728, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 815 [2025-03-08 18:20:28,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:20:28,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:20:28,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:20:28,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:20:28,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,855 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,908 INFO L175 MemorySlicer]: Split 518 memory accesses to 6 slices as follows [2, 257, 2, 238, 14, 5]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 0, 6, 0, 5]. The 494 writes are split as follows [0, 257, 1, 232, 4, 0]. [2025-03-08 18:20:28,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,944 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:20:28,975 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:20:28,975 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:20:28,975 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:20:28,978 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:20:28,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:20:29,001 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 18:20:29,004 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 18:20:29,020 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-08 18:20:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:20:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-08 18:20:29,021 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:20:29,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 18:20:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 18:20:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 18:20:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 18:20:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 18:20:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 18:20:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:20:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:20:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:20:29,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:20:29,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:20:29,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 18:20:29,025 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:20:29,025 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-08 18:20:29,025 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:20:29,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:20:29,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2025-03-08 18:20:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:20:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:20:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:20:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:20:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:20:29,309 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:20:29,312 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:20:29,343 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 18:20:29,378 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 18:20:29,384 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:20:29,393 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 18:20:29,403 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:20:29,416 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: havoc #t~ret569.base, #t~ret569.offset; [2025-03-08 18:20:29,459 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume false; [2025-03-08 18:20:29,459 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume !false; [2025-03-08 18:20:29,642 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:20:36,085 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8961: havoc aws_string_new_from_c_str_#t~nondet1217#1;havoc aws_string_new_from_c_str_#t~ret1218#1;havoc aws_string_new_from_c_str_#t~ret1219#1.base, aws_string_new_from_c_str_#t~ret1219#1.offset; [2025-03-08 18:20:36,152 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2025-03-08 18:20:36,153 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:20:36,161 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:20:36,161 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:20:36,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:20:36 BoogieIcfgContainer [2025-03-08 18:20:36,161 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:20:36,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:20:36,164 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:20:36,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:20:36,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:20:27" (1/3) ... [2025-03-08 18:20:36,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b664a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:20:36, skipping insertion in model container [2025-03-08 18:20:36,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (2/3) ... [2025-03-08 18:20:36,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b664a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:20:36, skipping insertion in model container [2025-03-08 18:20:36,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:20:36" (3/3) ... [2025-03-08 18:20:36,170 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_c_str_harness.i [2025-03-08 18:20:36,181 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:20:36,183 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_new_from_c_str_harness.i that has 21 procedures, 162 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-03-08 18:20:36,225 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:20:36,234 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;@7a64d8bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:20:36,234 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:20:36,237 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 87 states have (on average 1.160919540229885) internal successors, (101), 87 states have internal predecessors, (101), 34 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-08 18:20:36,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-08 18:20:36,243 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:20:36,244 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1] [2025-03-08 18:20:36,244 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:20:36,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:20:36,248 INFO L85 PathProgramCache]: Analyzing trace with hash -115816801, now seen corresponding path program 1 times [2025-03-08 18:20:36,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:20:36,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088650479] [2025-03-08 18:20:36,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:20:36,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:21:44,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-08 18:21:45,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-08 18:21:45,204 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:21:45,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:21:45,944 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-03-08 18:21:45,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:21:45,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088650479] [2025-03-08 18:21:45,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088650479] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:21:45,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395299128] [2025-03-08 18:21:45,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:21:45,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:21:45,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:21:45,950 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 18:21:45,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process