./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 02:00:36,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 02:00:36,104 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 02:00:36,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 02:00:36,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 02:00:36,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 02:00:36,124 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 02:00:36,124 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 02:00:36,124 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 02:00:36,124 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 02:00:36,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 02:00:36,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 02:00:36,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 02:00:36,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 02:00:36,125 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 02:00:36,125 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 02:00:36,125 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 02:00:36,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 02:00:36,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 02:00:36,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 02:00:36,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 02:00:36,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 02:00:36,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 02:00:36,125 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 02:00:36,125 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 02:00:36,125 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 02:00:36,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 02:00:36,128 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 02:00:36,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 02:00:36,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:00:36,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 02:00:36,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 02:00:36,128 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 02:00:36,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 02:00:36,128 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 02:00:36,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 02:00:36,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 02:00:36,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 02:00:36,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 02:00:36,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 02:00:36,128 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-jdk21/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 -> bc5ed5fb850d9a2c9d9a14514ffc7939afe81a277edfb59aefd3c5f66024eda8 [2025-02-08 02:00:36,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 02:00:36,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 02:00:36,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 02:00:36,331 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 02:00:36,331 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 02:00:36,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2025-02-08 02:00:37,437 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4a59354be/3260955461464cffb658366ad25f0313/FLAGf3a01584f [2025-02-08 02:00:37,907 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 02:00:37,908 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i [2025-02-08 02:00:37,948 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4a59354be/3260955461464cffb658366ad25f0313/FLAGf3a01584f [2025-02-08 02:00:38,016 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4a59354be/3260955461464cffb658366ad25f0313 [2025-02-08 02:00:38,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 02:00:38,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 02:00:38,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 02:00:38,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 02:00:38,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 02:00:38,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:00:38" (1/1) ... [2025-02-08 02:00:38,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e09eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:38, skipping insertion in model container [2025-02-08 02:00:38,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:00:38" (1/1) ... [2025-02-08 02:00:38,095 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 02:00:38,341 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2025-02-08 02:00:38,350 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2025-02-08 02:00:39,071 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,071 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,071 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,072 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,072 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,080 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,081 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,082 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,082 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,594 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,597 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:00:39,736 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 02:00:39,751 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4499,4512] [2025-02-08 02:00:39,752 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness.i[4559,4572] [2025-02-08 02:00:39,790 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,791 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,791 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,791 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,792 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,842 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,843 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,844 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2025-02-08 02:00:39,938 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,939 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,951 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2025-02-08 02:00:39,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:00:40,155 INFO L204 MainTranslator]: Completed translation [2025-02-08 02:00:40,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:40 WrapperNode [2025-02-08 02:00:40,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 02:00:40,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 02:00:40,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 02:00:40,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 02:00:40,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:40" (1/1) ... [2025-02-08 02:00:40,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:40" (1/1) ... [2025-02-08 02:00:40,273 INFO L138 Inliner]: procedures = 682, calls = 2778, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 818 [2025-02-08 02:00:40,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 02:00:40,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 02:00:40,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 02:00:40,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 02:00:40,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:40" (1/1) ... [2025-02-08 02:00:40,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:40" (1/1) ... [2025-02-08 02:00:40,294 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:40" (1/1) ... [2025-02-08 02:00:40,352 INFO L175 MemorySlicer]: Split 531 memory accesses to 6 slices as follows [2, 6, 257, 238, 16, 12]. 48 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 5, 0, 6, 16, 0]. The 493 writes are split as follows [0, 0, 257, 232, 0, 4]. [2025-02-08 02:00:40,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:40" (1/1) ... [2025-02-08 02:00:40,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:40" (1/1) ... [2025-02-08 02:00:40,374 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:40" (1/1) ... [2025-02-08 02:00:40,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:40" (1/1) ... [2025-02-08 02:00:40,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:40" (1/1) ... [2025-02-08 02:00:40,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:40" (1/1) ... [2025-02-08 02:00:40,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 02:00:40,389 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 02:00:40,389 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 02:00:40,389 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 02:00:40,390 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:40" (1/1) ... [2025-02-08 02:00:40,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:00:40,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:00:40,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 02:00:40,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 02:00:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-08 02:00:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-08 02:00:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-08 02:00:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-08 02:00:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 02:00:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 02:00:40,461 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 02:00:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 02:00:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 02:00:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 02:00:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 02:00:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 02:00:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 02:00:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 02:00:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 02:00:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 02:00:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 02:00:40,462 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 02:00:40,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 02:00:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2025-02-08 02:00:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2025-02-08 02:00:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-08 02:00:40,463 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-08 02:00:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 02:00:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 02:00:40,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 02:00:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-08 02:00:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-08 02:00:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-08 02:00:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 02:00:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 02:00:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 02:00:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-08 02:00:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-08 02:00:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-08 02:00:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2025-02-08 02:00:40,464 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2025-02-08 02:00:40,464 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 02:00:40,465 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 02:00:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 02:00:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 02:00:40,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 02:00:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 02:00:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 02:00:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 02:00:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 02:00:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 02:00:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 02:00:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 02:00:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 02:00:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 02:00:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 02:00:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 02:00:40,466 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 02:00:40,466 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 02:00:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 02:00:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 02:00:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 02:00:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 02:00:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 02:00:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 02:00:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 02:00:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 02:00:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 02:00:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 02:00:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 02:00:40,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 02:00:40,685 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 02:00:40,687 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 02:00:40,731 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 02:00:40,762 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-08 02:00:40,764 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 02:00:40,786 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 02:00:40,887 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-02-08 02:00:47,516 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2025-02-08 02:00:47,516 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 02:00:47,525 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 02:00:47,525 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 02:00:47,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:00:47 BoogieIcfgContainer [2025-02-08 02:00:47,527 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 02:00:47,529 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 02:00:47,529 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 02:00:47,534 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 02:00:47,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 02:00:38" (1/3) ... [2025-02-08 02:00:47,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b45780b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:00:47, skipping insertion in model container [2025-02-08 02:00:47,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:40" (2/3) ... [2025-02-08 02:00:47,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b45780b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 02:00:47, skipping insertion in model container [2025-02-08 02:00:47,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:00:47" (3/3) ... [2025-02-08 02:00:47,537 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness.i [2025-02-08 02:00:47,548 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 02:00:47,552 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_destroy_secure_harness.i that has 18 procedures, 117 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-02-08 02:00:47,601 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 02:00:47,611 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;@1542a4f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 02:00:47,613 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 02:00:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 64 states have internal predecessors, (76), 20 states have call successors, (20), 12 states have call predecessors, (20), 12 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 02:00:47,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-08 02:00:47,625 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:47,625 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-08 02:00:47,626 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 02:00:47,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:47,631 INFO L85 PathProgramCache]: Analyzing trace with hash -200502889, now seen corresponding path program 1 times [2025-02-08 02:00:47,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:47,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551973426] [2025-02-08 02:00:47,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:47,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:01:52,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-08 02:01:53,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-08 02:01:53,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:01:53,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:01:53,725 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-02-08 02:01:53,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:01:53,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551973426] [2025-02-08 02:01:53,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551973426] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 02:01:53,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115712091] [2025-02-08 02:01:53,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:01:53,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 02:01:53,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:01:53,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 02:01:53,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process