./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc 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_negated.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 2c2f07b3e0aa6972fd7ec3621a91e2c0b72d907bfa5004c1888c101ab8ad4836 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:25:21,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:25:21,221 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:25:21,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:25:21,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:25:21,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:25:21,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:25:21,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:25:21,249 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:25:21,249 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:25:21,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:25:21,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:25:21,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:25:21,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:25:21,251 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:25:21,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:25:21,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:25:21,251 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:25:21,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:25:21,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:25:21,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:25:21,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:25:21,252 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:25:21,252 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:25:21,252 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:25:21,252 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:25:21,252 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:25:21,252 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:25:21,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:25:21,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:25:21,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:25:21,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:25:21,253 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:25:21,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:25:21,253 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:25:21,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:25:21,253 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:25:21,253 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:25:21,253 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:25:21,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:25:21,253 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 -> 2c2f07b3e0aa6972fd7ec3621a91e2c0b72d907bfa5004c1888c101ab8ad4836 [2025-02-06 05:25:21,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:25:21,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:25:21,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:25:21,454 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:25:21,455 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:25:21,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i [2025-02-06 05:25:22,597 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0a78c1efc/d9b370a5b4954ccdb148cbda2b634a53/FLAGbb23d0533 [2025-02-06 05:25:23,092 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:25:23,093 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i [2025-02-06 05:25:23,135 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0a78c1efc/d9b370a5b4954ccdb148cbda2b634a53/FLAGbb23d0533 [2025-02-06 05:25:23,163 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0a78c1efc/d9b370a5b4954ccdb148cbda2b634a53 [2025-02-06 05:25:23,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:25:23,167 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:25:23,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:25:23,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:25:23,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:25:23,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:25:23" (1/1) ... [2025-02-06 05:25:23,172 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586d0849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:23, skipping insertion in model container [2025-02-06 05:25:23,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:25:23" (1/1) ... [2025-02-06 05:25:23,242 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:25:23,446 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_negated.i[4499,4512] [2025-02-06 05:25:23,453 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_negated.i[4559,4572] [2025-02-06 05:25:23,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:23,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:23,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:23,897 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:23,898 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:23,911 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:23,913 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:23,914 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:23,918 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:24,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:24,298 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:24,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:25:24,450 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:25:24,460 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_negated.i[4499,4512] [2025-02-06 05:25:24,464 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_negated.i[4559,4572] [2025-02-06 05:25:24,502 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:24,502 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:24,503 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:24,503 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:24,504 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:24,508 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:24,509 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:24,510 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:24,510 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:24,603 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2025-02-06 05:25:24,607 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:24,607 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:25:24,617 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2025-02-06 05:25:24,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:25:24,812 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:25:24,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:24 WrapperNode [2025-02-06 05:25:24,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:25:24,814 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:25:24,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:25:24,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:25:24,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:24" (1/1) ... [2025-02-06 05:25:24,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:24" (1/1) ... [2025-02-06 05:25:24,946 INFO L138 Inliner]: procedures = 682, calls = 2778, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 818 [2025-02-06 05:25:24,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:25:24,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:25:24,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:25:24,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:25:24,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:24" (1/1) ... [2025-02-06 05:25:24,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:24" (1/1) ... [2025-02-06 05:25:24,961 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:24" (1/1) ... [2025-02-06 05:25:25,022 INFO L175 MemorySlicer]: Split 531 memory accesses to 6 slices as follows [2, 257, 238, 16, 6, 12]. 48 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 6, 16, 5, 0]. The 493 writes are split as follows [0, 257, 232, 0, 0, 4]. [2025-02-06 05:25:25,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:24" (1/1) ... [2025-02-06 05:25:25,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:24" (1/1) ... [2025-02-06 05:25:25,053 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:24" (1/1) ... [2025-02-06 05:25:25,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:24" (1/1) ... [2025-02-06 05:25:25,066 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:24" (1/1) ... [2025-02-06 05:25:25,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:24" (1/1) ... [2025-02-06 05:25:25,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:25:25,083 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:25:25,083 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:25:25,083 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:25:25,084 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:24" (1/1) ... [2025-02-06 05:25:25,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:25:25,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:25:25,130 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) [2025-02-06 05:25:25,135 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 [2025-02-06 05:25:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-06 05:25:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-06 05:25:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-06 05:25:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-06 05:25:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:25:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:25:25,152 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:25:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-06 05:25:25,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:25:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:25:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:25:25,153 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-06 05:25:25,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-06 05:25:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-06 05:25:25,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-06 05:25:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2025-02-06 05:25:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2025-02-06 05:25:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-06 05:25:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-06 05:25:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-06 05:25:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-06 05:25:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-06 05:25:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-06 05:25:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-06 05:25:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-06 05:25:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-06 05:25:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-06 05:25:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-06 05:25:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-06 05:25:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-06 05:25:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-06 05:25:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2025-02-06 05:25:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2025-02-06 05:25:25,155 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:25:25,155 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:25:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:25:25,156 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-06 05:25:25,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-06 05:25:25,429 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:25:25,435 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:25:25,467 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-06 05:25:25,496 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-06 05:25:25,497 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:25:25,518 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:25:25,636 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-02-06 05:25:32,151 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2025-02-06 05:25:32,152 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:25:32,159 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:25:32,159 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:25:32,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:25:32 BoogieIcfgContainer [2025-02-06 05:25:32,159 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:25:32,161 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:25:32,161 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:25:32,164 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:25:32,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:25:23" (1/3) ... [2025-02-06 05:25:32,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8a2d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:25:32, skipping insertion in model container [2025-02-06 05:25:32,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:25:24" (2/3) ... [2025-02-06 05:25:32,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8a2d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:25:32, skipping insertion in model container [2025-02-06 05:25:32,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:25:32" (3/3) ... [2025-02-06 05:25:32,166 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness_negated.i [2025-02-06 05:25:32,177 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:25:32,179 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_destroy_secure_harness_negated.i that has 18 procedures, 122 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-02-06 05:25:32,213 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:25:32,221 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;@391757d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:25:32,221 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:25:32,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 69 states have internal predecessors, (81), 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) [2025-02-06 05:25:32,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-06 05:25:32,229 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:25:32,229 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, 1, 1, 1] [2025-02-06 05:25:32,230 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:25:32,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:25:32,233 INFO L85 PathProgramCache]: Analyzing trace with hash 2022999115, now seen corresponding path program 1 times [2025-02-06 05:25:32,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:25:32,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215394785] [2025-02-06 05:25:32,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:25:32,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:26:38,316 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-06 05:26:38,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-06 05:26:38,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:26:38,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:26:39,369 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-02-06 05:26:39,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:26:39,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215394785] [2025-02-06 05:26:39,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215394785] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:26:39,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790545521] [2025-02-06 05:26:39,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:26:39,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:26:39,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:26:39,374 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) [2025-02-06 05:26:39,374 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