./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 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_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-?-48c9605-m [2025-02-08 02:00:36,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 02:00:36,182 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 02:00:36,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 02:00:36,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 02:00:36,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 02:00:36,205 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 02:00:36,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 02:00:36,206 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 02:00:36,206 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 02:00:36,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 02:00:36,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 02:00:36,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 02:00:36,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 02:00:36,207 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 02:00:36,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 02:00:36,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 02:00:36,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 02:00:36,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 02:00:36,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 02:00:36,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 02:00:36,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 02:00:36,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 02:00:36,208 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 02:00:36,208 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 02:00:36,208 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 02:00:36,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 02:00:36,208 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 02:00:36,208 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 02:00:36,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:00:36,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 02:00:36,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 02:00:36,209 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 02:00:36,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 02:00:36,209 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 02:00:36,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 02:00:36,209 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 02:00:36,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 02:00:36,210 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 02:00:36,210 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 02:00:36,210 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 [2025-02-08 02:00:36,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 02:00:36,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 02:00:36,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 02:00:36,436 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 02:00:36,436 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 02:00:36,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i [2025-02-08 02:00:37,569 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/262a4c718/4c14cc4e9c02486ab587275fd3ecb355/FLAGe4255376a [2025-02-08 02:00:37,993 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 02:00:37,995 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_destroy_secure_harness_negated.i [2025-02-08 02:00:38,034 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/262a4c718/4c14cc4e9c02486ab587275fd3ecb355/FLAGe4255376a [2025-02-08 02:00:38,132 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/262a4c718/4c14cc4e9c02486ab587275fd3ecb355 [2025-02-08 02:00:38,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 02:00:38,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 02:00:38,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 02:00:38,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 02:00:38,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 02:00:38,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:00:38" (1/1) ... [2025-02-08 02:00:38,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1f10d8 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 02:00:38,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 02:00:38" (1/1) ... [2025-02-08 02:00:38,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 02:00:38,428 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] [2025-02-08 02:00:38,433 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] [2025-02-08 02:00:38,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:38,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:38,893 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:38,894 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:38,896 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:38,908 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:38,908 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:38,910 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:38,910 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:00:39,457 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 02:00:39,467 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] [2025-02-08 02:00:39,470 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] [2025-02-08 02:00:39,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,496 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,497 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,501 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,502 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,502 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,503 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2025-02-08 02:00:39,586 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,586 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 02:00:39,596 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2025-02-08 02:00:39,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 02:00:39,786 INFO L204 MainTranslator]: Completed translation [2025-02-08 02:00:39,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:39 WrapperNode [2025-02-08 02:00:39,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 02:00:39,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 02:00:39,788 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 02:00:39,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 02:00:39,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:39" (1/1) ... [2025-02-08 02:00:39,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:39" (1/1) ... [2025-02-08 02:00:39,915 INFO L138 Inliner]: procedures = 682, calls = 2778, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 818 [2025-02-08 02:00:39,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 02:00:39,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 02:00:39,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 02:00:39,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 02:00:39,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:39" (1/1) ... [2025-02-08 02:00:39,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:39" (1/1) ... [2025-02-08 02:00:39,929 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:39" (1/1) ... [2025-02-08 02:00:39,981 INFO L175 MemorySlicer]: Split 531 memory accesses to 6 slices as follows [2, 257, 6, 238, 12, 16]. 48 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 5, 6, 0, 16]. The 493 writes are split as follows [0, 257, 0, 232, 4, 0]. [2025-02-08 02:00:39,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:39" (1/1) ... [2025-02-08 02:00:39,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:39" (1/1) ... [2025-02-08 02:00:40,022 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:39" (1/1) ... [2025-02-08 02:00:40,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:39" (1/1) ... [2025-02-08 02:00:40,036 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:39" (1/1) ... [2025-02-08 02:00:40,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:39" (1/1) ... [2025-02-08 02:00:40,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 02:00:40,050 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 02:00:40,051 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 02:00:40,051 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 02:00:40,052 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:39" (1/1) ... [2025-02-08 02:00:40,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 02:00:40,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:00:40,077 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 02:00:40,079 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 02:00:40,097 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-02-08 02:00:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-02-08 02:00:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2025-02-08 02:00:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2025-02-08 02:00:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 02:00:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 02:00:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 02:00:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 02:00:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 02:00:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 02:00:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 02:00:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 02:00:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 02:00:40,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 02:00:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 02:00:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 02:00:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 02:00:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 02:00:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 02:00:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 02:00:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 02:00:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 02:00:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 02:00:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 02:00:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 02:00:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 02:00:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 02:00:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 02:00:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 02:00:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 02:00:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 02:00:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 02:00:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 02:00:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 02:00:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 02:00:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 02:00:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 02:00:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 02:00:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 02:00:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure aws_secure_zero [2025-02-08 02:00:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_secure_zero [2025-02-08 02:00:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-08 02:00:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-08 02:00:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-02-08 02:00:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-02-08 02:00:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-02-08 02:00:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-02-08 02:00:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-02-08 02:00:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-02-08 02:00:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-02-08 02:00:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-02-08 02:00:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-02-08 02:00:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-02-08 02:00:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-02-08 02:00:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-02-08 02:00:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2025-02-08 02:00:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2025-02-08 02:00:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 02:00:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 02:00:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 02:00:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 02:00:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 02:00:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 02:00:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 02:00:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 02:00:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 02:00:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 02:00:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 02:00:40,355 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 02:00:40,356 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 02:00:40,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 02:00:40,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-02-08 02:00:40,419 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 02:00:40,433 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 02:00:40,513 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc #t~ret543#1.base, #t~ret543#1.offset; [2025-02-08 02:00:46,999 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2025-02-08 02:00:47,000 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 02:00:47,008 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 02:00:47,010 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 02:00:47,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 02:00:47 BoogieIcfgContainer [2025-02-08 02:00:47,010 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 02:00:47,012 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 02:00:47,012 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 02:00:47,015 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 02:00:47,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 02:00:38" (1/3) ... [2025-02-08 02:00:47,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508e6566 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 02:00:47,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 02:00:39" (2/3) ... [2025-02-08 02:00:47,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508e6566 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 02:00:47,016 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 02:00:47,016 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_destroy_secure_harness_negated.i [2025-02-08 02:00:47,027 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 02:00:47,030 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_destroy_secure_harness_negated.i that has 18 procedures, 117 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-02-08 02:00:47,070 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 02:00:47,080 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;@5c391b45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 02:00:47,081 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 02:00:47,085 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 02:00:47,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-08 02:00:47,092 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 02:00:47,093 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 02:00:47,093 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 02:00:47,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 02:00:47,097 INFO L85 PathProgramCache]: Analyzing trace with hash -200502889, now seen corresponding path program 1 times [2025-02-08 02:00:47,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 02:00:47,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951336094] [2025-02-08 02:00:47,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:00:47,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 02:01:55,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-08 02:01:55,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-08 02:01:55,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 02:01:55,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 02:01:56,161 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 02:01:56,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 02:01:56,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951336094] [2025-02-08 02:01:56,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951336094] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 02:01:56,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822935618] [2025-02-08 02:01:56,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 02:01:56,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 02:01:56,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 02:01:56,164 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 02:01:56,166 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