./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bb0c309b27b585749f4baad3e5a2aa617acc042d97a0a5f067f810d997d3b9d7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 06:57:21,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 06:57:21,555 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 06:57:21,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 06:57:21,561 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 06:57:21,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 06:57:21,575 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 06:57:21,575 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 06:57:21,577 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 06:57:21,577 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 06:57:21,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 06:57:21,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 06:57:21,577 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 06:57:21,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 06:57:21,577 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 06:57:21,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 06:57:21,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 06:57:21,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 06:57:21,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 06:57:21,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 06:57:21,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 06:57:21,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 06:57:21,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 06:57:21,577 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 06:57:21,578 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 06:57:21,578 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 06:57:21,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 06:57:21,578 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 06:57:21,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 06:57:21,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:57:21,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 06:57:21,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 06:57:21,578 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 06:57:21,578 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 06:57:21,578 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 06:57:21,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 06:57:21,578 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 06:57:21,578 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 06:57:21,578 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 06:57:21,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 06:57:21,578 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb0c309b27b585749f4baad3e5a2aa617acc042d97a0a5f067f810d997d3b9d7 [2025-03-17 06:57:21,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 06:57:21,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 06:57:21,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 06:57:21,838 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 06:57:21,838 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 06:57:21,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2025-03-17 06:57:23,177 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18e07e17d/038bbe188d9d427683c61907899cb187/FLAGe0ec13dbd [2025-03-17 06:57:23,683 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 06:57:23,684 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2025-03-17 06:57:23,717 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18e07e17d/038bbe188d9d427683c61907899cb187/FLAGe0ec13dbd [2025-03-17 06:57:23,728 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18e07e17d/038bbe188d9d427683c61907899cb187 [2025-03-17 06:57:23,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 06:57:23,731 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 06:57:23,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 06:57:23,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 06:57:23,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 06:57:23,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:57:23" (1/1) ... [2025-03-17 06:57:23,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58686f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:23, skipping insertion in model container [2025-03-17 06:57:23,738 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:57:23" (1/1) ... [2025-03-17 06:57:23,815 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 06:57:24,036 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i[4502,4515] [2025-03-17 06:57:24,044 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i[4562,4575] [2025-03-17 06:57:24,616 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:24,617 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:24,617 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:24,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:24,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:24,635 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:24,637 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:24,639 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:24,641 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:25,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:25,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:25,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:57:25,249 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 06:57:25,259 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i[4502,4515] [2025-03-17 06:57:25,261 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i[4562,4575] [2025-03-17 06:57:25,300 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:25,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:25,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:25,302 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:25,304 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:25,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:25,313 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:25,314 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:25,314 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:25,424 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8061] [2025-03-17 06:57:25,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:25,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:57:25,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8547-8558] [2025-03-17 06:57:25,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:57:25,631 INFO L204 MainTranslator]: Completed translation [2025-03-17 06:57:25,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:25 WrapperNode [2025-03-17 06:57:25,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 06:57:25,633 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 06:57:25,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 06:57:25,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 06:57:25,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:25" (1/1) ... [2025-03-17 06:57:25,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:25" (1/1) ... [2025-03-17 06:57:25,772 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2025-03-17 06:57:25,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 06:57:25,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 06:57:25,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 06:57:25,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 06:57:25,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:25" (1/1) ... [2025-03-17 06:57:25,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:25" (1/1) ... [2025-03-17 06:57:25,789 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:25" (1/1) ... [2025-03-17 06:57:25,870 INFO L175 MemorySlicer]: Split 536 memory accesses to 5 slices as follows [2, 257, 238, 7, 32]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 497 writes are split as follows [0, 257, 232, 1, 7]. [2025-03-17 06:57:25,872 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:25" (1/1) ... [2025-03-17 06:57:25,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:25" (1/1) ... [2025-03-17 06:57:25,904 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:25" (1/1) ... [2025-03-17 06:57:25,908 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:25" (1/1) ... [2025-03-17 06:57:25,916 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:25" (1/1) ... [2025-03-17 06:57:25,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:25" (1/1) ... [2025-03-17 06:57:25,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 06:57:25,935 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 06:57:25,935 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 06:57:25,935 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 06:57:25,936 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:25" (1/1) ... [2025-03-17 06:57:25,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:57:25,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:57:25,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 06:57:25,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 06:57:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 06:57:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 06:57:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-03-17 06:57:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-03-17 06:57:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 06:57:25,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 06:57:25,997 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-17 06:57:25,997 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 06:57:25,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 06:57:25,997 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 06:57:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 06:57:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 06:57:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 06:57:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 06:57:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-17 06:57:25,998 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-17 06:57:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-17 06:57:25,998 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-17 06:57:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 06:57:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 06:57:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 06:57:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 06:57:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 06:57:26,221 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 06:57:26,223 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 06:57:26,264 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6868: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 06:57:26,270 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7112: havoc #t~ret595.base, #t~ret595.offset; [2025-03-17 06:57:26,316 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7169: havoc #t~mem620;havoc #t~mem621;havoc #t~short622;havoc #t~mem623.base, #t~mem623.offset;havoc #t~short624;havoc #t~mem625;havoc #t~mem626;havoc #t~mem627;havoc #t~short628;havoc #t~mem629;havoc #t~mem630.base, #t~mem630.offset;havoc #t~short631;havoc #t~short632;havoc #t~short633;havoc #t~short634; [2025-03-17 06:57:26,325 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 06:57:33,362 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-17 06:57:33,507 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2025-03-17 06:57:33,508 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 06:57:33,515 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 06:57:33,517 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 06:57:33,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:57:33 BoogieIcfgContainer [2025-03-17 06:57:33,518 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 06:57:33,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 06:57:33,520 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 06:57:33,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 06:57:33,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:57:23" (1/3) ... [2025-03-17 06:57:33,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af9ed46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:57:33, skipping insertion in model container [2025-03-17 06:57:33,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:57:25" (2/3) ... [2025-03-17 06:57:33,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af9ed46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:57:33, skipping insertion in model container [2025-03-17 06:57:33,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:57:33" (3/3) ... [2025-03-17 06:57:33,526 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness_negated.i [2025-03-17 06:57:33,538 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 06:57:33,540 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_clean_up_secure_harness_negated.i that has 11 procedures, 111 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 06:57:33,589 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 06:57:33,599 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;@757fe6ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 06:57:33,600 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 06:57:33,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 71 states have (on average 1.2394366197183098) internal successors, (88), 72 states have internal predecessors, (88), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-17 06:57:33,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-17 06:57:33,610 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 06:57:33,611 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 06:57:33,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 06:57:33,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 06:57:33,616 INFO L85 PathProgramCache]: Analyzing trace with hash 298928984, now seen corresponding path program 1 times [2025-03-17 06:57:33,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 06:57:33,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380532899] [2025-03-17 06:57:33,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:57:33,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 06:58:46,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-17 06:58:46,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-17 06:58:46,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 06:58:46,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 06:58:47,424 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-03-17 06:58:47,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 06:58:47,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380532899] [2025-03-17 06:58:47,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380532899] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 06:58:47,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191836026] [2025-03-17 06:58:47,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:58:47,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 06:58:47,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:58:47,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 06:58:47,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process