./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 798a7b37 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-?-798a7b3-m [2025-03-04 02:38:32,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:38:32,361 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:38:32,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:38:32,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:38:32,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:38:32,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:38:32,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:38:32,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:38:32,383 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:38:32,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:38:32,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:38:32,384 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:38:32,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:38:32,384 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:38:32,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:38:32,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:38:32,384 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:38:32,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:38:32,385 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:38:32,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:38:32,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:38:32,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:38:32,386 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 [2025-03-04 02:38:32,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:38:32,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:38:32,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:38:32,624 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:38:32,624 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:38:32,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2025-03-04 02:38:33,788 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21b90c518/899d2a3ef6d04b4aa9f1d5e8c724d178/FLAGe4137f649 [2025-03-04 02:38:34,182 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:38:34,182 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_secure_harness_negated.i [2025-03-04 02:38:34,206 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21b90c518/899d2a3ef6d04b4aa9f1d5e8c724d178/FLAGe4137f649 [2025-03-04 02:38:34,356 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21b90c518/899d2a3ef6d04b4aa9f1d5e8c724d178 [2025-03-04 02:38:34,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:38:34,359 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:38:34,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:38:34,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:38:34,362 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:38:34,363 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:38:34" (1/1) ... [2025-03-04 02:38:34,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6755a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:34, skipping insertion in model container [2025-03-04 02:38:34,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:38:34" (1/1) ... [2025-03-04 02:38:34,430 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:38:34,649 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] [2025-03-04 02:38:34,657 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] [2025-03-04 02:38:35,191 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,192 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,192 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,193 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,193 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:38:35,644 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:38:35,653 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] [2025-03-04 02:38:35,653 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] [2025-03-04 02:38:35,692 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,693 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,701 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,704 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,704 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8061] [2025-03-04 02:38:35,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:38:35,863 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8547-8558] [2025-03-04 02:38:35,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:38:36,034 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:38:36,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:36 WrapperNode [2025-03-04 02:38:36,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:38:36,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:38:36,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:38:36,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:38:36,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:36" (1/1) ... [2025-03-04 02:38:36,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:36" (1/1) ... [2025-03-04 02:38:36,133 INFO L138 Inliner]: procedures = 680, calls = 2502, calls flagged for inlining = 56, calls inlined = 8, statements flattened = 823 [2025-03-04 02:38:36,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:38:36,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:38:36,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:38:36,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:38:36,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:36" (1/1) ... [2025-03-04 02:38:36,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:36" (1/1) ... [2025-03-04 02:38:36,155 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:36" (1/1) ... [2025-03-04 02:38:36,210 INFO L175 MemorySlicer]: Split 536 memory accesses to 5 slices as follows [2, 257, 238, 32, 7]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 497 writes are split as follows [0, 257, 232, 7, 1]. [2025-03-04 02:38:36,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:36" (1/1) ... [2025-03-04 02:38:36,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:36" (1/1) ... [2025-03-04 02:38:36,230 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:36" (1/1) ... [2025-03-04 02:38:36,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:36" (1/1) ... [2025-03-04 02:38:36,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:36" (1/1) ... [2025-03-04 02:38:36,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:36" (1/1) ... [2025-03-04 02:38:36,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:38:36,252 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:38:36,252 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:38:36,252 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:38:36,253 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:36" (1/1) ... [2025-03-04 02:38:36,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:38:36,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:38:36,278 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) [2025-03-04 02:38:36,280 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 [2025-03-04 02:38:36,296 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:38:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:38:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:38:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:38:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:38:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:38:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:38:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:38:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:38:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:38:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:38:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:38:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:38:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:38:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:38:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:38:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:38:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-03-04 02:38:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-03-04 02:38:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:38:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:38:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-04 02:38:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:38:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:38:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-04 02:38:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-04 02:38:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-04 02:38:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-04 02:38:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:38:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:38:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:38:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:38:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:38:36,525 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:38:36,526 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:38:36,560 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6868: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:38:36,566 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7112: havoc #t~ret595.base, #t~ret595.offset; [2025-03-04 02:38:36,613 INFO L1325 $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; [2025-03-04 02:38:36,624 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:38:43,642 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:38:43,674 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-03-04 02:38:43,674 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:38:43,681 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:38:43,681 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:38:43,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:38:43 BoogieIcfgContainer [2025-03-04 02:38:43,682 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:38:43,684 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:38:43,684 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:38:43,688 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:38:43,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:38:34" (1/3) ... [2025-03-04 02:38:43,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfb3ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:38:43, skipping insertion in model container [2025-03-04 02:38:43,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:38:36" (2/3) ... [2025-03-04 02:38:43,689 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfb3ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:38:43, skipping insertion in model container [2025-03-04 02:38:43,689 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:38:43" (3/3) ... [2025-03-04 02:38:43,690 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_secure_harness_negated.i [2025-03-04 02:38:43,700 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:38:43,702 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_clean_up_secure_harness_negated.i that has 11 procedures, 118 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:38:43,743 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:38:43,751 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;@69dffae1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:38:43,751 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:38:43,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 78 states have (on average 1.2179487179487178) internal successors, (95), 79 states have internal predecessors, (95), 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) [2025-03-04 02:38:43,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-04 02:38:43,763 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:38:43,764 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, 1, 1] [2025-03-04 02:38:43,764 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:38:43,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:38:43,769 INFO L85 PathProgramCache]: Analyzing trace with hash -769649484, now seen corresponding path program 1 times [2025-03-04 02:38:43,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:38:43,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833759635] [2025-03-04 02:38:43,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:38:43,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:39:49,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-04 02:39:50,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-04 02:39:50,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:39:50,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:39:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-03-04 02:39:50,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:39:50,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833759635] [2025-03-04 02:39:50,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833759635] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:39:50,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779083475] [2025-03-04 02:39:50,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:39:50,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:39:50,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:39:50,941 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) [2025-03-04 02:39:50,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process