./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_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_reset_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 213a189671075c0c13353e6cef2ff881190dbc59e085aa9fab998a3d426f19f8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:00:33,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:00:33,768 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:00:33,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:00:33,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:00:33,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:00:33,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:00:33,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:00:33,790 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:00:33,790 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:00:33,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:00:33,790 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:00:33,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:00:33,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:00:33,790 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:00:33,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:00:33,790 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:00:33,790 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:00:33,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:00:33,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:00:33,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:00:33,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:00:33,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:00:33,791 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:00:33,791 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:00:33,791 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:00:33,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:00:33,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:00:33,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:00:33,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:00:33,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:00:33,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:00:33,791 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:00:33,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:00:33,791 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:00:33,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:00:33,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:00:33,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:00:33,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:00:33,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:00:33,793 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 -> 213a189671075c0c13353e6cef2ff881190dbc59e085aa9fab998a3d426f19f8 [2025-03-17 07:00:34,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:00:34,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:00:34,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:00:34,055 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:00:34,055 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:00:34,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i [2025-03-17 07:00:35,222 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d0318cea/7726c19f7f31453b87bb08c412062edf/FLAG1769f02f0 [2025-03-17 07:00:35,707 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:00:35,707 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness_negated.i [2025-03-17 07:00:35,738 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d0318cea/7726c19f7f31453b87bb08c412062edf/FLAG1769f02f0 [2025-03-17 07:00:35,826 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d0318cea/7726c19f7f31453b87bb08c412062edf [2025-03-17 07:00:35,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:00:35,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:00:35,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:00:35,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:00:35,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:00:35,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:00:35" (1/1) ... [2025-03-17 07:00:35,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ebf33d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:35, skipping insertion in model container [2025-03-17 07:00:35,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:00:35" (1/1) ... [2025-03-17 07:00:35,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:00:36,129 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_reset_harness_negated.i[4492,4505] [2025-03-17 07:00:36,138 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_reset_harness_negated.i[4552,4565] [2025-03-17 07:00:36,916 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:36,916 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:36,916 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:36,917 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:36,917 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:36,929 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:36,930 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:36,931 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:36,932 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:37,550 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:37,550 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:37,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:00:37,690 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:00:37,710 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_reset_harness_negated.i[4492,4505] [2025-03-17 07:00:37,711 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_reset_harness_negated.i[4552,4565] [2025-03-17 07:00:37,749 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:37,751 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:37,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:37,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:37,753 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:37,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:37,758 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:37,759 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:37,759 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:37,919 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2025-03-17 07:00:37,921 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:37,921 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:00:37,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2025-03-17 07:00:37,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:00:38,122 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:00:38,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:38 WrapperNode [2025-03-17 07:00:38,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:00:38,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:00:38,125 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:00:38,125 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:00:38,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:38" (1/1) ... [2025-03-17 07:00:38,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:38" (1/1) ... [2025-03-17 07:00:38,258 INFO L138 Inliner]: procedures = 680, calls = 2629, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 822 [2025-03-17 07:00:38,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:00:38,260 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:00:38,260 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:00:38,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:00:38,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:38" (1/1) ... [2025-03-17 07:00:38,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:38" (1/1) ... [2025-03-17 07:00:38,281 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:38" (1/1) ... [2025-03-17 07:00:38,342 INFO L175 MemorySlicer]: Split 542 memory accesses to 6 slices as follows [2, 257, 238, 7, 7, 31]. 47 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 5, 4, 4]. The 494 writes are split as follows [0, 257, 232, 1, 0, 4]. [2025-03-17 07:00:38,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:38" (1/1) ... [2025-03-17 07:00:38,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:38" (1/1) ... [2025-03-17 07:00:38,369 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:38" (1/1) ... [2025-03-17 07:00:38,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:38" (1/1) ... [2025-03-17 07:00:38,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:38" (1/1) ... [2025-03-17 07:00:38,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:38" (1/1) ... [2025-03-17 07:00:38,404 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:00:38,405 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:00:38,406 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:00:38,406 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:00:38,407 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:38" (1/1) ... [2025-03-17 07:00:38,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:00:38,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:00:38,439 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 07:00:38,446 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 07:00:38,464 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 07:00:38,464 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 07:00:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:00:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:00:38,465 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:00:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:00:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:00:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:00:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:00:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:00:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:00:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:00:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:00:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:00:38,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:00:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:00:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:00:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:00:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:00:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-03-17 07:00:38,466 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-03-17 07:00:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:00:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:00:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:00:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:00:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:00:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:00:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:00:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:00:38,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:00:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:00:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:00:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:00:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:00:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:00:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:00:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:00:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:00:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:00:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:00:38,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:00:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:00:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:00:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:00:38,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:00:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:00:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:00:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:00:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:00:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:00:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:00:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:00:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:00:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:00:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:00:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:00:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2025-03-17 07:00:38,468 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2025-03-17 07:00:38,468 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:00:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:00:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:00:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:00:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:00:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:00:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:00:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:00:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-17 07:00:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-17 07:00:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-17 07:00:38,469 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-17 07:00:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:00:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:00:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:00:38,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:00:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:00:38,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:00:38,700 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:00:38,702 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:00:38,764 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:00:38,801 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:00:38,811 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret656.base, #t~ret656.offset; [2025-03-17 07:00:38,855 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: havoc #t~mem681;havoc #t~mem682;havoc #t~short683;havoc #t~mem684.base, #t~mem684.offset;havoc #t~short685;havoc #t~mem686;havoc #t~mem687;havoc #t~mem688;havoc #t~short689;havoc #t~mem690;havoc #t~mem691.base, #t~mem691.offset;havoc #t~short692;havoc #t~short693;havoc #t~short694;havoc #t~short695; [2025-03-17 07:00:38,870 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:00:45,645 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-17 07:00:45,817 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2025-03-17 07:00:45,818 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:00:45,827 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:00:45,828 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:00:45,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:00:45 BoogieIcfgContainer [2025-03-17 07:00:45,829 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:00:45,831 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:00:45,831 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:00:45,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:00:45,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:00:35" (1/3) ... [2025-03-17 07:00:45,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4322b1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:00:45, skipping insertion in model container [2025-03-17 07:00:45,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:00:38" (2/3) ... [2025-03-17 07:00:45,834 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4322b1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:00:45, skipping insertion in model container [2025-03-17 07:00:45,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:00:45" (3/3) ... [2025-03-17 07:00:45,835 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reset_harness_negated.i [2025-03-17 07:00:45,848 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:00:45,850 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reset_harness_negated.i that has 12 procedures, 107 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 07:00:45,893 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:00:45,902 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;@77915287, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:00:45,904 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:00:45,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 71 states have (on average 1.2394366197183098) internal successors, (88), 73 states have internal predecessors, (88), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-17 07:00:45,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-17 07:00:45,915 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:00:45,915 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 07:00:45,916 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:00:45,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:00:45,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1804231999, now seen corresponding path program 1 times [2025-03-17 07:00:45,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:00:45,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892505968] [2025-03-17 07:00:45,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:00:45,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:01:59,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 07:02:00,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 07:02:00,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:02:00,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:02:00,726 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-17 07:02:00,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:02:00,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892505968] [2025-03-17 07:02:00,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892505968] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:02:00,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946400669] [2025-03-17 07:02:00,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:02:00,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:02:00,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:02:00,731 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 07:02:00,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process