./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.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_reset_harness.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 cda9529776bede8f1b2097af98f375819691ab0c72bb3e360b999e206011bf76 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:41:50,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:41:50,386 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:41:50,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:41:50,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:41:50,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:41:50,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:41:50,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:41:50,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:41:50,414 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:41:50,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:41:50,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:41:50,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:41:50,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:41:50,415 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:41:50,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:41:50,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:41:50,415 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:41:50,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:41:50,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:41:50,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:41:50,416 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:41:50,416 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:41:50,416 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:41:50,416 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:41:50,416 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:41:50,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:41:50,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:41:50,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:41:50,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:41:50,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:41:50,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:41:50,417 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:41:50,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:41:50,417 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:41:50,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:41:50,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:41:50,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:41:50,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:41:50,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:41:50,418 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 -> cda9529776bede8f1b2097af98f375819691ab0c72bb3e360b999e206011bf76 [2025-03-04 02:41:50,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:41:50,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:41:50,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:41:50,643 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:41:50,643 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:41:50,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i [2025-03-04 02:41:51,792 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/279aecdd0/f240cc6ab976436a886afeae62f91301/FLAGbe9fe676a [2025-03-04 02:41:52,211 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:41:52,212 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i [2025-03-04 02:41:52,245 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/279aecdd0/f240cc6ab976436a886afeae62f91301/FLAGbe9fe676a [2025-03-04 02:41:52,358 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/279aecdd0/f240cc6ab976436a886afeae62f91301 [2025-03-04 02:41:52,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:41:52,360 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:41:52,361 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:41:52,361 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:41:52,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:41:52,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:41:52" (1/1) ... [2025-03-04 02:41:52,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f57c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:52, skipping insertion in model container [2025-03-04 02:41:52,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:41:52" (1/1) ... [2025-03-04 02:41:52,440 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:41:52,668 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.i[4492,4505] [2025-03-04 02:41:52,676 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.i[4552,4565] [2025-03-04 02:41:53,155 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,156 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,157 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,170 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,170 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:41:53,732 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:41:53,746 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.i[4492,4505] [2025-03-04 02:41:53,747 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.i[4552,4565] [2025-03-04 02:41:53,786 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,788 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,788 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,788 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,789 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,795 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,796 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,798 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2025-03-04 02:41:53,924 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,924 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:53,934 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2025-03-04 02:41:53,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:41:54,108 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:41:54,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:54 WrapperNode [2025-03-04 02:41:54,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:41:54,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:41:54,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:41:54,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:41:54,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:54" (1/1) ... [2025-03-04 02:41:54,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:54" (1/1) ... [2025-03-04 02:41:54,217 INFO L138 Inliner]: procedures = 680, calls = 2629, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 822 [2025-03-04 02:41:54,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:41:54,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:41:54,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:41:54,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:41:54,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:54" (1/1) ... [2025-03-04 02:41:54,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:54" (1/1) ... [2025-03-04 02:41:54,237 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:54" (1/1) ... [2025-03-04 02:41:54,288 INFO L175 MemorySlicer]: Split 542 memory accesses to 6 slices as follows [2, 257, 238, 7, 31, 7]. 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, 4, 0]. [2025-03-04 02:41:54,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:54" (1/1) ... [2025-03-04 02:41:54,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:54" (1/1) ... [2025-03-04 02:41:54,316 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:54" (1/1) ... [2025-03-04 02:41:54,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:54" (1/1) ... [2025-03-04 02:41:54,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:54" (1/1) ... [2025-03-04 02:41:54,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:54" (1/1) ... [2025-03-04 02:41:54,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:41:54,339 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:41:54,339 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:41:54,339 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:41:54,340 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:54" (1/1) ... [2025-03-04 02:41:54,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:41:54,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:41:54,366 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 02:41:54,370 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 02:41:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:41:54,385 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:41:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:41:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:41:54,385 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:41:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:41:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:41:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:41:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:41:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:41:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:41:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:41:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:41:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:41:54,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:41:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2025-03-04 02:41:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:41:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:41:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:41:54,386 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:41:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:41:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:41:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:41:54,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:41:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2025-03-04 02:41:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:41:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-04 02:41:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-04 02:41:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:41:54,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:41:54,600 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:41:54,601 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:41:54,625 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:41:54,646 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:41:54,650 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret656.base, #t~ret656.offset; [2025-03-04 02:41:54,704 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: 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; [2025-03-04 02:41:54,715 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:42:01,184 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-04 02:42:01,235 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-03-04 02:42:01,235 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:42:01,244 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:42:01,245 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:42:01,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:42:01 BoogieIcfgContainer [2025-03-04 02:42:01,246 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:42:01,248 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:42:01,248 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:42:01,251 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:42:01,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:41:52" (1/3) ... [2025-03-04 02:42:01,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f201a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:42:01, skipping insertion in model container [2025-03-04 02:42:01,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:54" (2/3) ... [2025-03-04 02:42:01,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f201a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:42:01, skipping insertion in model container [2025-03-04 02:42:01,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:42:01" (3/3) ... [2025-03-04 02:42:01,253 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reset_harness.i [2025-03-04 02:42:01,266 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:42:01,268 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reset_harness.i that has 12 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:42:01,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:42:01,324 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;@7558573d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:42:01,325 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:42:01,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 77 states have (on average 1.2207792207792207) internal successors, (94), 79 states have internal predecessors, (94), 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) [2025-03-04 02:42:01,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-04 02:42:01,334 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:42:01,335 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, 1, 1, 1] [2025-03-04 02:42:01,335 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:42:01,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:42:01,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1195299708, now seen corresponding path program 1 times [2025-03-04 02:42:01,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:42:01,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652266891] [2025-03-04 02:42:01,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:42:01,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:43:05,626 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-04 02:43:06,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-04 02:43:06,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:43:06,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:43:06,846 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-04 02:43:06,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:43:06,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652266891] [2025-03-04 02:43:06,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652266891] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:43:06,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413651343] [2025-03-04 02:43:06,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:43:06,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:43:06,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:43:06,853 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 02:43:06,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process