./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_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_cursor_from_buf_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 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:06:22,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:06:23,045 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:06:23,049 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:06:23,049 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:06:23,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:06:23,067 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:06:23,067 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:06:23,067 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:06:23,068 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:06:23,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:06:23,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:06:23,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:06:23,068 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:06:23,068 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:06:23,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:06:23,068 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:06:23,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:06:23,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:06:23,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:06:23,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:06:23,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:06:23,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:06:23,068 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:06:23,068 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:06:23,069 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:06:23,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:06:23,069 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:06:23,069 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:06:23,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:06:23,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:06:23,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:06:23,069 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:06:23,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:06:23,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:06:23,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:06:23,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:06:23,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:06:23,069 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:06:23,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:06:23,069 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 -> 3d97d04097e42514d5700bbc256d61ac595fb6c5eca16e749be15c2d6158293f [2025-03-17 07:06:23,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:06:23,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:06:23,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:06:23,441 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:06:23,442 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:06:23,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2025-03-17 07:06:24,840 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad0c4ef56/84cb303f600e46618abe1d9ed4785cec/FLAG9c53e00d3 [2025-03-17 07:06:25,311 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:06:25,311 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_from_buf_harness_negated.i [2025-03-17 07:06:25,347 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad0c4ef56/84cb303f600e46618abe1d9ed4785cec/FLAG9c53e00d3 [2025-03-17 07:06:25,398 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad0c4ef56/84cb303f600e46618abe1d9ed4785cec [2025-03-17 07:06:25,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:06:25,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:06:25,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:06:25,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:06:25,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:06:25,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:06:25" (1/1) ... [2025-03-17 07:06:25,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474ef4e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:06:25, skipping insertion in model container [2025-03-17 07:06:25,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:06:25" (1/1) ... [2025-03-17 07:06:25,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:06:25,726 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_cursor_from_buf_harness_negated.i[4498,4511] [2025-03-17 07:06:25,732 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_cursor_from_buf_harness_negated.i[4558,4571] [2025-03-17 07:06:26,383 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,388 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,402 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,794 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,795 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:06:26,893 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:06:26,907 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_cursor_from_buf_harness_negated.i[4498,4511] [2025-03-17 07:06:26,908 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_cursor_from_buf_harness_negated.i[4558,4571] [2025-03-17 07:06:26,943 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,944 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,944 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,945 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,945 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,951 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,951 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,952 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:26,954 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:27,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-03-17 07:06:27,095 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:27,097 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:06:27,109 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-03-17 07:06:27,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:06:27,306 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:06:27,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:06:27 WrapperNode [2025-03-17 07:06:27,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:06:27,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:06:27,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:06:27,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:06:27,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:06:27" (1/1) ... [2025-03-17 07:06:27,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:06:27" (1/1) ... [2025-03-17 07:06:27,469 INFO L138 Inliner]: procedures = 679, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 870 [2025-03-17 07:06:27,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:06:27,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:06:27,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:06:27,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:06:27,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:06:27" (1/1) ... [2025-03-17 07:06:27,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:06:27" (1/1) ... [2025-03-17 07:06:27,487 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:06:27" (1/1) ... [2025-03-17 07:06:27,534 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 39, 6, 247, 14]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 8, 0, 11, 2]. The 495 writes are split as follows [0, 257, 2, 2, 232, 2]. [2025-03-17 07:06:27,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:06:27" (1/1) ... [2025-03-17 07:06:27,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:06:27" (1/1) ... [2025-03-17 07:06:27,573 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:06:27" (1/1) ... [2025-03-17 07:06:27,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:06:27" (1/1) ... [2025-03-17 07:06:27,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:06:27" (1/1) ... [2025-03-17 07:06:27,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:06:27" (1/1) ... [2025-03-17 07:06:27,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:06:27,595 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:06:27,595 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:06:27,596 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:06:27,596 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:06:27" (1/1) ... [2025-03-17 07:06:27,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:06:27,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:06:27,661 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 07:06:27,664 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 07:06:27,681 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-17 07:06:27,682 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-17 07:06:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 07:06:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 07:06:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:06:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:06:27,683 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:06:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:06:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:06:27,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:06:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:06:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:06:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:06:27,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:06:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:06:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:06:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:06:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:06:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:06:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:06:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:06:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2025-03-17 07:06:27,685 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2025-03-17 07:06:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:06:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:06:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:06:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:06:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:06:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:06:27,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:06:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:06:27,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:06:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:06:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:06:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:06:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 07:06:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 07:06:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:06:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:06:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:06:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:06:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:06:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:06:27,687 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:06:27,687 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:06:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:06:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:06:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:06:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:06:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:06:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:06:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:06:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:06:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:06:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:06:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:06:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:06:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:06:27,688 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:06:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:06:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:06:27,690 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:06:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:06:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:06:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:06:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:06:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:06:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:06:27,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:06:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:06:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:06:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:06:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:06:27,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:06:27,940 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:06:27,942 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:06:27,985 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:06:28,012 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:06:28,067 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2025-03-17 07:06:28,080 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:06:28,105 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7355: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2025-03-17 07:06:28,118 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L8208: havoc #t~mem1071;havoc #t~mem1072.base, #t~mem1072.offset;call ULTIMATE.dealloc(~#cur~0.base, ~#cur~0.offset);havoc ~#cur~0.base, ~#cur~0.offset; [2025-03-17 07:06:35,544 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-03-17 07:06:35,544 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:06:35,679 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2025-03-17 07:06:35,679 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:06:35,686 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:06:35,686 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:06:35,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:06:35 BoogieIcfgContainer [2025-03-17 07:06:35,687 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:06:35,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:06:35,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:06:35,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:06:35,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:06:25" (1/3) ... [2025-03-17 07:06:35,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786bf299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:06:35, skipping insertion in model container [2025-03-17 07:06:35,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:06:27" (2/3) ... [2025-03-17 07:06:35,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@786bf299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:06:35, skipping insertion in model container [2025-03-17 07:06:35,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:06:35" (3/3) ... [2025-03-17 07:06:35,694 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness_negated.i [2025-03-17 07:06:35,704 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:06:35,705 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_from_buf_harness_negated.i that has 11 procedures, 124 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-17 07:06:35,741 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:06:35,748 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;@614162cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:06:35,749 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:06:35,751 INFO L276 IsEmpty]: Start isEmpty. Operand has 124 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 85 states have internal predecessors, (106), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-17 07:06:35,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-17 07:06:35,756 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:06:35,756 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:06:35,757 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:06:35,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:06:35,760 INFO L85 PathProgramCache]: Analyzing trace with hash 471511240, now seen corresponding path program 1 times [2025-03-17 07:06:35,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:06:35,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52129908] [2025-03-17 07:06:35,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:06:35,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:07:44,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-03-17 07:07:45,378 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-03-17 07:07:45,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:07:45,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:07:46,222 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-03-17 07:07:46,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:07:46,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52129908] [2025-03-17 07:07:46,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52129908] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:07:46,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628284678] [2025-03-17 07:07:46,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:07:46,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:07:46,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:07:46,227 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 07:07:46,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process