./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_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_compare_lookup_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 e75e79bb7da52b492a2e3ddc8479f7ccf1edef9ee409c71a9e1468a3f8e14895 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:04:04,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:04:04,813 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:04:04,820 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:04:04,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:04:04,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:04:04,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:04:04,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:04:04,837 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:04:04,837 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:04:04,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:04:04,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:04:04,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:04:04,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:04:04,838 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:04:04,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:04:04,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:04:04,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:04:04,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:04:04,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:04:04,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:04:04,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:04:04,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:04:04,839 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:04:04,839 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:04:04,839 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:04:04,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:04:04,839 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:04:04,839 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:04:04,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:04:04,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:04:04,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:04:04,840 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:04:04,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:04:04,840 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:04:04,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:04:04,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:04:04,840 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:04:04,840 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:04:04,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:04:04,840 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 -> e75e79bb7da52b492a2e3ddc8479f7ccf1edef9ee409c71a9e1468a3f8e14895 [2025-03-17 07:04:05,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:04:05,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:04:05,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:04:05,110 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:04:05,110 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:04:05,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2025-03-17 07:04:06,284 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79dad83f1/be63bcbf5d854abd8ed21368b59f97a3/FLAG68354cc6f [2025-03-17 07:04:06,760 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:04:06,761 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2025-03-17 07:04:06,805 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79dad83f1/be63bcbf5d854abd8ed21368b59f97a3/FLAG68354cc6f [2025-03-17 07:04:06,820 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79dad83f1/be63bcbf5d854abd8ed21368b59f97a3 [2025-03-17 07:04:06,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:04:06,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:04:06,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:04:06,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:04:06,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:04:06,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:04:06" (1/1) ... [2025-03-17 07:04:06,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@762a5b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:06, skipping insertion in model container [2025-03-17 07:04:06,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:04:06" (1/1) ... [2025-03-17 07:04:06,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:04:07,079 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_compare_lookup_harness_negated.i[4504,4517] [2025-03-17 07:04:07,087 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_compare_lookup_harness_negated.i[4564,4577] [2025-03-17 07:04:07,581 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,583 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,584 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,584 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,585 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,594 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,594 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,595 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:07,596 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:08,135 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:08,136 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:08,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:04:08,250 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:04:08,262 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_compare_lookup_harness_negated.i[4504,4517] [2025-03-17 07:04:08,267 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_compare_lookup_harness_negated.i[4564,4577] [2025-03-17 07:04:08,309 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:08,310 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:08,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:08,311 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:08,312 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:08,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:08,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:08,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:08,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:08,469 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-03-17 07:04:08,472 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:08,472 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:04:08,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-03-17 07:04:08,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:04:08,684 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:04:08,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08 WrapperNode [2025-03-17 07:04:08,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:04:08,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:04:08,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:04:08,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:04:08,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,756 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,816 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2025-03-17 07:04:08,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:04:08,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:04:08,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:04:08,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:04:08,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,838 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,900 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 257, 238, 34, 4, 2, 6, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 0, 0, 0, 5]. The 494 writes are split as follows [0, 257, 232, 3, 0, 0, 2, 0]. [2025-03-17 07:04:08,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,932 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,942 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:04:08,976 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:04:08,977 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:04:08,977 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:04:08,978 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (1/1) ... [2025-03-17 07:04:08,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:04:08,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:04:09,008 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 07:04:09,010 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 07:04:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 07:04:09,032 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 07:04:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:04:09,032 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:04:09,032 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:04:09,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:04:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:04:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:04:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:04:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:04:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:04:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:04:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:04:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:04:09,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:04:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:04:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:04:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:04:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:04:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:04:09,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-03-17 07:04:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:04:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-17 07:04:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:04:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:04:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 07:04:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:04:09,036 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:04:09,036 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-17 07:04:09,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2025-03-17 07:04:09,037 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:04:09,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:04:09,305 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:04:09,307 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:04:09,353 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:04:09,396 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:04:09,410 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc #t~mem509; [2025-03-17 07:04:09,425 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:04:09,460 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: havoc #t~mem694;havoc #t~mem695;havoc #t~mem696.base, #t~mem696.offset;havoc #t~short697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~short701;havoc #t~short702;havoc #t~short703; [2025-03-17 07:04:16,566 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-03-17 07:04:16,566 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:04:16,574 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:04:16,574 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:04:16,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:04:16 BoogieIcfgContainer [2025-03-17 07:04:16,575 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:04:16,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:04:16,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:04:16,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:04:16,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:04:06" (1/3) ... [2025-03-17 07:04:16,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e23f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:04:16, skipping insertion in model container [2025-03-17 07:04:16,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:04:08" (2/3) ... [2025-03-17 07:04:16,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e23f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:04:16, skipping insertion in model container [2025-03-17 07:04:16,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:04:16" (3/3) ... [2025-03-17 07:04:16,582 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness_negated.i [2025-03-17 07:04:16,593 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:04:16,594 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_compare_lookup_harness_negated.i that has 11 procedures, 130 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 07:04:16,640 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:04:16,649 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;@609edb73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:04:16,649 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:04:16,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 77 states have (on average 1.2597402597402598) internal successors, (97), 78 states have internal predecessors, (97), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-03-17 07:04:16,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-17 07:04:16,661 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:04:16,662 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:04:16,662 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:04:16,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:04:16,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1622018118, now seen corresponding path program 1 times [2025-03-17 07:04:16,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:04:16,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129026436] [2025-03-17 07:04:16,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:04:16,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:05:24,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 07:05:25,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 07:05:25,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:05:25,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:05:26,076 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-03-17 07:05:26,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:05:26,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129026436] [2025-03-17 07:05:26,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129026436] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:05:26,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905969836] [2025-03-17 07:05:26,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:05:26,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:05:26,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:05:26,083 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 07:05:26,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process