./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_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_eq_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 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:05:30,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:05:30,328 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:05:30,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:05:30,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:05:30,356 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:05:30,357 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:05:30,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:05:30,357 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:05:30,358 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:05:30,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:05:30,358 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:05:30,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:05:30,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:05:30,359 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:05:30,359 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:05:30,359 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:05:30,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:05:30,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:05:30,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:05:30,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:05:30,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:05:30,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:05:30,360 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:05:30,360 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:05:30,360 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:05:30,360 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:05:30,360 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:05:30,360 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:05:30,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:05:30,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:05:30,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:05:30,361 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:05:30,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:05:30,361 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:05:30,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:05:30,361 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:05:30,361 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:05:30,361 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:05:30,361 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:05:30,362 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 -> 87391e14b88adba21a2cadbd4091fa2317508e1d0df9844d1e7f72f208000e39 [2025-03-17 07:05:30,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:05:30,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:05:30,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:05:30,574 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:05:30,574 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:05:30,575 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2025-03-17 07:05:31,737 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3e5b644c/81ebb848455d4006b3ecbd111d33f78a/FLAG70d85b86a [2025-03-17 07:05:32,179 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:05:32,180 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_harness_negated.i [2025-03-17 07:05:32,219 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3e5b644c/81ebb848455d4006b3ecbd111d33f78a/FLAG70d85b86a [2025-03-17 07:05:32,313 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3e5b644c/81ebb848455d4006b3ecbd111d33f78a [2025-03-17 07:05:32,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:05:32,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:05:32,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:05:32,317 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:05:32,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:05:32,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:05:32" (1/1) ... [2025-03-17 07:05:32,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6741f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:32, skipping insertion in model container [2025-03-17 07:05:32,322 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:05:32" (1/1) ... [2025-03-17 07:05:32,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:05:32,633 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_eq_harness_negated.i[4492,4505] [2025-03-17 07:05:32,641 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_eq_harness_negated.i[4552,4565] [2025-03-17 07:05:33,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,079 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,080 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,080 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,088 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,089 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,090 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,090 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,455 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:05:33,569 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:05:33,583 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_eq_harness_negated.i[4492,4505] [2025-03-17 07:05:33,584 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_eq_harness_negated.i[4552,4565] [2025-03-17 07:05:33,612 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,613 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,613 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,613 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,613 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,619 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,735 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-03-17 07:05:33,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:05:33,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-03-17 07:05:33,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:05:33,918 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:05:33,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:33 WrapperNode [2025-03-17 07:05:33,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:05:33,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:05:33,921 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:05:33,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:05:33,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:33" (1/1) ... [2025-03-17 07:05:33,979 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:33" (1/1) ... [2025-03-17 07:05:34,029 INFO L138 Inliner]: procedures = 680, calls = 2648, calls flagged for inlining = 60, calls inlined = 6, statements flattened = 880 [2025-03-17 07:05:34,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:05:34,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:05:34,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:05:34,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:05:34,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:33" (1/1) ... [2025-03-17 07:05:34,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:33" (1/1) ... [2025-03-17 07:05:34,048 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:33" (1/1) ... [2025-03-17 07:05:34,108 INFO L175 MemorySlicer]: Split 550 memory accesses to 7 slices as follows [2, 257, 238, 4, 6, 38, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 4, 5]. The 494 writes are split as follows [0, 257, 232, 0, 2, 3, 0]. [2025-03-17 07:05:34,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:33" (1/1) ... [2025-03-17 07:05:34,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:33" (1/1) ... [2025-03-17 07:05:34,145 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:33" (1/1) ... [2025-03-17 07:05:34,148 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:33" (1/1) ... [2025-03-17 07:05:34,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:33" (1/1) ... [2025-03-17 07:05:34,160 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:33" (1/1) ... [2025-03-17 07:05:34,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:05:34,173 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:05:34,175 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:05:34,176 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:05:34,177 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:33" (1/1) ... [2025-03-17 07:05:34,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:05:34,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:05:34,201 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 07:05:34,203 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 07:05:34,221 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 07:05:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 07:05:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:05:34,222 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:05:34,222 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:05:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:05:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:05:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:05:34,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:05:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:05:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:05:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:05:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:05:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:05:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:05:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:05:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:05:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:05:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:05:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-03-17 07:05:34,224 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-03-17 07:05:34,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:05:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:05:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:05:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:05:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-17 07:05:34,225 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-17 07:05:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:05:34,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:05:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:05:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 07:05:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:05:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-03-17 07:05:34,226 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-03-17 07:05:34,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:05:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:05:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:05:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:05:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:05:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:05:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:05:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:05:34,227 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:05:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:05:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:05:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:05:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:05:34,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:05:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:05:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:05:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-17 07:05:34,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-17 07:05:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:05:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:05:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:05:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:05:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:05:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:05:34,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:05:34,456 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:05:34,458 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:05:34,489 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:05:34,520 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:05:34,535 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:05:34,545 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7695: havoc #t~nondet818; [2025-03-17 07:05:34,549 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc #t~mem509; [2025-03-17 07:05:34,562 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:05:34,587 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 07:05:41,522 INFO L? ?]: Removed 88 outVars from TransFormulas that were not future-live. [2025-03-17 07:05:41,523 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:05:41,531 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:05:41,531 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:05:41,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:05:41 BoogieIcfgContainer [2025-03-17 07:05:41,531 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:05:41,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:05:41,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:05:41,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:05:41,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:05:32" (1/3) ... [2025-03-17 07:05:41,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@903863b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:05:41, skipping insertion in model container [2025-03-17 07:05:41,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:05:33" (2/3) ... [2025-03-17 07:05:41,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@903863b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:05:41, skipping insertion in model container [2025-03-17 07:05:41,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:05:41" (3/3) ... [2025-03-17 07:05:41,539 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_harness_negated.i [2025-03-17 07:05:41,549 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:05:41,550 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_eq_harness_negated.i that has 12 procedures, 130 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-17 07:05:41,588 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:05:41,598 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;@b3aab75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:05:41,599 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:05:41,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 77 states have (on average 1.2467532467532467) internal successors, (96), 78 states have internal predecessors, (96), 40 states have call successors, (40), 11 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-03-17 07:05:41,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-17 07:05:41,610 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:05:41,610 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1] [2025-03-17 07:05:41,610 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:05:41,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:05:41,613 INFO L85 PathProgramCache]: Analyzing trace with hash -776587454, now seen corresponding path program 1 times [2025-03-17 07:05:41,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:05:41,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354917826] [2025-03-17 07:05:41,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:05:41,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:06:47,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 07:06:47,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 07:06:47,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:06:47,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:06:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-03-17 07:06:48,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:06:48,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354917826] [2025-03-17 07:06:48,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354917826] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:06:48,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618798671] [2025-03-17 07:06:48,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:06:48,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:06:48,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:06:48,258 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 07:06:48,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process