./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 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_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-?-798a7b3-m [2025-03-04 02:45:29,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:45:29,176 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:45:29,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:45:29,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:45:29,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:45:29,212 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:45:29,212 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:45:29,213 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:45:29,213 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:45:29,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:45:29,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:45:29,214 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:45:29,214 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:45:29,214 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:45:29,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:45:29,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:45:29,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:45:29,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:45:29,215 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:45:29,215 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:45:29,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:45:29,215 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:45:29,215 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:45:29,216 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:45:29,216 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:45:29,216 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:45:29,216 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:45:29,216 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:45:29,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:45:29,216 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:45:29,216 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:45:29,216 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:45:29,217 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:45:29,217 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:45:29,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:45:29,217 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:45:29,217 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:45:29,217 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:45:29,217 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:45:29,217 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 [2025-03-04 02:45:29,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:45:29,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:45:29,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:45:29,450 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:45:29,450 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:45:29,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2025-03-04 02:45:30,599 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd5333e83/a01249af2a894416acaa15bbac3fad7a/FLAGd7a81157d [2025-03-04 02:45:31,011 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:45:31,013 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness_negated.i [2025-03-04 02:45:31,043 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd5333e83/a01249af2a894416acaa15bbac3fad7a/FLAGd7a81157d [2025-03-04 02:45:31,162 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd5333e83/a01249af2a894416acaa15bbac3fad7a [2025-03-04 02:45:31,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:45:31,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:45:31,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:45:31,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:45:31,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:45:31,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:45:31" (1/1) ... [2025-03-04 02:45:31,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@269515aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:31, skipping insertion in model container [2025-03-04 02:45:31,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:45:31" (1/1) ... [2025-03-04 02:45:31,230 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:45:31,394 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] [2025-03-04 02:45:31,400 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] [2025-03-04 02:45:31,832 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:31,832 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:31,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:31,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:31,834 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:31,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:31,850 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:31,851 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:31,852 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:32,300 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:32,300 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:32,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:45:32,436 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:45:32,447 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] [2025-03-04 02:45:32,451 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] [2025-03-04 02:45:32,481 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:32,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:32,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:32,483 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:32,483 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:32,489 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:32,489 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:32,490 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:32,491 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:32,576 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-03-04 02:45:32,578 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:32,578 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:45:32,586 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-03-04 02:45:32,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:45:32,734 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:45:32,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:32 WrapperNode [2025-03-04 02:45:32,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:45:32,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:45:32,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:45:32,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:45:32,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:32" (1/1) ... [2025-03-04 02:45:32,798 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:32" (1/1) ... [2025-03-04 02:45:32,844 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2025-03-04 02:45:32,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:45:32,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:45:32,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:45:32,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:45:32,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:32" (1/1) ... [2025-03-04 02:45:32,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:32" (1/1) ... [2025-03-04 02:45:32,862 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:32" (1/1) ... [2025-03-04 02:45:32,929 INFO L175 MemorySlicer]: Split 548 memory accesses to 8 slices as follows [2, 257, 238, 4, 6, 2, 34, 5]. 47 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 0, 0, 4, 5]. The 494 writes are split as follows [0, 257, 232, 0, 2, 0, 3, 0]. [2025-03-04 02:45:32,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:32" (1/1) ... [2025-03-04 02:45:32,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:32" (1/1) ... [2025-03-04 02:45:32,963 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:32" (1/1) ... [2025-03-04 02:45:32,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:32" (1/1) ... [2025-03-04 02:45:32,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:32" (1/1) ... [2025-03-04 02:45:32,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:32" (1/1) ... [2025-03-04 02:45:32,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:45:32,994 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:45:32,995 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:45:32,995 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:45:32,995 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:32" (1/1) ... [2025-03-04 02:45:32,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:45:33,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:45:33,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 02:45:33,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 02:45:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 02:45:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 02:45:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:45:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:45:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:45:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:45:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:45:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:45:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:45:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:45:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:45:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:45:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:45:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:45:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-03-04 02:45:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:45:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-04 02:45:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:45:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:45:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:45:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:45:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:45:33,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:45:33,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-04 02:45:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2025-03-04 02:45:33,048 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:45:33,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:45:33,286 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:45:33,288 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:45:33,326 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:45:33,352 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:45:33,380 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6657: havoc #t~mem509; [2025-03-04 02:45:33,393 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:45:33,420 INFO L1325 $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; [2025-03-04 02:45:40,361 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-03-04 02:45:40,362 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:45:40,369 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:45:40,371 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:45:40,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:45:40 BoogieIcfgContainer [2025-03-04 02:45:40,372 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:45:40,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:45:40,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:45:40,377 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:45:40,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:45:31" (1/3) ... [2025-03-04 02:45:40,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b1b15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:45:40, skipping insertion in model container [2025-03-04 02:45:40,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:45:32" (2/3) ... [2025-03-04 02:45:40,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57b1b15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:45:40, skipping insertion in model container [2025-03-04 02:45:40,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:45:40" (3/3) ... [2025-03-04 02:45:40,380 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness_negated.i [2025-03-04 02:45:40,391 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:45:40,393 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_compare_lookup_harness_negated.i that has 11 procedures, 133 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-04 02:45:40,439 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:45:40,447 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;@503e77b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:45:40,447 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:45:40,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 80 states have (on average 1.25) internal successors, (100), 81 states have internal predecessors, (100), 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) [2025-03-04 02:45:40,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-04 02:45:40,460 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:45:40,461 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, 1] [2025-03-04 02:45:40,462 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:45:40,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:45:40,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1109241577, now seen corresponding path program 1 times [2025-03-04 02:45:40,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:45:40,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416910528] [2025-03-04 02:45:40,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:45:40,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:46:46,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-04 02:46:47,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-04 02:46:47,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:46:47,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:46:47,833 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-03-04 02:46:47,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:46:47,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416910528] [2025-03-04 02:46:47,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416910528] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:46:47,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542819581] [2025-03-04 02:46:47,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:46:47,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:46:47,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:46:47,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:46:47,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process