./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:39:54,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:39:54,060 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:39:54,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:39:54,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:39:54,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:39:54,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:39:54,094 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:39:54,094 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:39:54,094 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:39:54,094 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:39:54,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:39:54,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:39:54,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:39:54,095 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:39:54,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:39:54,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:39:54,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:39:54,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:39:54,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:39:54,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:39:54,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:39:54,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:39:54,095 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:39:54,095 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:39:54,096 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:39:54,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:39:54,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:39:54,096 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:39:54,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:39:54,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:39:54,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:39:54,096 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:39:54,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:39:54,096 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:39:54,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:39:54,096 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:39:54,097 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:39:54,097 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:39:54,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:39:54,097 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-jdk21/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 -> 8ccdea72ddab462e9567b7f56695cddd8d47da872c9a3d4b09c71a162ef49999 [2025-02-08 01:39:54,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:39:54,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:39:54,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:39:54,304 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:39:54,304 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:39:54,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2025-02-08 01:39:55,452 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/07d03ecb7/2c315f7df9ea40e7a045d0b0355980bf/FLAGd7d8fb2e4 [2025-02-08 01:39:55,942 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:39:55,943 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i [2025-02-08 01:39:55,971 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/07d03ecb7/2c315f7df9ea40e7a045d0b0355980bf/FLAGd7d8fb2e4 [2025-02-08 01:39:56,040 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/07d03ecb7/2c315f7df9ea40e7a045d0b0355980bf [2025-02-08 01:39:56,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:39:56,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:39:56,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:39:56,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:39:56,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:39:56,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:39:56" (1/1) ... [2025-02-08 01:39:56,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d6b5ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:56, skipping insertion in model container [2025-02-08 01:39:56,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:39:56" (1/1) ... [2025-02-08 01:39:56,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:39:56,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4504,4517] [2025-02-08 01:39:56,281 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4564,4577] [2025-02-08 01:39:56,703 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:56,704 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:56,704 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:56,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:56,705 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:56,715 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:56,715 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:56,716 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:56,719 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,105 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,106 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:39:57,231 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:39:57,247 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4504,4517] [2025-02-08 01:39:57,251 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_compare_lookup_harness.i[4564,4577] [2025-02-08 01:39:57,289 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,292 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,299 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,299 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,300 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,301 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,422 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-02-08 01:39:57,423 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,433 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-02-08 01:39:57,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:39:57,637 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:39:57,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57 WrapperNode [2025-02-08 01:39:57,642 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:39:57,643 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:39:57,643 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:39:57,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:39:57,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,778 INFO L138 Inliner]: procedures = 680, calls = 2647, calls flagged for inlining = 58, calls inlined = 4, statements flattened = 835 [2025-02-08 01:39:57,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:39:57,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:39:57,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:39:57,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:39:57,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,799 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,851 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]. [2025-02-08 01:39:57,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,885 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:39:57,912 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:39:57,912 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:39:57,912 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:39:57,913 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:39:57,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:39:57,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:39:57,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:39:57,967 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-08 01:39:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-08 01:39:57,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:39:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:39:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:39:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:39:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:39:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:39:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:39:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:39:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:39:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:39:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-02-08 01:39:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:39:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:39:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:39:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:39:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:39:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:39:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:39:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-08 01:39:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_bounded [2025-02-08 01:39:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_bounded [2025-02-08 01:39:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:39:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:39:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:39:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:39:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-08 01:39:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-08 01:39:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:39:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:39:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:39:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:39:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:39:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:39:57,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:39:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-02-08 01:39:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:39:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:39:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:39:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:39:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:39:57,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:39:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:39:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:39:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:39:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:39:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:39:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:39:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:39:57,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-02-08 01:39:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:39:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:39:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:39:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:39:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:39:57,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:39:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:39:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:39:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:39:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:39:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-02-08 01:39:57,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-08 01:39:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_cursor_has_allocated_buffer_member [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_compare_lookup [2025-02-08 01:39:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_compare_lookup [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:39:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-08 01:39:58,260 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:39:58,263 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:39:58,300 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:39:58,332 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7137-1: SUMMARY for call assume_abort_if_not((if 0 == (if #t~mem603#1 % 18446744073709551616 < ~size#1 % 18446744073709551616 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:39:58,332 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7137: havoc #t~mem603#1;call #t~mem604#1 := read~int#6(~storage#1.base, ~storage#1.offset, 8);call #t~mem605#1 := read~int#4(~array#1.base, ~array#1.offset + (if #t~mem604#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then #t~mem604#1 % 18446744073709551616 % 18446744073709551616 else #t~mem604#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616), 1);call write~int#6(#t~mem605#1, ~storage#1.base, 8 + ~storage#1.offset, 1);havoc #t~mem604#1;havoc #t~mem605#1; [2025-02-08 01:39:58,332 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1;#t~ret602#1 := nondet_size_t_#res#1;havoc nondet_size_t_#t~nondet6#1;assume { :end_inline_nondet_size_t } true;call write~int#6(#t~ret602#1, ~storage#1.base, ~storage#1.offset, 8);havoc #t~ret602#1;call #t~mem603#1 := read~int#6(~storage#1.base, ~storage#1.offset, 8); [2025-02-08 01:39:58,351 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc #t~mem509; [2025-02-08 01:39:58,363 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:39:58,394 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: 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; [2025-02-08 01:40:05,243 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-02-08 01:40:05,243 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:40:05,250 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:40:05,250 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:40:05,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:40:05 BoogieIcfgContainer [2025-02-08 01:40:05,250 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:40:05,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:40:05,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:40:05,255 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:40:05,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:39:56" (1/3) ... [2025-02-08 01:40:05,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b8288f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:40:05, skipping insertion in model container [2025-02-08 01:40:05,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57" (2/3) ... [2025-02-08 01:40:05,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b8288f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:40:05, skipping insertion in model container [2025-02-08 01:40:05,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:40:05" (3/3) ... [2025-02-08 01:40:05,256 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_compare_lookup_harness.i [2025-02-08 01:40:05,265 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:40:05,267 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_compare_lookup_harness.i that has 11 procedures, 128 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:40:05,299 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:40:05,307 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;@64dc4642, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:40:05,307 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:40:05,310 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 75 states have (on average 1.2666666666666666) internal successors, (95), 77 states have internal predecessors, (95), 40 states have call successors, (40), 10 states have call predecessors, (40), 10 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-08 01:40:05,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-08 01:40:05,317 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:40:05,317 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] [2025-02-08 01:40:05,318 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:40:05,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:40:05,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1902200702, now seen corresponding path program 1 times [2025-02-08 01:40:05,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:40:05,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776288970] [2025-02-08 01:40:05,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:40:05,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:41:14,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-08 01:41:15,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-08 01:41:15,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:41:15,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:41:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-08 01:41:15,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:41:15,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776288970] [2025-02-08 01:41:15,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776288970] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:41:15,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624178665] [2025-02-08 01:41:15,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:41:15,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:41:15,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:41:15,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:41:15,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process