./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_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_eq_byte_buf_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 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:39:55,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:39:55,346 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:39:55,352 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:39:55,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:39:55,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:39:55,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:39:55,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:39:55,373 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:39:55,374 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:39:55,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:39:55,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:39:55,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:39:55,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:39:55,375 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:39:55,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:39:55,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:39:55,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:39:55,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:39:55,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:39:55,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:39:55,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:39:55,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:39:55,376 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:39:55,376 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:39:55,376 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:39:55,376 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:39:55,376 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:39:55,376 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:39:55,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:39:55,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:39:55,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:39:55,377 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:39:55,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:39:55,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:39:55,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:39:55,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:39:55,377 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:39:55,377 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:39:55,377 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:39:55,377 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 -> 67f91616a04fd34810833b3e688acc6e6795398dee40f60397ae88c5a06b9566 [2025-02-08 01:39:55,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:39:55,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:39:55,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:39:55,606 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:39:55,606 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:39:55,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2025-02-08 01:39:56,716 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9eec23787/c69317377e634f17bb672c4119424399/FLAG5af401dad [2025-02-08 01:39:57,197 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:39:57,198 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_byte_buf_harness.i [2025-02-08 01:39:57,233 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9eec23787/c69317377e634f17bb672c4119424399/FLAG5af401dad [2025-02-08 01:39:57,296 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9eec23787/c69317377e634f17bb672c4119424399 [2025-02-08 01:39:57,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:39:57,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:39:57,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:39:57,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:39:57,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:39:57,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa2e091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:57, skipping insertion in model container [2025-02-08 01:39:57,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:39:57" (1/1) ... [2025-02-08 01:39:57,380 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:39:57,538 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_eq_byte_buf_harness.i[4501,4514] [2025-02-08 01:39:57,546 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_eq_byte_buf_harness.i[4561,4574] [2025-02-08 01:39:57,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,998 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:57,999 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,000 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,010 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,378 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,378 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:39:58,516 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:39:58,531 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_eq_byte_buf_harness.i[4501,4514] [2025-02-08 01:39:58,531 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_eq_byte_buf_harness.i[4561,4574] [2025-02-08 01:39:58,566 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,567 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,567 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,567 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,567 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,575 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,575 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,578 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,578 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-02-08 01:39:58,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,664 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:39:58,673 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-02-08 01:39:58,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:39:58,846 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:39:58,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58 WrapperNode [2025-02-08 01:39:58,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:39:58,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:39:58,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:39:58,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:39:58,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,967 INFO L138 Inliner]: procedures = 680, calls = 2651, calls flagged for inlining = 65, calls inlined = 11, statements flattened = 947 [2025-02-08 01:39:58,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:39:58,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:39:58,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:39:58,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:39:58,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:58,982 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:59,053 INFO L175 MemorySlicer]: Split 572 memory accesses to 7 slices as follows [2, 257, 238, 38, 22, 9, 6]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 6, 8, 2, 5, 0]. The 494 writes are split as follows [0, 257, 232, 2, 1, 0, 2]. [2025-02-08 01:39:59,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:59,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:59,081 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:59,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:59,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:59,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:59,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:39:59,106 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:39:59,109 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:39:59,109 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:39:59,110 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (1/1) ... [2025-02-08 01:39:59,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:39:59,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:39:59,137 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 01:39:59,142 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 01:39:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:39:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:39:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-02-08 01:39:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-02-08 01:39:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:39:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:39:59,162 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:39:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:39:59,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:39:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:39:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:39:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:39:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:39:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-02-08 01:39:59,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:39:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:39:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:39:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:39:59,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:39:59,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-08 01:39:59,167 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:39:59,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:39:59,167 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:39:59,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:39:59,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:39:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:39:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-02-08 01:39:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:39:59,168 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:39:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:39:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:39:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:39:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:39:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:39:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:39:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:39:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-02-08 01:39:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2025-02-08 01:39:59,168 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2025-02-08 01:39:59,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:39:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:39:59,169 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:39:59,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-08 01:39:59,378 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:39:59,380 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:39:59,420 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:39:59,452 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 01:39:59,452 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#5(~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 01:39:59,452 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 01:39:59,473 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:39:59,490 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7727: havoc #t~nondet818; [2025-02-08 01:39:59,532 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7385: havoc #t~mem679;havoc #t~mem680;havoc #t~short681;havoc #t~mem682.base, #t~mem682.offset;havoc #t~short683;havoc #t~mem684;havoc #t~mem685;havoc #t~mem686;havoc #t~short687;havoc #t~mem688;havoc #t~mem689.base, #t~mem689.offset;havoc #t~short690;havoc #t~short691;havoc #t~short692;havoc #t~short693; [2025-02-08 01:39:59,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:39:59,583 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 01:40:06,575 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6669: havoc aws_byte_cursor_is_bounded_#t~mem509#1; [2025-02-08 01:40:06,575 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-08 01:40:06,741 INFO L? ?]: Removed 139 outVars from TransFormulas that were not future-live. [2025-02-08 01:40:06,741 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:40:06,751 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:40:06,751 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:40:06,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:40:06 BoogieIcfgContainer [2025-02-08 01:40:06,752 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:40:06,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:40:06,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:40:06,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:40:06,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:39:57" (1/3) ... [2025-02-08 01:40:06,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2dc785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:40:06, skipping insertion in model container [2025-02-08 01:40:06,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:39:58" (2/3) ... [2025-02-08 01:40:06,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2dc785 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:40:06, skipping insertion in model container [2025-02-08 01:40:06,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:40:06" (3/3) ... [2025-02-08 01:40:06,762 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_byte_buf_harness.i [2025-02-08 01:40:06,774 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:40:06,776 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_eq_byte_buf_harness.i that has 12 procedures, 154 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-02-08 01:40:06,825 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:40:06,833 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;@5c1fa872, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:40:06,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:40:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 154 states, 98 states have (on average 1.2755102040816326) internal successors, (125), 101 states have internal predecessors, (125), 41 states have call successors, (41), 11 states have call predecessors, (41), 11 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-02-08 01:40:06,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-08 01:40:06,847 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:40:06,848 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:40:06,849 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:40:06,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:40:06,853 INFO L85 PathProgramCache]: Analyzing trace with hash -166946209, now seen corresponding path program 1 times [2025-02-08 01:40:06,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:40:06,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296526748] [2025-02-08 01:40:06,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:40:06,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:41:17,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-08 01:41:17,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-08 01:41:17,505 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:41:17,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:41:18,129 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2025-02-08 01:41:18,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:41:18,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296526748] [2025-02-08 01:41:18,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296526748] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:41:18,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281047498] [2025-02-08 01:41:18,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:41:18,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:41:18,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:41:18,133 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 01:41:18,134 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