./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_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_buf_eq_c_str_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 9e4ccc391c063e90fb229c8b3638d2f1089d6ba2ff288522cf06bf650b1be9e5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:32:33,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:32:33,953 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:32:33,956 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:32:33,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:32:33,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:32:33,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:32:33,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:32:33,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:32:33,980 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:32:33,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:32:33,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:32:33,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:32:33,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:32:33,981 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:32:33,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:32:33,981 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:32:33,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:32:33,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:32:33,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:32:33,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:32:33,981 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:32:33,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:32:33,981 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:32:33,982 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:32:33,982 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:32:33,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:32:33,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:32:33,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:32:33,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:32:33,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:32:33,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:32:33,982 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:32:33,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:32:33,983 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:32:33,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:32:33,983 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:32:33,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:32:33,983 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:32:33,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:32:33,983 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 -> 9e4ccc391c063e90fb229c8b3638d2f1089d6ba2ff288522cf06bf650b1be9e5 [2025-02-08 01:32:34,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:32:34,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:32:34,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:32:34,235 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:32:34,236 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:32:34,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i [2025-02-08 01:32:35,414 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/95dd73b83/acdcc48c6bdc41029edcd999a7b23698/FLAGc87821b33 [2025-02-08 01:32:35,877 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:32:35,877 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness.i [2025-02-08 01:32:35,902 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/95dd73b83/acdcc48c6bdc41029edcd999a7b23698/FLAGc87821b33 [2025-02-08 01:32:35,924 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/95dd73b83/acdcc48c6bdc41029edcd999a7b23698 [2025-02-08 01:32:35,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:32:35,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:32:35,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:32:35,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:32:35,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:32:35,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:32:35" (1/1) ... [2025-02-08 01:32:35,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718162e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:35, skipping insertion in model container [2025-02-08 01:32:35,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:32:35" (1/1) ... [2025-02-08 01:32:36,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:32:36,173 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_buf_eq_c_str_harness.i[4495,4508] [2025-02-08 01:32:36,182 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_buf_eq_c_str_harness.i[4555,4568] [2025-02-08 01:32:36,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:36,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:36,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:36,674 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:36,675 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:36,689 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:36,690 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:36,691 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:36,691 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:37,101 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:37,101 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:37,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:32:37,242 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:32:37,257 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_buf_eq_c_str_harness.i[4495,4508] [2025-02-08 01:32:37,257 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_buf_eq_c_str_harness.i[4555,4568] [2025-02-08 01:32:37,284 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:37,284 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:37,284 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:37,285 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:37,285 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:37,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:37,293 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:37,294 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:37,294 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:37,387 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-02-08 01:32:37,388 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:37,388 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:32:37,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-02-08 01:32:37,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:32:37,560 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:32:37,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:37 WrapperNode [2025-02-08 01:32:37,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:32:37,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:32:37,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:32:37,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:32:37,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:37" (1/1) ... [2025-02-08 01:32:37,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:37" (1/1) ... [2025-02-08 01:32:37,678 INFO L138 Inliner]: procedures = 680, calls = 2633, calls flagged for inlining = 64, calls inlined = 10, statements flattened = 902 [2025-02-08 01:32:37,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:32:37,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:32:37,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:32:37,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:32:37,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:37" (1/1) ... [2025-02-08 01:32:37,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:37" (1/1) ... [2025-02-08 01:32:37,695 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:37" (1/1) ... [2025-02-08 01:32:37,769 INFO L175 MemorySlicer]: Split 556 memory accesses to 6 slices as follows [2, 257, 238, 6, 40, 13]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 8, 5]. The 493 writes are split as follows [0, 257, 232, 2, 2, 0]. [2025-02-08 01:32:37,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:37" (1/1) ... [2025-02-08 01:32:37,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:37" (1/1) ... [2025-02-08 01:32:37,806 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:37" (1/1) ... [2025-02-08 01:32:37,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:37" (1/1) ... [2025-02-08 01:32:37,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:37" (1/1) ... [2025-02-08 01:32:37,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:37" (1/1) ... [2025-02-08 01:32:37,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:32:37,836 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:32:37,837 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:32:37,837 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:32:37,841 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:37" (1/1) ... [2025-02-08 01:32:37,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:32:37,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:32:37,873 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 01:32:37,878 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 01:32:37,896 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2025-02-08 01:32:37,897 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2025-02-08 01:32:37,897 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-02-08 01:32:37,897 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-02-08 01:32:37,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:32:37,897 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:32:37,897 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:32:37,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:32:37,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:32:37,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:32:37,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:32:37,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:32:37,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-02-08 01:32:37,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:32:37,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:32:37,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:32:37,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:32:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:32:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-08 01:32:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:32:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:32:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:32:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:32:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-02-08 01:32:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-02-08 01:32:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:32:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:32:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:32:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:32:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:32:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-02-08 01:32:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:32:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:32:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:32:37,900 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:32:37,900 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-02-08 01:32:37,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:32:37,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:32:37,901 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-08 01:32:37,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:32:37,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:32:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:32:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:32:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:32:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-08 01:32:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:32:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:32:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:32:37,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:32:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:32:37,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-08 01:32:38,141 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:32:38,143 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:32:38,182 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-02-08 01:32:38,220 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 01:32:38,221 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7137: havoc #t~mem603#1;call #t~mem604#1 := read~int#3(~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#3(#t~mem605#1, ~storage#1.base, 8 + ~storage#1.offset, 1);havoc #t~mem604#1;havoc #t~mem605#1; [2025-02-08 01:32:38,221 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#3(#t~ret602#1, ~storage#1.base, ~storage#1.offset, 8);havoc #t~ret602#1;call #t~mem603#1 := read~int#3(~storage#1.base, ~storage#1.offset, 8); [2025-02-08 01:32:38,256 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7799: havoc #t~mem828; [2025-02-08 01:32:38,269 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-08 01:32:38,310 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 01:32:38,322 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:32:45,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2025-02-08 01:32:45,541 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2025-02-08 01:32:45,541 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:32:45,549 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:32:45,550 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:32:45,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:32:45 BoogieIcfgContainer [2025-02-08 01:32:45,551 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:32:45,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:32:45,553 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:32:45,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:32:45,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:32:35" (1/3) ... [2025-02-08 01:32:45,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5bfe2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:32:45, skipping insertion in model container [2025-02-08 01:32:45,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:32:37" (2/3) ... [2025-02-08 01:32:45,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5bfe2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:32:45, skipping insertion in model container [2025-02-08 01:32:45,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:32:45" (3/3) ... [2025-02-08 01:32:45,558 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_c_str_harness.i [2025-02-08 01:32:45,567 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:32:45,568 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_eq_c_str_harness.i that has 11 procedures, 131 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-02-08 01:32:45,608 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:32:45,615 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;@614330b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:32:45,616 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:32:45,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 82 states have (on average 1.2682926829268293) internal successors, (104), 86 states have internal predecessors, (104), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 01:32:45,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-08 01:32:45,627 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:32:45,628 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 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] [2025-02-08 01:32:45,628 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:32:45,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:32:45,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1978612274, now seen corresponding path program 1 times [2025-02-08 01:32:45,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:32:45,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635247258] [2025-02-08 01:32:45,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:32:45,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:33:52,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 01:33:53,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 01:33:53,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:33:53,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:33:53,896 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-02-08 01:33:53,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:33:53,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635247258] [2025-02-08 01:33:53,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635247258] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:33:53,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271543242] [2025-02-08 01:33:53,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:33:53,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:33:53,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:33:53,899 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 01:33:53,904 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