./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 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_string_new_from_string_harness_negated.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 f794b74895d86811f31f266061230bbe472937829675777db1e7aa35770837b1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 17:33:05,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 17:33:05,444 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-01-09 17:33:05,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 17:33:05,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 17:33:05,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 17:33:05,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 17:33:05,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 17:33:05,466 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 17:33:05,466 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 17:33:05,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 17:33:05,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 17:33:05,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 17:33:05,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 17:33:05,467 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 17:33:05,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 17:33:05,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 17:33:05,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 17:33:05,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 17:33:05,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 17:33:05,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 17:33:05,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 17:33:05,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 17:33:05,468 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 17:33:05,468 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 17:33:05,468 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 17:33:05,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:33:05,468 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:33:05,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:33:05,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:33:05,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 17:33:05,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 17:33:05,468 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 17:33:05,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 17:33:05,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:33:05,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 17:33:05,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 17:33:05,473 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 17:33:05,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 17:33:05,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 17:33:05,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 17:33:05,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 17:33:05,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 17:33:05,473 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 17:33:05,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 17:33:05,473 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 -> f794b74895d86811f31f266061230bbe472937829675777db1e7aa35770837b1 [2025-01-09 17:33:05,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 17:33:05,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 17:33:05,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 17:33:05,705 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 17:33:05,706 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 17:33:05,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i [2025-01-09 17:33:06,848 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/582a760c1/a6e9feb1d7574f3aa8ba3af1cb8736aa/FLAG3e9163c5b [2025-01-09 17:33:07,270 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 17:33:07,270 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i [2025-01-09 17:33:07,311 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/582a760c1/a6e9feb1d7574f3aa8ba3af1cb8736aa/FLAG3e9163c5b [2025-01-09 17:33:07,417 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/582a760c1/a6e9feb1d7574f3aa8ba3af1cb8736aa [2025-01-09 17:33:07,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 17:33:07,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 17:33:07,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 17:33:07,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 17:33:07,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 17:33:07,425 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:33:07" (1/1) ... [2025-01-09 17:33:07,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd5931e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:07, skipping insertion in model container [2025-01-09 17:33:07,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 05:33:07" (1/1) ... [2025-01-09 17:33:07,488 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 17:33:07,654 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_string_new_from_string_harness_negated.i[4500,4513] [2025-01-09 17:33:07,668 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_string_new_from_string_harness_negated.i[4560,4573] [2025-01-09 17:33:08,130 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,131 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,133 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,141 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,142 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,143 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:33:08,583 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 17:33:08,592 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_string_new_from_string_harness_negated.i[4500,4513] [2025-01-09 17:33:08,592 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_string_new_from_string_harness_negated.i[4560,4573] [2025-01-09 17:33:08,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,622 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,835 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-01-09 17:33:08,836 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,836 WARN L1731 CHandler]: Possible shadowing of function index [2025-01-09 17:33:08,866 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-01-09 17:33:08,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 17:33:09,066 INFO L204 MainTranslator]: Completed translation [2025-01-09 17:33:09,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:09 WrapperNode [2025-01-09 17:33:09,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 17:33:09,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 17:33:09,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 17:33:09,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 17:33:09,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:09" (1/1) ... [2025-01-09 17:33:09,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:09" (1/1) ... [2025-01-09 17:33:09,175 INFO L138 Inliner]: procedures = 679, calls = 2733, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2025-01-09 17:33:09,175 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 17:33:09,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 17:33:09,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 17:33:09,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 17:33:09,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:09" (1/1) ... [2025-01-09 17:33:09,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:09" (1/1) ... [2025-01-09 17:33:09,187 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:09" (1/1) ... [2025-01-09 17:33:09,269 INFO L175 MemorySlicer]: Split 525 memory accesses to 6 slices as follows [257, 2, 238, 21, 2, 5]. 49 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [0, 2, 6, 0, 0, 5]. The 497 writes are split as follows [257, 0, 232, 7, 1, 0]. [2025-01-09 17:33:09,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:09" (1/1) ... [2025-01-09 17:33:09,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:09" (1/1) ... [2025-01-09 17:33:09,303 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:09" (1/1) ... [2025-01-09 17:33:09,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:09" (1/1) ... [2025-01-09 17:33:09,311 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:09" (1/1) ... [2025-01-09 17:33:09,326 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:09" (1/1) ... [2025-01-09 17:33:09,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:09" (1/1) ... [2025-01-09 17:33:09,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 17:33:09,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 17:33:09,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 17:33:09,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 17:33:09,354 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:09" (1/1) ... [2025-01-09 17:33:09,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 17:33:09,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:33:09,377 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) [2025-01-09 17:33:09,383 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 [2025-01-09 17:33:09,399 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-01-09 17:33:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-01-09 17:33:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-09 17:33:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-01-09 17:33:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-01-09 17:33:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-01-09 17:33:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-01-09 17:33:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-01-09 17:33:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-01-09 17:33:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-01-09 17:33:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-01-09 17:33:09,400 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-01-09 17:33:09,400 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-01-09 17:33:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-01-09 17:33:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-01-09 17:33:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-01-09 17:33:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-01-09 17:33:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-01-09 17:33:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-01-09 17:33:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-01-09 17:33:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-01-09 17:33:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-01-09 17:33:09,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-01-09 17:33:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-01-09 17:33:09,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-01-09 17:33:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-09 17:33:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-09 17:33:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-09 17:33:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-01-09 17:33:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-01-09 17:33:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-01-09 17:33:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-01-09 17:33:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-01-09 17:33:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-01-09 17:33:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-01-09 17:33:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-01-09 17:33:09,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-01-09 17:33:09,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-01-09 17:33:09,403 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-01-09 17:33:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-01-09 17:33:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-01-09 17:33:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-01-09 17:33:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-01-09 17:33:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-01-09 17:33:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-01-09 17:33:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-09 17:33:09,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-09 17:33:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 17:33:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 17:33:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-01-09 17:33:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-01-09 17:33:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-01-09 17:33:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-01-09 17:33:09,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-01-09 17:33:09,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-01-09 17:33:09,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 17:33:09,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 17:33:09,405 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-01-09 17:33:09,405 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-01-09 17:33:09,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-01-09 17:33:09,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-01-09 17:33:09,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-01-09 17:33:09,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-01-09 17:33:09,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-01-09 17:33:09,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-01-09 17:33:09,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-01-09 17:33:09,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-01-09 17:33:09,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-01-09 17:33:09,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-01-09 17:33:09,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-01-09 17:33:09,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-01-09 17:33:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-01-09 17:33:09,407 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-01-09 17:33:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 17:33:09,407 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 17:33:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-01-09 17:33:09,407 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-01-09 17:33:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-09 17:33:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-01-09 17:33:09,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-01-09 17:33:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-01-09 17:33:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-01-09 17:33:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-01-09 17:33:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-01-09 17:33:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-01-09 17:33:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-01-09 17:33:09,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-01-09 17:33:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-01-09 17:33:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-01-09 17:33:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-01-09 17:33:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-01-09 17:33:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-01-09 17:33:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2025-01-09 17:33:09,408 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2025-01-09 17:33:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-01-09 17:33:09,408 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-01-09 17:33:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-01-09 17:33:09,408 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-01-09 17:33:09,408 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-01-09 17:33:09,409 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-01-09 17:33:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-09 17:33:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-09 17:33:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-09 17:33:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-01-09 17:33:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-01-09 17:33:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-01-09 17:33:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-01-09 17:33:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-01-09 17:33:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-01-09 17:33:09,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-01-09 17:33:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-01-09 17:33:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-01-09 17:33:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2025-01-09 17:33:09,410 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2025-01-09 17:33:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-09 17:33:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-09 17:33:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-09 17:33:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-01-09 17:33:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-01-09 17:33:09,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-01-09 17:33:09,643 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 17:33:09,644 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 17:33:10,115 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2025-01-09 17:33:10,134 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2025-01-09 17:33:10,134 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2025-01-09 17:33:16,875 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2025-01-09 17:33:16,876 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 17:33:16,887 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 17:33:16,888 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 17:33:16,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:33:16 BoogieIcfgContainer [2025-01-09 17:33:16,888 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 17:33:16,892 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 17:33:16,892 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 17:33:16,899 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 17:33:16,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 05:33:07" (1/3) ... [2025-01-09 17:33:16,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed7b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:33:16, skipping insertion in model container [2025-01-09 17:33:16,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 05:33:09" (2/3) ... [2025-01-09 17:33:16,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ed7b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 05:33:16, skipping insertion in model container [2025-01-09 17:33:16,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 05:33:16" (3/3) ... [2025-01-09 17:33:16,901 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness_negated.i [2025-01-09 17:33:16,919 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 17:33:16,921 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_new_from_string_harness_negated.i that has 22 procedures, 178 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-01-09 17:33:16,964 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 17:33:16,975 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;@115929aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 17:33:16,975 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 17:33:16,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-01-09 17:33:16,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-01-09 17:33:16,986 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 17:33:16,986 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-01-09 17:33:16,987 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 17:33:16,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 17:33:16,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1689756811, now seen corresponding path program 1 times [2025-01-09 17:33:16,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 17:33:16,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992897135] [2025-01-09 17:33:16,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:33:16,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 17:34:29,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-09 17:34:29,658 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-09 17:34:29,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 17:34:29,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 17:34:30,250 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-09 17:34:30,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 17:34:30,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992897135] [2025-01-09 17:34:30,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992897135] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 17:34:30,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743641114] [2025-01-09 17:34:30,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 17:34:30,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 17:34:30,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 17:34:30,253 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) [2025-01-09 17:34:30,257 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