./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0d1c98d3f3f6048edf6fc6a4bde9d45bc6c20f873b6422e14aa69ea72b3ec195 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:20:24,298 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:20:24,350 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:20:24,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:20:24,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:20:24,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:20:24,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:20:24,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:20:24,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:20:24,375 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:20:24,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:20:24,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:20:24,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:20:24,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:20:24,376 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:20:24,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:20:24,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:20:24,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:20:24,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:20:24,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:20:24,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:20:24,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:20:24,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:20:24,377 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:20:24,377 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:20:24,378 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:20:24,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:20:24,378 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:20:24,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:20:24,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:20:24,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:20:24,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:20:24,379 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:20:24,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:20:24,379 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:20:24,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:20:24,379 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:20:24,379 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:20:24,379 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:20:24,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:20:24,379 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d1c98d3f3f6048edf6fc6a4bde9d45bc6c20f873b6422e14aa69ea72b3ec195 [2025-03-08 18:20:24,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:20:24,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:20:24,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:20:24,626 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:20:24,626 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:20:24,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i [2025-03-08 18:20:25,788 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e43a9732/cc45942c671b48cab91d00fea40d316f/FLAG29676e06f [2025-03-08 18:20:26,282 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:20:26,285 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i [2025-03-08 18:20:26,328 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e43a9732/cc45942c671b48cab91d00fea40d316f/FLAG29676e06f [2025-03-08 18:20:26,342 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e43a9732/cc45942c671b48cab91d00fea40d316f [2025-03-08 18:20:26,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:20:26,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:20:26,346 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:20:26,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:20:26,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:20:26,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:20:26" (1/1) ... [2025-03-08 18:20:26,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161d3f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:26, skipping insertion in model container [2025-03-08 18:20:26,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:20:26" (1/1) ... [2025-03-08 18:20:26,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:20:26,660 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i[4499,4512] [2025-03-08 18:20:26,669 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i[4559,4572] [2025-03-08 18:20:27,334 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,335 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,336 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,345 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,346 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,347 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,347 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,803 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,806 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:27,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:20:27,964 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:20:27,975 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i[4499,4512] [2025-03-08 18:20:27,978 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_array_harness_negated.i[4559,4572] [2025-03-08 18:20:28,022 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,023 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,023 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,024 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,024 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,028 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,029 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,030 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,031 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,117 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-03-08 18:20:28,119 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,119 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:20:28,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-03-08 18:20:28,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:20:28,297 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:20:28,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28 WrapperNode [2025-03-08 18:20:28,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:20:28,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:20:28,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:20:28,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:20:28,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,372 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,421 INFO L138 Inliner]: procedures = 679, calls = 2730, calls flagged for inlining = 58, calls inlined = 6, statements flattened = 791 [2025-03-08 18:20:28,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:20:28,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:20:28,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:20:28,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:20:28,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,442 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,486 INFO L175 MemorySlicer]: Split 517 memory accesses to 6 slices as follows [2, 257, 238, 13, 5, 2]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 0, 5, 0]. The 494 writes are split as follows [0, 257, 232, 4, 0, 1]. [2025-03-08 18:20:28,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,519 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:20:28,550 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:20:28,550 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:20:28,550 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:20:28,551 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (1/1) ... [2025-03-08 18:20:28,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:20:28,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:20:28,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 18:20:28,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 18:20:28,597 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2025-03-08 18:20:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2025-03-08 18:20:28,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:20:28,597 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:20:28,597 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:20:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-08 18:20:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-08 18:20:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-08 18:20:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-08 18:20:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-08 18:20:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-08 18:20:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-08 18:20:28,598 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-08 18:20:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 18:20:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 18:20:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 18:20:28,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 18:20:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 18:20:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 18:20:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:20:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:20:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 18:20:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 18:20:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 18:20:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 18:20:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 18:20:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 18:20:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:20:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:20:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:20:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:20:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:20:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-08 18:20:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-08 18:20:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:20:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2025-03-08 18:20:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:20:28,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:20:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:20:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:20:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:20:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2025-03-08 18:20:28,602 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2025-03-08 18:20:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:20:28,602 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:20:28,602 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:20:28,602 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:20:28,604 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:20:28,605 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:20:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:20:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:20:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:20:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:20:28,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:20:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:20:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-08 18:20:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-08 18:20:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-08 18:20:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-08 18:20:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-08 18:20:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-08 18:20:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:20:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:20:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:20:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:20:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:20:28,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:20:28,862 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:20:28,864 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:20:28,910 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 18:20:28,966 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6244: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2025-03-08 18:20:28,968 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-08 18:20:28,971 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:20:28,994 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-08 18:20:29,011 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:20:29,016 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913: havoc #t~ret569.base, #t~ret569.offset; [2025-03-08 18:20:29,066 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8953-1: assume false; [2025-03-08 18:20:29,066 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8953-1: assume !false; [2025-03-08 18:20:29,289 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:20:35,875 INFO L? ?]: Removed 154 outVars from TransFormulas that were not future-live. [2025-03-08 18:20:35,875 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:20:35,886 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:20:35,886 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:20:35,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:20:35 BoogieIcfgContainer [2025-03-08 18:20:35,887 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:20:35,888 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:20:35,888 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:20:35,892 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:20:35,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:20:26" (1/3) ... [2025-03-08 18:20:35,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500f85e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:20:35, skipping insertion in model container [2025-03-08 18:20:35,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:20:28" (2/3) ... [2025-03-08 18:20:35,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@500f85e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:20:35, skipping insertion in model container [2025-03-08 18:20:35,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:20:35" (3/3) ... [2025-03-08 18:20:35,895 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_array_harness_negated.i [2025-03-08 18:20:35,905 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:20:35,907 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_string_new_from_array_harness_negated.i that has 22 procedures, 158 locations, 1 initial locations, 13 loop locations, and 1 error locations. [2025-03-08 18:20:35,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:20:35,958 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;@e264dea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:20:35,959 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:20:35,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 83 states have (on average 1.1686746987951808) internal successors, (97), 83 states have internal predecessors, (97), 33 states have call successors, (33), 16 states have call predecessors, (33), 16 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-08 18:20:35,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-08 18:20:35,968 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:20:35,969 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-03-08 18:20:35,969 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:20:35,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:20:35,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1766258301, now seen corresponding path program 1 times [2025-03-08 18:20:35,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:20:35,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182214126] [2025-03-08 18:20:35,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:20:35,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:21:44,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-08 18:21:44,953 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-08 18:21:44,953 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:21:44,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:21:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-03-08 18:21:45,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:21:45,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182214126] [2025-03-08 18:21:45,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182214126] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:21:45,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377903643] [2025-03-08 18:21:45,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:21:45,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:21:45,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:21:45,625 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:21:45,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process